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European Journal of Prosthodontics and Restorative Dentistry

Holographic Stress Analysis in a Distal Extension Removable Partial Denture

Abstract

Abstract - This study examines tress analysis of the mandible when submitted to mastication simulated forces over a distal extension removable partial denture. Two situations were analyzed upon loading: small pins had been placed over the bone crest and under the denture; low amplitude loads were applied over tooth 34-37. Holographic interferometry techniques were used to assess mandible’s deformation. Results indicate that a correct adaptation of the denture base is critical to reduce stresses in the mandible. High stress levels in the second molar region suggest its noninclusion in these prosthetic rehabilitations.

KEY WORDS: dental stress analysis, removable partial denture, dental prosthesis design, biomechanics, mandible

Authors

José Carlos Reis Campos, André Correia, Mário Augusto Pires Vaz, Fernando Jorge Morais Branco

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