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  • Title: Stress analysis of a cantilevered fixed partial denture with normal and reduced bone support.
    Author: Yang HS, Chung HJ, Park YJ.
    Journal: J Prosthet Dent; 1996 Oct; 76(4):424-30. PubMed ID: 8897301.
    Abstract:
    A two-dimensional finite element model was constructed to analyze the simulated mechanical behavior of a cantilevered fixed partial denture. The variations of the models were made by altering the degree of bone support, the number of splinted abutments, and the length of the pontics. High stress concentrations were observed around the connectors of the fixed prosthesis and the tooth closest to the cantilever. Reduced bone support increased the deflection and stress concentrations. There was reduction in displacement and stress concentration when the teeth were splinted together. To improve the prognosis of the fixed partial denture cantilever, the number of abutments should be increased and the number of pontics decreased.
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