Compatibility of silorane composite repaired with methacrylate-based restorative systems

Polymerization kinetics and polymerization stress in resin composites after accelerated aging as a function of the expiration date

“…When new, the nanofilled composite (Filtek Z350XT) presented a significantly lower DC max average in comparison with aged and expiry date material. The reasons for a significantly lower RC max and a lower conversion at the maximum cure rate for Filtek Z350XT and Filtek Silorane rely on the resin composite components in terms of organic matrix and filler characteristics (Coffone et al, 2014). Chemical and thermal instabilities at the filler/ organo-silane bonds may lead to the formation of cluster agglomeration within the resin matrix (De Monredon-Senani et al, 2009).…”