A review of polymerization contraction: The influence of stress development versus stress relief

R. M. Carvalho, J. C. Pereira, M. Yoshiyama, D. H. Pashley

Research output: Contribution to journalReview article

289 Scopus citations

Abstract

The insertion of bonded resin composites into cavity preparations leads to a competition between polymerization contraction forces and the strength of bonds to tooth structure. The degree of stress development can be controlled, to some extent, by the cavity design (C-factor), the use of bases, the size, shape, and position of increments of composite resins placed in the cavity, and whether the resin is light- or chemically cured. Stress relief can be accomplished by maintaining the C-factor as low as possible, using chemical-curing resins, low modulus liners, and, over time, by water sorption. A thorough understanding of these principles permits clinicians to exercise more control over these variables, thereby improving the quality of their bonded restorations.

Original languageEnglish (US)
Pages (from-to)17-24
Number of pages8
JournalOperative dentistry
Volume21
Issue number1
StatePublished - Jan 1 1996

ASJC Scopus subject areas

  • Dentistry(all)

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    Carvalho, R. M., Pereira, J. C., Yoshiyama, M., & Pashley, D. H. (1996). A review of polymerization contraction: The influence of stress development versus stress relief. Operative dentistry, 21(1), 17-24.