FIGURE 1.

Chemical structures of BPA, bis-GMA, bis-DMA, and BPA diglycidylether (BADGE). These BPA derivatives are modified forms of BPA synthesized to maximize polymerization of dental resins. Currently, Bis-GMA seems to be the most commonly used.

Chemical structures of BPA, bis-GMA, bis-DMA, and BPA diglycidylether (BADGE). These BPA derivatives are modified forms of BPA synthesized to maximize polymerization of dental resins. Currently, Bis-GMA seems to be the most commonly used.