Self-curing, self-etching adhesive cement systems.

摘要: PURPOSE To investigate the influence of acid-base reaction between acidic monomers and amines on polymerization behavior self-etching, self-curing adhesives, determine effect application mode shear bond strength morphology, elucidate adhesion performance such systems by measurements. MATERIALS AND METHODS The amine redox-initiator system N,N-di(2-hydroxyethyl)p-toluene (DEPT)/dibenzoyl peroxide (BPO) was selected to amine-base behavior. PKa value DEPT hydrochloride measured titration with NaOH. pH concentration rate methacrylates investigated exotherm time Three different protocols Multilink Primer (Ivoclar Vivadent) Panavia 21 ED-Primer (Kuraray) were tested, 15 s passive vs agitation 60 in combination corresponding resin luting material. effects these three evaluated monitored both tests SEM characterization surface morphology. potential compared enamel dentin directly after 24 h. RESULTS pKa DEPT-HCl is 4.45. DEPT-containing, adhesive highly influenced value. In case Multilink, primer mixture for s, especially dentin, resulted a higher more pronounced removal smear layer. statistically strengths (p < 0.05) than CONCLUSION Radical initiators used are strongly adversely affected incorporated self-etching adhesives. However, if there good adjustment components taken account, high can be achieved.