Patent Description:
The dental restoration of a partially or wholly edentulous patient with artificial dentition is typically done in two stages. In the first stage, an incision is made through the gingiva to expose the underlying bone. After a series of drill bits creates an osteotomy in the bone, a dental implant is placed in the jawbone for integration. The dental implant generally includes a threaded bore to receive a retaining screw holding mating components therein. During the first stage, the gum tissue overlying the implant is sutured and heals as the osseointegration process continues.

Once the osseointegration process is complete, the second stage is initiated. Here, the gum tissue is re-opened to expose the end of the dental implant. A healing component or healing abutment is fastened to the exposed end of the dental implant to allow the gum tissue to heal therearound. Preferably, the gum tissue heals such that the aperture that remains generally approximates the size and contour of the aperture that existed around the natural tooth that is being replaced. To accomplish this, the healing abutment attached to the exposed end of the dental implant has the same general contour as the gingival portion of the natural tooth being replaced.

During the typical second stage of dental restoration, the healing abutment is removed, and an impression coping is fitted onto the exposed end of the implant. This allows an impression of the specific region of the patient's mouth to be taken so that an artificial tooth is accurately constructed. After these processes, a dental laboratory creates a prosthesis to be permanently secured to the dental implant from the impression that was made.

In addition to the more traditional system for placing dental implants described above, some systems use guided placement of the dental implants. To do so, a surgical guide is placed in the patient's mouth at the known location. The surgical guide includes openings for providing the exact placement of the drill bits used to create the osteotomy. Once the osteotomy is completed, the surgical guide may permit the dental implant to be placed through the same opening and enter the osteotomy that was guided by the surgical guide.

Surgical guides can be created by the use of a computerized tomography (CT) scan of the patient's mouth. The CT-scan provides enough detail to develop the surgical guide by use of various methods. For example, a CT-scan can provide the details of the patient's gum tissue and/or remaining teeth so that the surgical guide can be developed based on computer-aided design (CAD) and computer-aided manufacturing (CAM).

However, a need exists to develop an improved kit of components that can be incorporated into the surgical guide and that can be used in conjunction with the surgical guide. The improved set of components can be used to install the implant such that its non-rotation feature (e.g., hexagonal boss or socket) is at a correct orientation when finally installed in the patient's bone via the surgical guide. Furthermore, corresponding laboratory components that are used with the kit would be required as well to develop a temporary or final prosthesis. <CIT> discloses a dental surgery apparatus comprising a drill and a plurality of attachable sleeves. <CIT> discloses a kit for bone surgery comprising a chirurgical drill and a base frame for positioning the drill on an anatomical part of a patient. <CIT> discloses a surgical tool assembly for forming holes in bone at precise locations to controlled depths. <CIT> discloses a drill apparatus for an implant. The drill apparatus comprises: a drill bit unit for forming a hole on an alveolar bone by moving along a guide hole formed on a guide body unit which is coupled to teeth inside the mouth of a patient; and a drill bit mounting unit to which the drill bit unit is detachably coupled and which is secured by being guided by the guide body unit. <CIT> discloses a system, apparatus, device, tools, kit and method for the preparation of the jawbone and insertion of dental implants.

Although various elements, examples and aspects are defined throughout the application, the invention is as defined in the appended claims.

The present inventors have recognized, among other things, that various components of surgical guides can be improved to solve problems associated with traditional surgical guide kits. For example, master tubes are located within the surgical guide at locations according to a dental plan where dental implants will be located. The present inventors have recognized that providing an irrigation channel within the master tube that corresponds to an irrigation channel (or aperture) fabricated in the surgical guide can be beneficial during drilling to clear debris. In another embodiment, irrigation can further be improved by fabricating the surgical guide with a liner (or manifold) such that overall irrigation can be easily and effectively provided to the surgical guide during use.

The present inventors have also recognized that irrigation can be provided during drilling by providing grooved guide bodies to provide a pathway for irrigation. For example, the various grooves on the guide body can extend from a drilling portion, along the guide body to a stop surface (e.g., a flange). The stop surface also can have an opening in communication with the grooved body to facilitate the irrigation from outside the patient to the drilling portion during drilling.

The present inventors have further recognized a need for increasing the stabilization of the surgical guide. As discussed herein, based on the created dental plan, the location of the dental implants is determined, and the surgical guide is fabricated based on the patient and location of the desired implants. Because of nearby teeth, the location and angle at which the implants are inserted are important. While the fabricated guide includes the desired location and angle, any movement during use can increase error and result in damaging nearby teeth and not providing the dental implant in the desired location at the desired angle. Thus, securely fastening the surgical guide to the patient is important. The present inventors have found that including a threaded tube within the surgical guide that is configured to threadably engage with threads on threaded fixation pins can increase the stability of the surgical guide within the patients mouth and minimize lateral and horizontal movements during user.

Depending on various circumstances (e.g., of the thickness of the surgical guide along a portion of the surgical guide) during drilling, a user may need a drill that is compatible with a short prolongation master tube or a long prolongation master tube. The present inventors have recognized that having a custom drill that can be used with either prolongation would be beneficial. Thus, the present inventors have provided a custom drill that can be used with a prolongation attachment that couples to the drill in a first orientation that can be used for short prolongation and when coupled to the drill in a second orientation can be used for long prolongation. Additionally, the present inventors have provided hybrid bone taps that can be used for short and long prolongations.

Further, the present inventors have found a need for an interchangeable guide body. The guide body of the drill provides sufficient prolongation as well as matching the master tube diameters. The present inventors have provided an interchangeable guide body that can couple with a drill body. This allows for an individual drill body to be for various cases containing varied prolongations and/or varied master tube diameters as the guide body/isolatch is selected based on the particular guide body to be passed through the surgical guide or the implant to be placed.

This Overview is intended to provide non-limiting examples of the present subject matter - it is not intended to provide an exclusive or exhaustive explanation. The Detailed Description below is included to provide further information about the present apparatuses, systems and methods.

In the drawings, which are not necessarily drawn to scale, like numerals can describe similar components in different views. Like numerals having different letter suffixes can represent different instances of similar components. The drawings illustrate generally, by way of example, but not by way of limitation, various examples discussed in the present document.

The present disclosure relates to tools, systems, and method. In particular, the present invention relates to a system as defined in claim <NUM>.

It is known to replace either missing teeth or carious teeth where the progress of caries is such that the teeth cannot be fixed in another, less invasive way. Missing teeth are usually replaced by an endosseous implant (referred to herein as "dental implant" or "implant") with an artificial supra-structure. The implant can be inserted into the patient after an osteotomy is formed by drilling.

Drilling the osteotomy and implanting the dental implant were previously dependent on the skills of the individual surgeon. However, nowadays surgical guides (also referred to as "drill templates"), which are adapted to the anatomy of the individual patient serve to achieve a precise drilling of the holes and implantation of the dental implant according to a dental plan.

The dental plan for the patient may be developed by scanning the patient's mouth (or stone model of a patient's mouth) with a CT scanner (or other scanning technologies or devices) to obtain the details of the bone structure, teeth and overlying gingival tissue. When considering the dental plan for a specific patient, the location of the implant(s) relative to the surface of the gingival tissue, underlying bone, and neighboring implants and/or teeth is important. Additionally, the maximum depth of the distal end of the implant within the bone is also important, so as to avoid the sinus cavity and mandibular canal. To ensure the proper location for each implant (and the osteotomy for each implant), the scanning of the patient's mouth can be used to develop a surgical guide (e.g., by rapid prototyping and other techniques) that fits snugly onto the surface of the tissue by having a negative impression that incorporates the details of the tissue surface in the patient's mouth. By the term "tissue" in the present specification, it is understood that tissue can be hard tissue (such as bone tissue or teeth) and soft tissue (such as the gingival tissue). The remainder of the detailed description will assume that the patient is edentulous and that the surgical guide is resting on the soft tissue.

The surgical guide can be attached to the patient and is used by the surgeon to provide an optimal guiding of the drill and the dental implant thereby achieving the desired axis and dimensions of the hole as well as accurate placement of the dental implant. The drilling of the holes is important for successful implantation, since it is difficult to correct wrongly positioned bore holes. Even slight corrections, e.g. of the drill axis, further diminish jaw bone mass and are thus difficult to correct.

