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J Oral Implantol. 2015 Feb;41(1):3-9. doi: 10.1563/AAID-JOI-D-12-00118. Epub 2013 Feb 11.

The influence of interproximal contact on implant-supported fixed partial dentures in the posterior jaw: a photoelastic analysis.

Author information

1
1  Department of Post-Graduation, Dental School, Federal University of Uberlandia and Periodontology and Implantology Department, HD Postgraduate Dental Education Center, Uberlandia, Brazil.

Abstract

The aim of this study was to analyze the effect of the separation of prosthetic crowns from fixed partial dentures by means of stress gradient evaluation. Three photoelastic models were created to examine contiguous implants with varying contact between the crowns (contact point [CP], contact surface [CS], splinted [SP]). The SP group presented the best results, followed by the CS group, indicating that the use of splinted prosthetic crowns and crowns with broad surface contacts is viable when considering the stress values.

KEYWORDS:

dental prosthesis designs; dental stress analysis; implant-supported dental prosthesis, biomechanics

PMID:
23397888
DOI:
10.1563/AAID-JOI-D-12-00118
[Indexed for MEDLINE]
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