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Quintessence Publishing: Journals: QI
Quintessence International

Edited by Eli Eliav

ISSN 0033-6572 (print) • ISSN 1936-7163 (online)

Publication:
June 1996
Volume 27 , Issue 6

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Share Abstract:

Shear bond strength of denture teeth to base: A comparative study

Thean/Chew/Goh

Pages: 425-446
PMID: 8941837

Fracture and debonding of plastic teeth from the denture base are common clinical problems. In this study, a shear, peeling, load was applied to the tooth-denture base junction. The bond strength of a high-impact, heat-cured denture base to three commercial brands of denture teeth, Bioform, Dentacryl, and TNR, was assessed. Ninety-three percent of the specimens exhibited cohesive failure within the body of the tooth and not adhesive failure at the tooth-denture base junction. Some of the teeth exhibited brittle fracture while others underwent distortion on loading. Dentacryl displayed the highest cohesive bond strenth, followed by Bioform and TNR.

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