A method of producing a retention piece having a guidance package configured to provide a desired movement profile for the mandibular and maxillary arches of a recipient relative to each other, the method comprising: obtaining data descriptive of the mandibular and maxillary arches (20,22), an index position of the mandibular arch with respect to the maxillary arch at a predetermined maximum closure position, at least one temporomandibular joint of the recipient, and boundaries of a three-dimensional region, wherein a boundary of the three-dimensional region comprises a region embedded within surfaces of at least one of the mandibular arch and the maxillary arch; specifying an appropriate guidance package based on the desired movement profile for the mandibular and maxillary arches relative to each other; positioning a virtual representation of a retention piece comprising at least a portion of the specified guidance package about virtual representations of at least one of the mandibular and maxillary arches within a virtual articulator; parameterizing the positioned specified guidance package across the three-dimensional region to provide a plurality of virtual guidance equipped solutions formed across a spectrum; modeling, with the virtual representation of the retention piece positioned about the at least one of the mandibular and maxillary arches (20,22), relative movement of the virtual representations of the mandibular and maxillary arches within the virtual articulator to determine whether the parameterized specified guidance package provides the desired movement profile, the relative movement resulting from the guidance provided by the virtual representation of the parameterized specified guidance package; and generating data that can be used by a computer aided machining process to create at least one physical retention piece comprising the specified guidance package configured to provide the desired movement profile. obtaining data descriptive of the mandibular and maxillary arches (20,22), an index position of the mandibular arch with respect to the maxillary arch at a predetermined maximum closure position, at least one temporomandibular joint of the recipient, and boundaries of a three-dimensional region, wherein a boundary of the three-dimensional region comprises a region embedded within surfaces of at least one of the mandibular arch and the maxillary arch; specifying an appropriate guidance package based on the desired movement profile for the mandibular and maxillary arches relative to each other; positioning a virtual representation of a retention piece comprising at least a portion of the specified guidance package about virtual representations of at least one of the mandibular and maxillary arches within a virtual articulator; parameterizing the positioned specified guidance package across the three-dimensional region to provide a plurality of virtual guidance equipped solutions formed across a spectrum; modeling, with the virtual representation of the retention piece positioned about the at least one of the mandibular and maxillary arches (20,22), relative movement of the virtual representations of the mandibular and maxillary arches within the virtual articulator to determine whether the parameterized specified guidance package provides the desired movement profile, the relative movement resulting from the guidance provided by the virtual representation of the parameterized specified guidance package; and generating data that can be used by a computer aided machining process to create at least one physical retention piece comprising the specified guidance package configured to provide the desired movement profile.