According to an unclaimed aspect of the present disclosure, the present inventors have recognized, among other things, that an improvement to coupling surgical guides to a patient is needed. In particular, in order to provide the most accurate drilling and implantation of the dental implant, the surgical guide needs to be securely coupled to the patient's jaw or the gum of the patient throughout the overall procedure. As discussed herein, any movement of the surgical guide between drilling and/or implanting implant(s) can cause various issues if the osteotomy and implant location are misaligned from the dental plan.

<FIG> schematically illustrates a computerized dental plan that is created by scanning the patient's mouth (or stone model of the patient's mouth). The scan reveals a virtual gingival surface <NUM> that would overlay the bone structure in the patient's mouth. To provide structural support for a bar-type denture for a prosthesis, the dental plan in <FIG> includes eight dental implants <NUM> (virtual implants in <FIG>) placed at specific locations and angles in the patient's bone. The sizes of the dental implants <NUM>, as well as their locations and angles, are chosen based on the various bone densities, underlying tissue (e.g., sinus cavity or mandibular canal), and neighboring implants and/or teeth provided by the scan or other means. These adjustments are preferably made through inputs to a computer to define the best possible dental plan for the particular patient. In the illustrated embodiment, the gingival surface <NUM> represents the gingiva overlaying the maxilla, such that the dental implants <NUM> extend upwardly toward the sinus cavity. As described herein, the end result of the dental plan is that eight dental implants <NUM> are installed in the patient's maxilla at the depths and angles defined by the dental plan. In one example, the dental implants <NUM> are then attached to a bar structure that is part of the denture-type dental prosthesis that is developed for that particular patient. One example of forming and using a surgical guide with various components is disclosed in <CIT>.

Based on the dental plan, a surgical guide <NUM> is developed, as shown in <FIG>. The surgical guide <NUM> can be produced from various materials and techniques. One preferred method is using a rapid-prototyping technique based on the scanned images within the patient's mouth. However, other known techniques can be used. The surgical guide <NUM> includes a top surface <NUM> and an under surface <NUM> (see <FIG>). The under surface <NUM> is the surface that will contact the patient's tissue and the top surface <NUM> opposes the under surface <NUM>.

As seen in <FIG>, because there is a need for eight implants <NUM> according to the dental plan, the surgical guide <NUM> includes eight openings <NUM>, each of which is defined by a master tube <NUM> that is integrated into the material of the surgical guide <NUM> with the assistance of, e.g., an outer roughened surface and adhesive. In an example, the master tubes <NUM> are located on flat surfaces <NUM> that are substantially flush with the top surface of the master tubes <NUM>. The under surface <NUM> of the surgical guide <NUM> (see <FIG>) has a contour that follows the scanned gingival surface <NUM> (<FIG>) in the patient's mouth. In other words, the under surface <NUM> of the surgical guide <NUM> is a negative impression of the gingival surface <NUM> (which can include hard or soft tissue, as described herein). The surgical guide <NUM> also includes a plurality of openings <NUM> through which fixation tubes <NUM> can be affixed. In an example, the fixation tubes <NUM> can be integrated into the material of the surgical guide <NUM> with the assistance of an outer roughened surface and adhesive.

As discussed herein, the fixation tubes <NUM> can engage with temporary fixation pins <NUM>. The temporary fixation pins <NUM> engage the bone and hold the surgical guide <NUM> in the proper location on the gingival surface <NUM> (<FIG>) so that the dental plan can be executed using the surgical guide <NUM>. As mentioned previously, the surgical guide <NUM> can also be a negative impression of the surface of adjacent teeth and bone tissue in some situations and rest against the adjacent teeth and bone tissue.

<FIG> illustrates a side-view of the fixation pin <NUM>. Fixation pin <NUM> includes a head <NUM> and an elongated shaft <NUM> extending from the head <NUM>. The head <NUM> and the elongated shaft <NUM> are coaxially arranged and have a common axis. The head <NUM> includes a proximal surface <NUM> and a bearing surface <NUM>. The bearing surface <NUM> is configured to at least partially contact the surgical guide <NUM> and/or the fixing tube <NUM>. In an example, the head <NUM> can include two flanges <NUM>, <NUM> connected by a surface <NUM> (e.g., a curved surface). In an example, a first flange <NUM>, defining the proximal surface <NUM>, can have a diameter that is greater than a diameter of a second flange <NUM> that defines the bearing surface <NUM>. In an example, the surface <NUM> can be a circumventing indentation having a concave shape that connects the two flanges <NUM>, <NUM>. In other examples, the surface <NUM> does not include a curve and can have, e.g., a tapered cross-section. In one example, the head <NUM> can include a single flange having a constant or non-constant diameter.

The elongated shaft <NUM> includes a threaded portion <NUM> configured to engage the threads of the fixation tube <NUM>. In one example, the threaded portion <NUM> is adjacent to the head <NUM>, e.g., adjacent the bearing surface <NUM>. The elongated shaft <NUM> can further include a tapered portion <NUM> extending to an apical tip <NUM>. A portion of the elongated shaft <NUM> extending between the threaded portion <NUM> and the tapered portion <NUM> can have a shape of a circular cylinder and have a diameter that is substantially constant.

<FIG> illustrates a side-view of fixation pin <NUM>'. Fixation pin <NUM>' in <FIG> is the same as the fixation pin <NUM> in <FIG>, except that fixation pin <NUM>' includes an extension <NUM>. In an example, the extension <NUM> can extend from the second flange <NUM> to a bearing surface <NUM>. The fixation pin <NUM>' including the extension <NUM> can be used in areas that lip retraction is needed. That is, the extension <NUM> can increase the distance between the bearing surface <NUM> and the proximal surface <NUM> to retract the lip of the patient while the surgical guide <NUM> (<FIG>) is being used. The fixation pins <NUM> shown in <FIG> can be used in areas that lip retraction is not needed or would impair, e.g., patient function (e.g., fully opening their mouth) or a path used for executing the dental plan (e.g., getting in the way of equipment used during the procedure).

<FIG> illustrates a perspective view of the fixation tube <NUM>. The fixation tube <NUM> has a body <NUM> that extends from a first end <NUM> to a second end <NUM>. The fixation tube <NUM> defines a bore <NUM> that includes threads <NUM>. As discussed herein, the threads <NUM> of the fixation tube <NUM> engage the threads <NUM> of the fixation tube to temporarily fixing surgical guide <NUM> in the mouth of the patient and, more precisely to the jaw of the patient.

<FIG> illustrate the fixation pins <NUM>, <NUM>' engaging the bone <NUM> and hold the surgical guide <NUM> in the proper location on the gingival surface <NUM> so that the dental plan can be executed using the surgical guide <NUM>. The fixation pins <NUM>, <NUM>' extend through the bore <NUM> of the fixation tube <NUM> through the gingival surface <NUM> and into the bone <NUM> of the patient. The fixation tube <NUM> is configured to be integrated or able to be integrated in the surgical guide <NUM>, for instance by adhesive bonding, among other methods. As discussed herein, the fixation pin <NUM>, <NUM>' can be inserted through the fixation tube <NUM> until the threads <NUM> of the fixation pin <NUM>, <NUM>' engage the threads <NUM> of the fixation tube <NUM>. Once engaged, a surgeon can rotate the fixation pin <NUM>, <NUM>' to further advance the fixation pin <NUM>, <NUM>' into the bone <NUM> and securely couple the surgical guide <NUM> to the patient's jaw.

While shown as a cylinder in <FIG>, the fixation tube <NUM> can have other profile shapes. In one example, the profile of the fixation tube <NUM> along a longitudinal axis can have a tapered shape. For example, a diameter of the first end <NUM> can be greater than a diameter of the second end <NUM> of the fixation tube <NUM>. Thus, when the rotational and longitudinal force is applied to the fixation tube <NUM>, when the threads <NUM> of the fixation pin <NUM>, <NUM>' engage the threads <NUM> of the fixation tube <NUM>, the tapered shape can assist in maintaining the position of the fixation tube <NUM> within the surgical guide <NUM>.

