TITLE

Retentive strength of anterior etched porcelain bridges attached with composite resin: an in vitro comparison of attachment techniques

AUTHOR(S)
Moore, David L.; Demke, Richard; Eick, J. David; Sigler, Timothy J.
PUB. DATE
September 1989
SOURCE
Quintessence International;Sep1989, Vol. 20 Issue 9, p629
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The article focuses on an in vitro study that measures the retentive strength of etched porcelain bridges bonded to the abutment teeth with composite resin. The study aims at determining the force necessary to fracture etched porcelain bridges and to compare the strength of five different types of abutment tooth attachments. 70 porcelain bridges, extending from maxillary central incisor to maxillary lateral incisor, were constructed. The specimens were separated into seven groups of 10 specimens each. Multiple comparisons were analyzed using the Newman-Keuls technique. An analysis of variance indicated significant differences among the means. Results showed that the porcelain/metal substructure bridge with box preparations in the abutment teeth provided the greatest strength.
ACCESSION #
39259348

 

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