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Dental restorative composites fabricated from a novel organic matrix without an additional diluent.
Cited 19 time in
Web of Science
Cited 20 time in Scopus
- Authors
- Issue Date
- 2007-08
- Publisher
- American Chemical Society
- Citation
- Biomacromolecules 2007, 8, 2571-2575
- Keywords
- dental restorative composite ; Bis-GMA derivatives ; spiro orthocarbonate ; resin mixture ; volumetric shrinkage
- Abstract
- Various dental restorative composite resins containing 2,2-bis-[4-(2-hydroxy-3-
methacryloyloxy propoxy) phenyl] propane (Bis-GMA) derivatives and spiro orthocarbonates
(SOCs) were explored for minimizing the volumetric shrinkage that generally occurs during
polymerization. Previous reports suggested mixing Bis-GMA with its derivative TMBis-GMA
(2,2-bis[3,5-dimethyl-4-(2-hydroxy-3-methacryloyloxy propoxy) phenyl] propane) to obtain a
dental composite with low volumetric shrinkage. It was hypothesized that spiro orthocarbonates
would expand volumetrically during polymerization, because of their sophisticated ringopening
reactions; therefore several of them were added to the mixture of Bis-GMA and
TMBis-GMA to bring about further reductions in volumetric shrinkage. It was indeed
possible to reduce the extent of volumetric shrinkage of dental composites containing SOCs,
and to do so without compromising these resins mechanical properties.
- ISSN
- 1525-7797
- Language
- English
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