<FIG> illustrate additional features that can be incorporated into the fixation tube <NUM>. The fixation tube <NUM> can be incorporated into the surgical guide <NUM> similar to how the master tubes <NUM> are integrated to the surgical guide <NUM>, e.g., using adhesive bonding. To further prevent the fixation tube <NUM> from rotating within the guide, the fixation tube <NUM> can include non-rotational features, such as projections <NUM>, as seen in <FIG>. The projections <NUM> can extend along a portion of the body <NUM> of the fixation tube <NUM>. For example, the projections <NUM> can extends less than half of a total length of the fixation tube <NUM>, more than half, or the entire length of the fixation tube <NUM>.

<FIG> illustrate a cross-sectional view perpendicular to the longitudinal axis of the fixation tube <NUM> having a non-circular shape. In an example, the fixation tube <NUM> can have a polygon shape, such as a triangle as seen in <FIG> illustrates the fixation tube <NUM> having two flats <NUM>. However, one flat <NUM> or more than two flats <NUM> can be used to provide the non-circular shape of the fixation tube <NUM>.

<FIG> illustrates the fixation tube <NUM> including a roughened side surface <NUM> that allows the fixation tube <NUM> to be better attached to the material of the surgical guide <NUM>. As shown, the roughened surface <NUM> includes a spiral groove around the circumference of the main body <NUM> and axial grooves along the central axis of the main body <NUM> that intersect the spiral grooves. In other examples, the main body <NUM> can be a knurled surface, or have any other surface structure allowing it to be fixed within the material of the surgical guide <NUM>. As seen in <FIG> the fixation tube <NUM> also include a flange <NUM> located along the first end <NUM>. Any of the features discussed herein for the fixation tube <NUM> can be combined together to better attach the fixation tube <NUM> to the surgical guide <NUM>.

<FIG> illustrate exemplary components used for installing a dental implant during dental surgery in the patient's mouth in accordance with the predetermined dental plan. One component includes a master tube <NUM> that will be located within the surgical guide <NUM>, which is discussed in more detail below. The master tubes <NUM> discussed herein can be used in the surgical guide <NUM> shown in <FIG> and replace one or more master tubes <NUM>.

The surgical guide <NUM> placed over tissue in the patient's mouth. As discussed herein, the surgical guide <NUM> includes, e.g., at least one opening <NUM> through which the dental implant is placed. The master tube <NUM> can be located at the opening <NUM>. The master tube <NUM> can optionally include indicia <NUM> for alignment with a non-rotational structure on the implant such that the non-rotational structure of the implant is at a known angular orientation with respect to the master tube <NUM>. The surgical guide <NUM> can be made from one of many materials, such as polymeric materials used to create the structure via rapid prototyping. The tissue on which the surgical guide is fitted can be the bone, adjacent teeth, and/or soft tissue.

To properly locate the dental implant in the axial direction in accordance with the dental plan, a length dimension of the implant must be known. Further, a dimension of the distance from the seating surface of the implant to the bottom of the master tube <NUM>, which has a known length. Additionally, a length of an implant mount (and/or an analog mount) that will be attached to the implant and used to drive the implant into the bone in accordance to the dental plan needs to be known. The surgical guide, discussed herein, will have an axial dimension directly over each implant that is greater than the length of the master tube <NUM> but less than the length of the implant mount. This axial dimension of the surgical guide over the dental implant will be chosen to ensure that the length of the implant mount is equal to one of several known and standard lengths for the implant mount (e.g., <NUM>, <NUM>, <NUM>, <NUM>). In short, once the scan of the patient's mouth is known, the dimensions discussed herein are also considered to develop the surgical guide that will place each dental implant in accordance to the dental plan.

In some situations, the surgical guide <NUM> can be used to develop a stone model of the patient's gingival surface <NUM> since its underlying surface is a negative impression of the patient's gingival surface <NUM>. When this occurs, the surgical guide <NUM> performs two different functions-development of the stone model representing the prevailing conditions in the patient's mouth and surgical placement of the implants in the patient's mouth.

The master tubes <NUM>, <NUM>', and <NUM>" (referred to collectively as "master tubes <NUM>") shown in <FIG> have an essentially hollow cylindrical shape. The master tubes <NUM> can have a body <NUM> that extends from a first end <NUM> to a second end <NUM>. The master tubes <NUM> define a bore <NUM> that is configured for guiding a drill. The first end <NUM> can include a circumferential flange <NUM> ("flange <NUM>"). In one example, the flange <NUM> can define the indicia <NUM>, as discussed herein. In one example, the flange <NUM> can include at least one flat <NUM>. As shown in the examples, the flange <NUM> includes two diametrically opposed flats <NUM>. The flats <NUM> extend along the length of the flange <NUM>; however, the body <NUM> of the master tubes <NUM> extending from the flange <NUM> to the second end <NUM> have the cylindrical shape.

<FIG>, and <FIG> illustrate another example of a master tube <NUM>'. Master tube <NUM>' is the same as the master tube <NUM> in <FIG> except that master tube <NUM>' includes a lateral access channel <NUM>. The lateral access channel <NUM> extends through the flange <NUM> and to a termination point within the body <NUM> of the master tube <NUM>'. In one example, the laterally access channel <NUM> is defined by two side wall surfaces <NUM> and a bottom surface <NUM>. The lateral access channel <NUM> allows a drill to access the bore <NUM> laterally versus coronally. Thus, the lateral access channel <NUM> provides additional convenience by reducing the insertion height (equal to the length of the lateral access channel <NUM>) of the drill. The insertion height reduction is generally equal to the length of the lateral access channel <NUM>. That is, the length from the top surface of the flange <NUM> to the termination point within the body <NUM> of the master tube <NUM>'. Reducing the insertion height can facilitate guided surgery in cases with limited space.

Depending on the insertion height reduction needed, the lateral access channel can extend through the entire length of the master tube. <FIG> illustrate another example of a master tube <NUM>", where the lateral access channel <NUM> extends through the entire length of the master tube <NUM>". In an example, the lateral access channel <NUM> can be defined by two side wall surfaces <NUM> that are generally parallel to each other. <FIG> illustrates the surgical guide <NUM> including master tube <NUM>", where the lateral access channel <NUM> extends through the entire length of the master tube <NUM>". Thus, a user can access the bore <NUM> laterally through the lateral access channel <NUM>.

<FIG> illustrate another example of a master tube <NUM>, <NUM>' (collectively referred to as "master tubes <NUM>" or "master tube <NUM>"). The only difference between master tube <NUM> and master tube <NUM>' are the dimensions between the two. Additionally, master tubes <NUM> can include all the features of the master tubes <NUM>, <NUM>', and <NUM>" in <FIG>, except that instead of having a lateral access channel <NUM>, the master tubes <NUM> have an irrigation channel <NUM> instead. In one example, the irrigation channel <NUM> and the lateral access channel can be combined into a single mater tube.

As seen in <FIG> the irrigation channel <NUM> extends from the second end <NUM> toward a termination point within the body <NUM> of the master tube <NUM>. The irrigation channel <NUM> can have any shape. As illustrates in <FIG>, the irrigation channel <NUM> has two flat side surfaces <NUM> connected by a curved surface <NUM>. However, other configurations are possible. In one example, the irrigation channel <NUM> can be an aperture formed through a wall of the master tube <NUM>. The irrigation channel <NUM> allows a user to introduce a material (e.g., water) to provide irrigation while drilling. Referring to <FIG>, the master tube <NUM> is positioned within the surgical guide. The irrigation channel <NUM> is in fluid communication with an irrigation channel <NUM> contained within the surgical guide <NUM>. As discussed herein, the surgical guide <NUM> can be formed via rapid prototyping and can be formed including one or more irrigation channels <NUM>.

