In dentistry, polymers are widely used instead of amalgam because they are more aesthetic, better compatible with human tissue and, most importantly, do not contain mercury. O O O Me OH Me Me Me OH O O O O Me Figure 1 Structural formula of bisGMA Monomers based on bisGMA {2,2-bis[p(2'-hydroxy-3’-methacryloxyoxypropoxy)phenyl]propane} are common materials for dental procedures (Figure 1.