The Journal of the American Dental Association
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J Am Dent Assoc, Vol 121, No 2, 251-255.
© 1990 American Dental Association
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Journal of the American Dental Association, Vol 121, Issue 2, 251-255
Copyright © 1990 by American Dental Association

Journal Article

Effect of surface penetrating sealant on wear rate of posterior composite resins



GL Dickinson, KF Leinfelder, RB Mazer, and CM Russell
School of Dentistry, University of West Virginia, Morgantown.

Although posterior composite resins have been improved considerably, secondary caries and wear continue to be a major concern. Recent studies suggested that microstructural defects such as voids and microcracks contribute to a weakened surface. The purpose of this study was to evaluate the effect of an experimental surface-penetrating sealant on the wear resistance of a posterior composite resin. At the end of 1 year, the rate of wear of the treated restorations was one-half of those not receiving the surface penetrating sealant.




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