<FIG> illustrates a top-down view of a surgical guide <NUM> including one master tube <NUM> and three master tubes <NUM> having the irrigation channel <NUM>. As seen in <FIG>, the surgical guide <NUM> includes irrigations channels <NUM> that are in fluid communication with the irrigation channel <NUM> of the master tubes <NUM>. Irrigation channels <NUM> extend from the irrigation channel <NUM> to an outer surface of the surgical guide <NUM>. The surgical guide <NUM> can also include a manifold, such that the surgical guide <NUM> includes channels <NUM> that connect irrigation channels <NUM>. In that instance, an irrigation channel <NUM> of one master tube <NUM> can be in fluid communication with an irrigation channel <NUM> of another master tube <NUM> via channel <NUM>.

<FIG> are directed toward components to be used with various drills while executing the dental plan. Creating the osteotomy pursuant to the dental plan calls for a sequence of several drill bits, which have different diameters. In order to prevent drilling at the wrong angle, the drill bits need to fit with the master tube in a relatively tight fashion. In addition to having different diameters, the master tubes may be located along the surgical guide in locations having either a short prolongation or a long prolongation, as discussed herein. Thus, the present inventors have determined that there is a need to increase the simplicity and reduce the time associated with having to switch between various drills and components to account for the various depths (prolongations) and diameters to provide accurate drilling according to the dental plan.

<FIG> illustrates a dental drill system including a dental drill <NUM> and a short and long (S/L) prolongation stopper <NUM> (referred to herein as "prolongation stopper <NUM>"). The dental drill <NUM> can be combined with the prolongation stopper <NUM> in a first orientation, as shown in <FIG>, to provide for a location requiring a long prolongation and in a second orientation, as shown in <FIG>, to provide for allocation requiring a short prolongation. The dental drill <NUM> includes a shaft <NUM>, a guide body <NUM>, and a drill portion <NUM>. The shaft <NUM> is configured to couple to a tool, e.g., a drill. In an example, the guide body <NUM> extends between the shaft <NUM> and the drill portion <NUM>. The guide body <NUM> has a diameter that is substantially similar to a diameter of the bore of the master tube positioned within the surgical guide. As discussed herein, to accurately drill according to the dental plan, the angle at which the osteotomy is drilled is important. Thus, having the guide body <NUM> having a similar diameter to the master tube prevents the surgeon from drilling and an angle not consistent with the dental plan. In an example, the dental drill <NUM> includes a circumventing groove <NUM> (referred to herein as "groove <NUM>") that is configured to engage with the prolongation stopper <NUM>.

The prolongation stopper <NUM> includes a base <NUM> with flexible projections <NUM> extending from the base. As seen in <FIG>, the prolongation stopper <NUM> includes two flexible arms <NUM>. However, a single arm <NUM> or more than two flexible arms <NUM> can be used as long as the prolongation stopper can couple to the dental drill <NUM>. Each flexible arm <NUM> can include a projection <NUM> that is configured to engage with the groove <NUM> of the dental drill <NUM>. For example, as the prolongation stopper <NUM> is advanced onto the guide body <NUM>, the flexible arms <NUM> expand slightly. Once the projection <NUM> is adjacent to the groove <NUM>, the flexible arms <NUM> move toward a longitudinal axis of the dental drill <NUM> such that the projections <NUM> can be positioned within the groove <NUM>. Each flexible arm <NUM> defines a first stop surface <NUM> and the base <NUM> defines a second stop surface <NUM>. The prolongation stopper <NUM> is configured to be coupled to the dental drill <NUM> in one of two configurations. In the first configuration, as shown in <FIG>, the base <NUM> is coronal to the flexible arms <NUM>. That is, the base <NUM> is positioned closer to the shaft <NUM> of the dental drill <NUM>. In that configuration, a length "L1" between the first stop surface <NUM> and the tip of the drill portion <NUM>, is in a long prolongation. In the second configuration, as shown in <FIG>, the flexible arms <NUM> are coronal to the base <NUM>. That is, the flexible arms <NUM> are positioned closer to the shaft <NUM> of the dental drill <NUM>. In that configuration, a length "L2" between the second stop surface <NUM> and the tip of the drill portion <NUM>, is in a short prolongation. That is, the length "L2" is less than the length "L1".

During use, a surgeon can use the prolongation stopper <NUM> on various drills and can easily switch between a short prolongation to a long prolongation by simply rotating the prolongation stopper <NUM>. As the surgeon drills, the stop surface103, <NUM> that positioned closest to the drill portion <NUM> can engage a portion of the surgical guide and/or a portion of the master tube. Various prolongation stoppers <NUM> can be provided having different diameters that correspond to different guide body <NUM> diameters. Thus, only a single prolongation stopper <NUM> is needed for all dental drills having a guide body <NUM> with the same diameter.

<FIG> illustrates another dental drill system including a dental drill <NUM> and at least two prolongation stoppers <NUM>, <NUM>'. While in <FIG>, a single prolongation stopper <NUM> is used to switch between a short and long prolongation, the example in <FIG> illustrates at least two separate stoppers <NUM>, <NUM>' that can be used with a dental drill <NUM> to switch between a short and long prolongation. While only two stoppers <NUM>, <NUM>' are shown, multiple prolongations are possible.

<FIG> illustrates a dental drill system including a dental drill <NUM>, a short prolongation stopper <NUM> (referred to herein as "stopper <NUM>"), and a long prolongation stopper <NUM>' (referred to herein as "stopper <NUM>'"). The dental drill <NUM> can be combined with either of the stopper <NUM>, <NUM>' to drill with a short prolongation of a long prolongation. The dental drill <NUM> includes a shaft <NUM>, a guide body <NUM>, and a drill portion <NUM>. The shaft <NUM> is configured to couple to a tool, e.g., a drill. In an example, the dental drill <NUM> can further include a flange <NUM> between the shaft <NUM> and the guide body <NUM>. The flange <NUM> includes an engagement surface <NUM> that is configured to engage a portion of the stoppers <NUM>, <NUM>'. In an example, the guide body <NUM> extends between the flange <NUM> and the drill portion <NUM>. As discussed herein, the guide body <NUM> of the dental drill <NUM> has a diameter that is substantially similar to a diameter of the bore of the master tube positioned within the surgical guide.

<FIG> illustrates a top-down view of the dental drill <NUM>. As seen in <FIG>, the flange <NUM> includes two recesses <NUM>. While two recesses <NUM> are shown, one recess <NUM> or more than two recesses <NUM> can be used.

<FIG> illustrates the short prolongation stopper <NUM>. <FIG> illustrates the long prolongation stopper <NUM>'. The stoppers <NUM>, <NUM>' include a body <NUM> extending from a first end <NUM> to a second end <NUM>. One or more projections <NUM> extend from the first end <NUM>. The number of projections <NUM> matches the number of recesses <NUM> in the flange <NUM> of the dental drill <NUM>. A length "L2" of the stopper <NUM> from the first end <NUM> to the second end <NUM> is less than a length "L3" of the stopper <NUM>' from the first end <NUM> to the second end <NUM>.

<FIG> illustrates the stopper <NUM> coupled to the dental drill <NUM>. As seen in <FIG>, the projections <NUM> are configured to be positioned within corresponding recesses <NUM> of the dental drill <NUM>. The first end <NUM> of the stoppers <NUM>, <NUM>' is configured to engage the stop surface <NUM> of the flange <NUM>. The second end <NUM> of the stoppers <NUM>, <NUM>' act as a stop surface for a drilling depth. That is, when used with the dental drill <NUM>, the second end <NUM> will contact a portion of the surgical guide and/or a portion of the master tube to limit the drilling depth. As discussed herein, while two stoppers <NUM>, <NUM>' are shown, any number or stoppers can be provided having varied lengths. The stoppers <NUM>, <NUM>' do not enter the master tube and serve to provide a drill stop. As shown, the diameter of the guide body <NUM> substantially matches the diameter of the master tube such that drilling can occur according to the dental plan.

While the examples shown in <FIG> illustrate a drill <NUM> that has a guide body <NUM> that substantially matches the diameter of the master tube, not all drills have a corresponding guide body. In such instances, detachable guide bodies that are sized for the necessary prolongation can be provided. 25A - 28A illustrate stoppers <NUM>, <NUM>' that engage the master tube, the examples shown in <FIG> illustrate a dental drill system including a dental drill <NUM>, a short prolongation guide body <NUM>, and a long prolongation guide body <NUM>'.

