Effect of retention grooves on fracture strength of Class 2 composite resin and amalgam restorations.

D. J. Caplan, G. E. Denehy, J. W. Reinhardt

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The effect of approximal retention grooves on fracture strengths of class 2 composite resin and amalgam restorations was tested in vitro. Results indicated that retention grooves significantly improved (P less than 0.05) the compressive strength of amalgam restorations (38.6% stronger). For posterior composite resin restorations, there was no significant difference in mean compressive strength of restorations in preparations with and without retention grooves.

Original languageEnglish (US)
Pages (from-to)48-52
Number of pages5
JournalOperative dentistry
Volume15
Issue number2
StatePublished - Mar 1 1990

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Compressive Strength
Composite Resins
In Vitro Techniques

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Effect of retention grooves on fracture strength of Class 2 composite resin and amalgam restorations. / Caplan, D. J.; Denehy, G. E.; Reinhardt, J. W.

In: Operative dentistry, Vol. 15, No. 2, 01.03.1990, p. 48-52.

Research output: Contribution to journalArticle

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