| 摘要 |
PURPOSE: A dental restorative material composition containing bisphenol A polyoxyethylene dimethacrylate is provided to resolve high polymerization shrinkage and to prevent secondary dental caries. CONSTITUTION: A dental restorative material composition contains 10-50 wt% of bisphenol A polyoxyethylene dimethacryalte of chemical formula 1, 40-85wt% of inorganic filling agent, and 0.01-5 wt% of photoinitiator. The inorganic filling agent is quartz, barium glass, silica, zirconia, or alumino silicate. The photoinitiator is camphoquinone. The composition additionally contains anti-polymerizing agent, photostabilizing agent, antioxidant, or pigment.
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