Weaken the restoration and alter color stability 7, 24. Of composite resin restorations and may be released from the material, contributing to
Monomers that were not converted into a polymer network may remain in the deeper areas Intensity delivered from the curing unit or inadequate light exposure time, free resin When a material is underpolymerized due to low light
It has been demonstrated that the extent of polymerization of resin materials isĭirectly related to the quality of their physical, mechanical and biological
The possible adverse effects of the mercury released from amalgam, the search for directĬomposite resins has increased considerably and their use in posterior teeth is now also Due to the growing demand of patients for esthetic restorations and the concern about
