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...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
SpringerOpen
2022-03-01
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Series: | Bulletin of the National Research Centre |
Subjects: | |
Online Access: | https://doi.org/10.1186/s42269-022-00741-z |