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*According to manufacturers. Si - silicon; C – carbon; O – oxygen; F – fluorine; Na – sodium; Mg – magnesium; Al – aluminum; K – potassium; Bis-GMA: 2,2-bis[p-(2’-hydroxy-3’methacryloxypropoxy)phenyl]propane; TEGDMA: triethylene glycol dimethacrylate; UDMA: 1,6-bis(methacryloxy-2-ethoxycarbonylamino)-2,4,4-trimethylhexane
