A new approach called therapeutic biomechanics that uses 5 possible corrective procedures that can be used in conjunction with each other to reduce implant loading has been suggested. These procedures are the following: (1) a cross-occlusion (to reduce horizontal implant offset); (2) the head (hex) of the implant should be placed as close to the midline of the restoration as possible; (3) angled or custom reangulated abutment; (4) shallow cusp inclines; and (5) modified centric occlusal anatomy. On maxillary anterior restorations, a horizontal lingual stop redirects the resultant line of force in a vertical direction much closer to the implant and supporting bone. Part II of this paper will focus on laboratory and clinical procedures to implement the concept of therapeutic biomechanics.

Reactive biomechanics, Therapeutic biomechanics, Horizontal implant offset, Angulated abutment, Modified centric occlusal anatomy
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American Academy of Implant Dentistry
2001