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Polymerization Shrinkage Strain Versus C-Factor And Placement Method For Dental Composites, Shashank Godbole
Polymerization Shrinkage Strain Versus C-Factor And Placement Method For Dental Composites, Shashank Godbole
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Polymerization shrinkage is an important property when restoring teeth with dental composites since resins shrink during polymerization creating stress and strain around the restoration. This may produce failure at the composite-tooth interface. This leads to marginal gaps, staining, post-operative sensitivity, secondary caries, and crack development within the body of a tooth. It is critical to be able to measure polymerization strain produced during composite polymerization. Objective: To measure and compare the polymerization shrinkage strain of various bulk and incrementally placed composites using a novel and recently developed model with different C-factors. Methods: Teflon molds were used to prepare Z100 composite …