Properties of dual-cure, bulk-fill composite resin restorative materials
Vandewalker, J.P.; Casey, J.A.; Lincoln, T.A.; Vandewalle, K.S.
General Dentistry 64(2): 68-73
2016
ISSN/ISBN: 0363-6771 PMID: 26943093 Document Number: 686454
The purpose of this study was to compare the properties of 2 new dual-cure, bulk-fill restorative composite resins to those of a hybrid composite resin material. Depth of cure, fracture toughness, porosity, microleakage, and volumetric shrinkage properties were examined. With the exception of fracture toughness, significant differences were found among materials. Compared to the incrementally placed hybrid composite, the dual-cure, bulk-fill restorative composites in self-cured mode had unlimited depth of cure, similar fracture toughness and porosity formation, and greater polymerization shrinkage and microleakage.