RESIN MATERIALS
BIS-GMA resin is the base for composite. In the late 1950's, Bowen mixed bisphenol A and glycidylmethacrylate thinned with TEGDMA (triethylene glycol dimethacrylate) to form the first BIS-GMA resin. Diluents are added to increase flow and handling characteristics or provide cross linking for improved strength. Common examples are:
RESIN
BIS-GMA bisphenol glycidylmethacrylate
DILUENTS
MMA methylmethacrylate
BIS-DMA bisphenol dimethacrylate
UDMA urethane dimethacrylate
CROSS LINK DILUENTS
TEGDMA triethylene glycol dimethacrylate
EGDMA ethylene glycol dimethacrylate
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