<FIG> illustrates a dental drill <NUM> that can be combined with either of the guide bodies <NUM>, <NUM>'. The dental drill <NUM> includes a shaft <NUM>, an elongated drill portion <NUM>, and a flange positioned between the shaft <NUM> and the elongated drill portion <NUM>. The shaft <NUM> is configured to couple to a tool, e.g., a drill. As seen in <FIG>, the flange <NUM> includes an engagement surface <NUM> that is configured to engage a portion of the guide bodies <NUM>, <NUM>'. As discussed herein, during drilling, it is important that the drill extends through the master tube according to the dental plan. Since the dental drill <NUM> doesn't include a guide body having a diameter that matches the diameter of the master tube, the guide bodies <NUM>, <NUM>' can be attached to the drill <NUM> such that the guide bodies <NUM>, <NUM>' have a diameter that substantially matches diameter of the master tube.

<FIG> illustrates the short prolongation guide body <NUM>. <FIG> illustrates the long prolongation guide body <NUM>'. The only difference between the guide body <NUM> and the guide body <NUM>' is the length of the body portion <NUM>. The guide bodies <NUM>, <NUM>' include a body <NUM> extending from a first end <NUM> to a second end <NUM>. The first end <NUM> includes a flange <NUM> having a top surface <NUM> and a bottom surface <NUM>. One or more projections <NUM> extend from the top surface <NUM> of the flange <NUM>. The number of projections <NUM> matches the number of recesses <NUM> in the flange <NUM> of the dental drill <NUM>. In an example, the thickness of the flange <NUM> of both guide bodies <NUM>, <NUM>' are equal. A length "L4" of the short prolongation guide body <NUM> from the bottom surface <NUM> to an apical surface <NUM> is less than a length "L5" of the guide body <NUM>' from the bottom surfaced <NUM> to the second end <NUM>.

<FIG> illustrates the guide body <NUM> coupled to the dental drill <NUM>. As seen in <FIG>, the projections <NUM> are configured to be positioned within corresponding recesses <NUM> of the dental drill <NUM>.

The top surface <NUM> of the guide bodies <NUM>, <NUM>' are configured to engage the engagement surface <NUM> of the flange <NUM>. The second end <NUM> of the guide bodies <NUM>, <NUM>' is configured to extend through the master tube. That is, when used with the dental drill <NUM>, the second end <NUM> will extend through a portion of the master tube. The bottom surface <NUM> of the flange <NUM> acts as a stop surface. That is, the bottom surface <NUM> will contact at least one of a portion of the surgical guide and a portion of a master tube to limited the drilling depth. As discussed herein, while two guide bodies <NUM>, <NUM>' are shown, any number or guide bodies can be provided having varied lengths. The guide bodies <NUM>, <NUM>' enter the master tubes. The diameter of the body portion <NUM> of the guide bodies <NUM>, <NUM>' substantially matches the diameter of the master tube such that drilling can occur according to the dental plant.

<FIG> illustrate prolongation stoppers <NUM>, <NUM>' positioned over guide bodies <NUM>. <FIG> illustrate a dental drill system including a dental drill <NUM>, <NUM>' and a prolongation stopper <NUM>, <NUM>'. The dental drill <NUM>, <NUM>' can be combined with either of the stoppers <NUM>, <NUM>' to drill with a short prolongation or a long prolongation. For example, the prolongation stoppers <NUM>, <NUM>' can come in multiple lengths and can be coupled to the dental drill <NUM>, <NUM>' via flexible fingers.

The example shown in <FIG> illustrates a prolongation stopper <NUM> that provides attachment via the flexible fingers <NUM>, <NUM>, as well as providing anti-rotation properties.

The dental drill <NUM> includes a shaft <NUM>, a guide body <NUM>, and a drill portion <NUM>. The shaft <NUM> is configured to couple to a tool, e.g., a drill. In an example, the dental drill <NUM> can further include a flange <NUM> between the shaft <NUM> and the guide body <NUM>.

The flange <NUM> includes an engagement surface <NUM> that is configured to engage a portion of the stoppers <NUM>. As discussed herein, the guide body <NUM> of the dental drill <NUM> has a diameter that is substantially similar to a diameter of the bore of the master tube positioned within the surgical guide.

<FIG> illustrates the prolongation stopper <NUM> and <FIG> illustrates the stopper <NUM> coupled to the dental drill <NUM>. The stopper <NUM> includes a base <NUM> defining a stop surface <NUM>, at least one flexible arm <NUM> extending from the base <NUM>, and at least one elongated flexible arm <NUM> extending form the base <NUM>.

The stopper <NUM> includes at least one flexible arm <NUM> that defines a contact surface <NUM> that is configured to contact the engagement surface <NUM> of the dental drill <NUM> when the prolongation stopper <NUM> is attached to the dental drill <NUM>. The at least one elongated flexible arm <NUM> has a length that is greater than a length of the elongated flexible arm <NUM>. The elongated flexible arm <NUM> is configured to extend within the recess <NUM> and provide anti-rotation properties between the dental drill <NUM> and the stopper <NUM>. The stopper <NUM> can further include a colored band <NUM> that can indicate to a user the prolongation (e.g., whether short or long). As the surgeon attaches the stopper <NUM> to the dental drill <NUM>, the diameter of an opening of the stopper <NUM> along the flexible arms <NUM>, <NUM> is less than the diameter of the guide body <NUM>. Thus, as a user attaches the stopper <NUM> to the guide body <NUM>, the flexible arms <NUM> can provide a force to the guide body <NUM> to secure the stopper <NUM>' to the guide body <NUM>.

During use, as the surgeon is drilling into a patient, the stop surface <NUM> can contact at least one of a portion of the surgical guide and a portion of the master tube. While shown including four (<NUM>) flexible arms <NUM> and two (<NUM>) elongated flexible arms <NUM>, any number can be used such that the stopper <NUM> can engage the guide body <NUM> while also providing anti-rotation with the at least one elongated flexible arm <NUM>.

The example shown in <FIG> illustrates a prolongation stopper <NUM>' that provides attachment via the flexible fingers <NUM>. As shown in <FIG>, six (<NUM>) flexible arms <NUM> are provided; however, two (<NUM>) flexible arms <NUM> to more than six (<NUM>) flexible arms <NUM> can be used.

The dental drill <NUM>' includes a shaft <NUM>, a guide body <NUM>, and a drill portion <NUM>. The shaft <NUM> is configured to couple to a tool, e.g., a drill. In an example, the dental drill <NUM>' can further include a flange <NUM> between the shaft <NUM> and the guide body <NUM>. As compared to the dental drill <NUM> in <FIG>, the drill <NUM>' includes an irrigation channel <NUM> extending from the flange <NUM> to a bottom surface <NUM> of the guide body <NUM>. The flange <NUM> includes an engagement surface <NUM> that is configured to engage a portion of the stopper <NUM>'. As discussed herein, the guide body <NUM> of the dental drill <NUM> has a diameter that is substantially similar to a diameter of the bore of the master tube positioned within the surgical guide.

<FIG> illustrates a top-down view of the dental drill <NUM>'. As seen in <FIG>, the flange <NUM> includes four recesses <NUM>. Each recess <NUM> is configured to be in fluid communication with a irrigation channel <NUM>. While four (<NUM>) recesses <NUM> are shown, one recess <NUM> in communication with one irrigation channel <NUM> can be used to more than four (<NUM>) recesses <NUM> in communication with more than four irrigation channels <NUM>.

<FIG> illustrates the prolongation stopper <NUM>' and <FIG> illustrates the stopper <NUM>' coupled to the dental drill <NUM>'. The stopper <NUM>' includes a base <NUM> defining a stop surface <NUM> and the flexible arms <NUM> extending from the base <NUM>.

