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Comparative Study
. 1991 Jan-Feb;4(1):17-23.

Shear bond strength of composite resin to porcelain

J A Sorensen  1 , M J Engelman, T J Torres, S P Avera
Affiliations
  • PMID: 2012666
Comparative Study

Shear bond strength of composite resin to porcelain

J A Sorensen et al. Int J Prosthodont. 1991 Jan-Feb.

Abstract

This study evaluated the effect of porcelain surface treatment on the shear bond strength of composite resin to various porcelains and porcelain combinations. A variety of feldspathic porcelains with low and medium alumina content were tested. Porcelain/composite resin samples were stored in 37 degrees C water, thermocycled 1,000 times, and tested in shear. A 3-minute etching using hydrofluoric acid significantly increased the bond strength of most of the feldspathic porcelains with low and medium alumina content. Silane application to all types of etched porcelain had no significant effect on bond strength.

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