Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 1, Issue 4, Pages 824-832Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am8002395
Keywords
bile acids; dental monomers; dental composites; methacrylates; mechanical properties; polymerization shrinkage
Funding
- NSERC
- FQRNT
- China Scholarship Council
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We have prepared multifunctional methacrylate derivatives of bile acids as cross-linkable monomers for use in dental composites. By modifying the chemical structure of the monomers, we were able to vary the viscosity, hydrophobicity, and reactivity and have studied the effect of these parameters on the conversion of the monomers, the shrinkage during polymerization, and the mechanical properties of the resulting polymers and composites. Materials containing these new monomers generally h ad physical, thermal, and mechanical properties comparable to those containing the commonly used dental monomers BisGMA or UDMA and had lower polymerization shrinkage. The multimethacrylate derivatives of cholic acid, which are known to be less cytotoxic than BisGMA and UDMA, are shown to be promising materials for dental applications.
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