The flexible arms <NUM> define a contact surface <NUM> that is configured to contact the engagement surface <NUM> of the dental drill <NUM> when the prolongation stopper <NUM> is attached to the dental drill <NUM>. The stopper <NUM>' can further include a colored band <NUM> that can indicate to a user the prolongation (e.g., whether short or long). As the surgeon attaches the stopper <NUM>' to the dental drill <NUM>', the diameter of an opening of the stopper <NUM>' along the flexible arms <NUM> is less than the diameter of the guide body <NUM>. Thus, as a user attaches the stopper <NUM>' to the guide body <NUM> the flexible arms <NUM> can provide a force to the guide body <NUM> to secure the stopper <NUM>' to the guide body <NUM>. During use, as the surgeon is drilling into a patient, the stop surface <NUM> can contact at least one of a portion of the surgical guide and a portion of the master tube.

As discussed herein, the protocol for following the dental plan can require the use of many different drills having different diameters. Having a relatively tight fight between the drill and the master tube is necessary such that the drilling can be done according to the dental plan. The present application provides spoonless drilling systems such that a user can easily provide the proper diameter within a master tube for each drill having varying diameters.

<FIG> illustrates a master tubes <NUM> that include a magnetized drill flange <NUM> for centering a drill. The magnetized drill flange <NUM> can easily be replaced such that the center hole <NUM> of the magnetized drill flange <NUM> corresponds to the current drill being used. During a procedure, multiple drills having different diameters may be used and the magnetized drill flange <NUM> can easily be removed and replaced, as needed, during a procedure. As seen in <FIG>, additional magnetized drill flanges <NUM>', <NUM>", and <NUM>‴ having different center hole <NUM>', <NUM>", and <NUM>‴ diameters can be provided. The magnetized drill flanges <NUM>', <NUM>", and <NUM>‴ can be magnetically coupled to the master tube <NUM> positioned within a surgical guide.

<FIG> illustrate another spoonless drilling system including prolongation stoppers 196A-C that can be coupled to a dental drill <NUM>. The drill <NUM> can include a shaft <NUM>, a drill portion <NUM> and a flange <NUM> positioned between the shaft <NUM> and the drill portion <NUM>. The flange <NUM> can include features configured to couple with the prolongation stoppers 196A-C. In one example, the flange <NUM> can include a lip <NUM> and a recess <NUM> and one or more projections <NUM>.

As seen in <FIG>, the prolongation stoppers 196A-C (collectively referred to herein as stoppers <NUM>) can include a body <NUM> extending from a flange <NUM> at a first end <NUM> to a second end <NUM>. The stoppers <NUM> can define an opening <NUM>. The flange <NUM> can include at least one recess <NUM> and a projection <NUM> extending from a top surface <NUM> of the flange <NUM>. The difference between stoppers 196A-C is the thickness of the flange <NUM>. Flange <NUM> of stopper 196A has a length that is less than the length of the flange <NUM> of stopper 196B and the length of the flange <NUM> of stopper 196C. Additionally, the length of the flange <NUM> of stopper 196C is greater than the length of the flange <NUM> of the stopper 196A and the length of the flange <NUM> of stopper 196B. Thus, the prolongation stoppers 196A-C includes a flange <NUM> that has a longitudinal length that can increase or decrease depending on which stopper 196A-C is used.

<FIG> illustrates stopper 196B coupled to the dental drill <NUM> and <FIG> illustrates the dental drill <NUM> and stopper 196B in <FIG> extending through a master tube <NUM>. When the drill <NUM> and the stopper 196B are coupled, the recess <NUM> of the flange <NUM> can receive the projection <NUM> and the projections <NUM> of the flange can be positioned within the recesses <NUM>. Further, a top surface <NUM> of the flange <NUM> can contact an undersurface of the flange <NUM>. When inserted through the master tube <NUM>, a user can drill into a patient until a stop surface <NUM> of the flange <NUM> contacts at least one of a portion of the surgical guide and at least a portion of the master tube <NUM>. A diameter of the body <NUM> substantially matches the diameter of the master tube <NUM> such that the angle of drilling matches the dental plant. The stoppers 196A-C vary the distance between the flange <NUM> of the drill <NUM> and a top surface of the master tube <NUM>; thereby controlling the drilling depth.

In another unclaimed aspect of the present disclosure, the inventors have realized that improved irrigation during drilling can be beneficiation. The present disclosure provides various examples of grooved guide bodies that provide a pathway for irrigation during use. Thus, during use, a user can introduce irrigation through the flange or the guide body and the irrigation medium can travel along a pathway and to the drill portion. The irrigation can be applied directly into the pathway to irrigate the surgical site during use.

<FIG> illustrates a standard drill <NUM> (without the irrigation pathway) including a shaft <NUM>, a guide body <NUM>, a drill portion <NUM>, and a flange <NUM>. <FIG> illustrates the drill <NUM>', which is the same as drill <NUM> in <FIG>, but drill <NUM>' includes an irrigation channel <NUM> extending through the flange <NUM> to a bottom surface <NUM> of the guide body <NUM>. The top surface <NUM> of the flange <NUM> is in fluid communication with the bottom surface <NUM> of the guide body <NUM> and thus the drill portion <NUM>. As shown in <FIG>, the irrigation channel <NUM> can be a single thread. However, other configurations are possible. For example, a single thread having a narrow pitch, a single thread having a wide pitch, a double thread having a narrow pitch, a double thread having a wide pitch, a straight helix (no groove), a shall thread (with full groove), and a deep thread (full groove) are just some examples.

<FIG> illustrate various irrigations drills in accordance with various examples of the present disclosure.

<FIG> illustrate drill <NUM> that includes a shaft <NUM>, a guide body <NUM>, a drill portion <NUM>, and a flange <NUM> having a top surface <NUM> and a bottom surface <NUM>. The flange <NUM> includes at least one opening <NUM> extending through the flange <NUM>. As seen in the figures, the opening <NUM> extends through the length of the flange <NUM> but does not extend to an external side surface of the flange <NUM>. In other examples, the opening <NUM> can extend through the length as well as to the external side surface of the flange. The opening <NUM> is in fluid communication with an irrigation channel <NUM> extending along a portion of the guide body <NUM>. In the example shown, the irrigation channel <NUM> terminates along the guide body <NUM>. In one example, the guide body <NUM> could extend through the guide body <NUM>. In an example, the number of openings <NUM> matches the number of irrigation channels <NUM> such that each opening <NUM> is in fluid communication with a corresponding irrigation channel <NUM>.

<FIG> illustrate drill <NUM> that includes a shaft <NUM>, a guide body <NUM>, a drill portion <NUM>, and a flange <NUM> having a top surface <NUM> and a bottom surface <NUM>. The flange <NUM> includes at least one opening <NUM> extending through the length of the flange <NUM>. The opening <NUM> is in fluid communication with an irrigation channel <NUM> extending along a portion of the guide body <NUM>. The irrigation channel <NUM> is an internal channel formed within the guide body <NUM>. In the example shown, the irrigation channel <NUM> extends the entire length of the guide body <NUM> to the bottom surface <NUM> of the guide body <NUM>.

<FIG> illustrates drill <NUM> that includes a shaft <NUM>, a guide body <NUM>, a drill portion <NUM>, and a flange <NUM> having a top surface <NUM> and a bottom surface <NUM>. Drill <NUM> includes an irrigation channels <NUM> that extend from a portion along the guide body <NUM> to the bottom surface <NUM> of the guide body <NUM>. As shown the irrigation channels <NUM> are longitudinal grooves located along the guide body <NUM>. The number, location, and shape of the grooves can vary.

<FIG> illustrate drill <NUM>' that is also shown in <FIG>. The drill <NUM>' that includes a shaft <NUM>, a guide body <NUM>, a drill portion <NUM>, and a flange <NUM> having a top surface <NUM> and a bottom surface <NUM>. The flange <NUM> includes openings <NUM> that extend through the length of the flange <NUM> and to an external side surface. Each opening <NUM> is in fluid communication with a corresponding irrigation channel <NUM>. The irrigation channel <NUM> extends from the flange <NUM> to the bottom surface <NUM> of the guide body <NUM>.

