Patent ID: 6390814
Filing Date: 2002-05-21
Classification: A61C

Abstract:
A dental appliance to be used in conjunction with an instrument for enlarging a root canal in a tooth, comprising:a) an attachment section of the appliance that allows the appliance to be firmly held against the tooth; b) a resting section of the appliance comprising at least two arms and a central portion which lies between the arms such that the two arms rest on an occlusal surface of the tooth during use; and c) a guide section of the appliance positioned above the tooth comprising: i) at least one elongated part connected to the central portion of the resting section wherein the elongated part has a hole for placement of the instrument during an endodontic procedure; and ii) a slot adjacent to the hole such that when the instrument is placed into the hole, it can be slid into the hole from a side; wherein the appliance acts as a fixed platform from which the instrument has a fixed working length.