Effect of preheating on polymerization shrinkage strain of BIS-GMA free and containing resin composite restorative materials (in vitro study)

Abstract Background This study investigated the effect of preheating of bulk-fill BIS-GMA free and containing resin composite on post-gel shrinkage strain. In a split Teflon mold, sixty resin composite specimens were prepared with dimensions 7 mm length × 4 mm width × 4 mm height. Thirty specimens o...

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Bibliographic Details
Main Authors: Mohamed Lotfy, Nermin A. Mahmoud, Mona I. Riad
Format: Article
Language:English
Published: SpringerOpen 2022-03-01
Series:Bulletin of the National Research Centre
Subjects:
Online Access:https://doi.org/10.1186/s42269-022-00741-z