Bis-GMA

Bis-GMA (bisphenol A-glycidyl methacrylate) is a resin commonly used in dental composite, dental sealants. and dental cement. It is the diester derived from methacrylic acid and the bisphenol A diglycidyl ether. Bearing two polymerizable groups, it is prone to form a crosslinked polymer that is used in dental restorations. For dental work, bis-GMA is mixed with aluminosilicate particles, crushed quartz and other related acrylates. Bis-GMA was incorporated into composite dental resins in 1962 by Rafael Bowen.

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