<FIG> illustrate drill <NUM>. The drill <NUM> is similar to drill <NUM>' in <FIG> except that the openings <NUM> within the flange <NUM> extend through the length of the flange <NUM> but do not extend to the external side surface of the flange <NUM>. As seen in <FIG>, the drill <NUM> includes a shaft <NUM>, a guide body <NUM>, a drill portion <NUM>, and the flange <NUM> having a top surface <NUM> and a bottom surface <NUM>. The flange <NUM> includes openings <NUM> that extend through the length of the flange <NUM> but not the external side surface. Each opening <NUM> is in fluid communication with a corresponding irrigation channel <NUM>. The irrigation channel 315extends from the flange <NUM> to the bottom surface <NUM> of the guide body <NUM>.

<FIG> illustrate drill <NUM>. As seen in <FIG>, the drill <NUM> includes a shaft <NUM>, a guide body <NUM>, a drill portion <NUM>, and a flange <NUM> having a top surface <NUM> and a bottom surface <NUM>. The flange <NUM> includes openings <NUM> that extend through the length of the flange <NUM> but not the external side surface. Additionally, the openings <NUM> are in fluid communication with an internal irrigation channel <NUM> that extends from the openings <NUM> in the flange to an opening <NUM> defined by the guide body <NUM>. The opening <NUM> is positioned between the flange <NUM> and the bottom surface <NUM> of the guide body <NUM>. Each opening <NUM> is in fluid communication with a corresponding irrigation channel <NUM>. The irrigation channel 315extends from the flange <NUM> to the bottom surface <NUM> of the guide body <NUM>.

<FIG> illustrate an implant mounting block <NUM> and insert <NUM>. When dental implants are opened during a surgical procedure, it is beneficial to minimize handling for contamination purposes. Thus, the present inventors have determined that a mounting block <NUM> and insert <NUM> that can accommodate various dental implant sizes can be beneficial. The mounting block includes a body <NUM> defining counter bore <NUM>, <NUM>, and implant packaging holding slots <NUM>, <NUM>. The insert <NUM> can include an elongated portion <NUM> and a flange <NUM>. The insert <NUM> can include an opening <NUM> extending through the insert <NUM> as well as a side wall bore <NUM> that is in fluid communication with the opening <NUM>. The elongated portion <NUM> can extend through openings <NUM> in the counterbores <NUM>, <NUM> until the flange <NUM> is positioned within the counter bores <NUM>, <NUM>. The shapes of the counter bores <NUM>, <NUM> and the flange <NUM> is such that they are rotationally locked.

A user can open the dental implant package and insert the package within the slots <NUM>, <NUM>. The user can then engage the dental implant along a non-rotational portion and insert the implant into the opening <NUM> of the insert that is positioned within the mounting block <NUM>. In an example, the opening <NUM> includes features to prevent the dental implant form rotating within the opening <NUM>. For example, the opening <NUM> can include a non-rotational feature that can cooperate with a portion of the dental implant. Various inserts <NUM> can be provided as a kit such that the various inserts <NUM> have various lengths of the elongated portion <NUM> and diameters of the opening <NUM> such that the inserts <NUM> can be used with various dental implants. The dental implant can be held within the insert until it is time to insert the dental implant, at which time the surgeon can couple an implant mount to the dental implant.

<FIG> illustrate a hybrid bone tap configured for short and long prolongations. The hybrid bone tap includes a bottom portion <NUM> (the bone tap), a short prolongation portion <NUM>, and a long prolongation portion <NUM>'. The prolongation portions <NUM>, <NUM>' are reversibly coupled to the bottom portion <NUM> and can come in a variety of lengths. Thus, a user can interchange the prolongation portions <NUM>, <NUM>' with one that has a desired prolongation for the particular application. As seen in <FIG>, the prolongation portions <NUM>, <NUM>' includes a flange <NUM> including a stop surface <NUM> that is configured to engage with a portion of the surgical guide and/or a portion of the master tube to limit the depth of the bone tap. A non-rotational feature <NUM> extends from as first side of the flange <NUM> and a engagement section <NUM> extends from a second side of the flange <NUM>. The engagement section <NUM> includes a body section <NUM> and a projection <NUM> extending from a bottom surface <NUM> of the body section <NUM>. The length L6 of the body section <NUM> of portion <NUM> is less than the length "L7" of the body section <NUM> of portion <NUM>'. The prolongation portions <NUM>, <NUM>' include a bore <NUM> extending through the entire prolongation portions <NUM>, <NUM>'. The bore <NUM> can define a shoulder <NUM> and is configured to engage with a surface <NUM> of a head <NUM> of a screw <NUM>. The screw <NUM> is configured to extend through the prolongation portion <NUM>, <NUM>' and couple with the bottom portion <NUM>. The screw <NUM> can include the head <NUM>, a shaft <NUM>, and a threaded section <NUM>. The threaded section <NUM> is configured to engage threads <NUM> of the bottom portion <NUM> (see <FIG>).

<FIG> illustrates the bottom portion <NUM>. The bottom portion <NUM> extends from a first end <NUM> to a second end <NUM>. The bottom portion <NUM> includes a bone tap portion <NUM> and an engagement section <NUM>. The engagement section <NUM> includes a surface <NUM> and two projections <NUM> extending from the surface <NUM>. The surface <NUM> and the two projections <NUM> define an opening <NUM> that is configured to receive the projection <NUM>. The bottom portion <NUM> includes a threaded bore <NUM> that is configured to receive and engage with the threads <NUM> of the screw <NUM>. <FIG> illustrate the prolongation portion <NUM> coupled to the bottom portion <NUM>. During coupling, the portion <NUM> is engaged with the bottom portion <NUM> as the projection <NUM> is inserted into the opening <NUM>. A surface <NUM> of the projection <NUM> forms part of an external surface of the hybrid bone tap when coupled to the bottom portion <NUM>. Further, the engagement of the opening <NUM> and the projection <NUM> rotationally lock the prolongation portion <NUM> to the bottom portion <NUM>. When coupled, surface <NUM> of the engagement section <NUM> contacts the first end <NUM> of the bottom portion <NUM>.

<FIG> illustrate a drill such as a drill bit. The drill bit is a two-piece drilling system that includes a drill body component <NUM> configured to be coupled with various guide body components such as guide body components <NUM>, <NUM>', <NUM>", and <NUM>‴ (collectively referred to as "guide body components <NUM>). The guide body components <NUM> are configured to be coupled to the drill body component <NUM>. The examples shown illustrate an isolatch connection, however, other methods for securely coupling the drill body component <NUM> to the guide body components <NUM> are contemplated. This system allows for an individual drill (drill body component <NUM>) to be used in cases containing varied prolongations or varied master tube diameters as the guide body is selected based on the particular guide body to be passed through the master tubes positioned within a surgical guide or on the implant to be placed. <FIG> illustrate the drill body component <NUM> being coupled to two different guide body components <NUM>, <NUM>' having different prolongations. Guide body component <NUM>' has a longer prolongation as compared to guide body <NUM>. <FIG> illustrate the drill body component <NUM> being coupled to two different guide body components <NUM>", <NUM>‴ having different diameters to be used with different sized master tubes.

<FIG> illustrate the drill body component <NUM>. The drill body component <NUM> can include a shaft <NUM> having an engagement end <NUM>, a flange <NUM>, and a drill portion <NUM>. The flange <NUM> includes a top surface <NUM>. As discussed herein, the engagement end <NUM> is configured to couple with the guide body component <NUM>. The engagement end <NUM> can be configured as a latch and can include a projection <NUM> extending from the shaft <NUM>. The projection <NUM> can include a head <NUM> and define a groove <NUM> between the shaft <NUM> and a head <NUM>. In an example, the head <NUM> can have a tapered surface <NUM> and define a shoulder <NUM>. The head <NUM> further includes a flat <NUM> extending along the head <NUM> and along a portion of the shaft <NUM>. A stop surface <NUM> along the shaft <NUM> can be defined by the flat <NUM> and the shaft <NUM>.

