Biomechanical aspects of prosthetic treatment of structurally compromised teeth

Abstract 

Purpose

This article presents clinical guidelines for restoring structurally compromised teeth and dentitions to reduce the risk for fatigue-caused failures in connection with prosthetic reconstructions.

Materials and methods

Based on the best scientific evidence available and clinical expertise acquired through experience and practice, biomechanical principles are elucidated from a prosthetic aspect.

Results

In prosthetic treatment in the structurally compromised dentition, all efforts need to be focused on protecting the abutments and reconstruction from future fatigue failures. A modified, “therapeutic” occlusion to avoid nonaxial forces may then be prudent.

Conclusion

By lending the prosthesis a favorable occlusal design, the nonaxial forces may be markedly reduced, and the teeth, cement, and restorative materials will be less susceptible to fatigue failures.—Reprinted with permission of Quintessence Publishing.

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