The guide body component <NUM> is formed by coupling an engagement portion <NUM> (see <FIG>) with a guide body portion <NUM> (see <FIG>). The engagement portion <NUM> includes a shaft <NUM> extending between a tool end <NUM> and connection end <NUM>. The tool end <NUM> can include a connection that can couple with a tool (e.g., a drill). The connection end <NUM> includes a guide body connection <NUM> and a drill connection <NUM>. In one example, the guide body connection <NUM> includes threads <NUM> that are configured to engage with a threaded portion <NUM> on the guide body portion <NUM> (see <FIG>). The drill connection <NUM> includes two flexible fingers <NUM> and a projection <NUM> including a flat <NUM>. The projection <NUM> (and flat <NUM>) extends from the shaft <NUM> to a stop surface <NUM>. As discussed herein, the projection <NUM> can engage with the engagement end <NUM> of the drill body component <NUM> to rotationally lock the guide body component <NUM> to the drill body component <NUM>.

In one example, the projection <NUM> can have a longer length than the flexible fingers <NUM>. The flexible fingers <NUM> include a tip <NUM> having a tapered surface <NUM> that defines a shoulder <NUM>. The flexible fingers <NUM> can also include a seating surface <NUM> that can have a corresponding surface to mate with the tapered surface <NUM> of the head <NUM>.

The guide body connection <NUM> is configured to couple with the guide body portion <NUM>. Referring to <FIG>, the guide body portion <NUM> extends from a first end <NUM> to a second end <NUM>. The guide body portion <NUM> includes a guide body <NUM> that extends from a flange <NUM> to the second end <NUM>. As discussed herein, the guide body <NUM> is configured to be inserted through a master tube such that the dental implant can be implanted at a correct angle according to the dental plan. The flange <NUM> defines a stop surface <NUM> that acts as a stop when the user is drilling and the stop surface <NUM> contacts the surgical guide and/or the master tube. When coupled together, the second end <NUM> of the guide body portion <NUM> can contact the the stop surface <NUM> of the drill body component <NUM>.

The guide body portion <NUM> includes a bore <NUM> including a threaded portion <NUM> and an expansion chamber <NUM>. In an example, the bore <NUM> further includes a shoulder <NUM>. <FIG> illustrates the guide body portion <NUM> coupled to the engagement portion <NUM>. In an example, the threads <NUM> on the engagement portion <NUM> can couple with the threaded section <NUM> of the guide body portion <NUM>.

<FIG> illustrate the drill body component <NUM> coupled to the guide body component <NUM>. The drill body component <NUM> can be inserted into the bore <NUM> of the guide body portion <NUM>. For example, the engagement end <NUM> can be inserted into the bore <NUM> of the guide body portion <NUM> and between the flexible fingers <NUM> and the projection.

In an example, as the head <NUM> engages the flexible fingers <NUM>, the flexible fingers <NUM> flex outward to an expanded state. The flexible fingers <NUM> can flex into the expansion chamber <NUM> to allow enough space for the head <NUM> to pass. Once the head <NUM> passes the tip <NUM>, the flexible fingers <NUM> can transition from the expanded state to a less expanded state or a non-expanded state. In an example, as the flexible fingers <NUM> transition to the less expanded or non-expanded state, by moving back toward the drill body component <NUM>, a portion of the tip <NUM> can be positioned within the groove <NUM>. The shoulder <NUM> of the head <NUM> can engage the shoulder <NUM> defined by the tip <NUM>. In one example, the tapered surface <NUM> of the tip <NUM> can have a surface that, when the tapered surface <NUM> of the head <NUM> engages the tip <NUM>, the flexible fingers <NUM> are encouraged to flex outward. That is, the surface <NUM> that can be tapered, curved, among others, cooperate with the head <NUM> to allow the flexible fingers <NUM> to flex outward. The two surfaces can cooperate to encourage the flexible fingers <NUM> to flex outward when the tapered surface <NUM> of the head <NUM> engages the tapered surface <NUM> of the tip <NUM>. Once coupled, the seating surface <NUM> of the flexible fingers <NUM> can mate with the surface <NUM> of the head <NUM>. As seen in the figures, the seating surface <NUM> and the surface <NUM> of the head have substantially matching tapers. By have the seating surface <NUM> correspond to the surface <NUM> of the head can increase the stability of the connection between the drill body component <NUM> and the guide body component <NUM>.

The projection <NUM> is configured to engage the flat <NUM> and the stop surface <NUM> of the drill body component <NUM>. For example, the flat <NUM> of the projection <NUM> can engage the <NUM> along the projection <NUM> and the stop surface <NUM> of the projection <NUM> can engage the stop surface <NUM> of the drill body component <NUM>. extending along the drill body component <NUM>.

Once coupled, the tool end <NUM> of the guide body component <NUM> can be coupled to a tool (e.g., a drill) and the user can begin to drill through a master tube. As discussed herein, the drill can be inserted into the patient until a stop surface <NUM> of the flange <NUM> engages a portion of the surgical guide and/or a portion of the master tube. During the procedure, if a different drill and/or a different prolongation or drill bushing is needed, the use can pull the drill body component from the guide body component <NUM>. The force applied along a longitudinal axis needs to be enough such that the shoulder <NUM> applies enough force to the flexible fingers <NUM> to encourage the flexible fingers <NUM> to flex outwardly into the expansion chamber <NUM> so that the drill body component <NUM> can be removed from the guide body component <NUM>.

<FIG> provide for a drill or drill system including the drill body component coupled with the guide body components. As discussed herein, the system allows for various guide body components (having various prolongations and diameters) to be coupled with various drill body components (having various types of drills). Thus, the drill system can include a plurality of guide body components and a plurality of drill body components. The plurality of guide body components can have different combinations of prolongations and diameters (that will mate with master tubers in a surgical guide). The plurality of drill body components can include a variety of different drills that are used in a dental plan protocol.

The various components discussed herein can be provided as a kit. For example, there are components used incorporate into the surgical guide including, but not limited to, the fixation pin, the fixation tube, and the master tubes. The additional components can be used to execute the dental plant. For example, the various drills and components to be used with drills such as components to provide stops, drilling bushings, and prolongations can be used interchangeable.

It should be noted that while the surgical guide has been described as being developed through a dental scan (e.g., CT scan) of the patient's mouth, the surgical guide can be developed by other common techniques involving the use of impression material within the patient's mouth and/or stone models created by the impression material, which is often referred to as model-based surgery.

Further, while the present invention has been described relative to the use of a dental plan to create a denture-type prosthetic device, the present invention is also useful for developing and installing one or more single tooth prosthetic devices, or one or more multi-tooth prosthetic devices in a patient. In other words, the surgical guide may be smaller such that it only covers a limited portion of the dental arch.

Also, it should be noted that the surgical guide can be used directly in the surgical stage without being used to create a prosthesis via the stone model. In other words, the surgical guide can be developed via the scan of the patient's mouth in accordance to a dental plan. Once the surgical guide is placed in the patient's mouth, the implants can be installed in the bone at the locations corresponding to the dental plan with the drills and the components described herein.

While particular embodiments and applications of the present invention have been illustrated and described, it is to be understood that the invention is not limited to the precise construction and compositions disclosed herein and that various modifications, changes, and variations may be apparent from the foregoing descriptions without departing from the scope of the invention as defined in the appended claims.

However, the present inventor also contemplates examples in which only those elements shown or described are provided. Moreover, the present inventor also contemplates examples using any combination or permutation of those elements shown or described (or one or more aspects thereof), either with respect to a particular example (or one or more aspects thereof), or with respect to other examples (or one or more aspects thereof) shown or described herein.

The above description is intended to be illustrative, and not restrictive. For example, the above-described examples (or one or more aspects thereof) may be used in combination with each other.

Claim 1:
A system, comprising:
a surgical guide (<NUM>);
a drill (<NUM>) ; and a detachable guide body (<NUM>, <NUM>') for coupling to the drill, wherein the detachable guide body comprises a diameter that is substantially similar to a diameter of a bore of a master tube (<NUM>) positioned within the surgical guide;
wherein the detachable guide body comprises a body (<NUM>) extending from a first end (<NUM>) to a second end (<NUM>);
wherein the first end comprises a flange (<NUM>) having a top surface (<NUM>) and a bottom surface (<NUM>); and
wherein one or more projections (<NUM>) extend from the top surface of the flange.