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The effect of amalgam condensation techniques on the tensile bond strength using different dentin adhesives (in vitro study) | ||
| Journal of baghdad college of dentistry | ||
| Article 1, Volume 21, Issue 1, 2009, Pages 33-37 | ||
| Author | ||
| Abdul Munaim S. AL-Khafaji | ||
| Abstract | ||
| ABSTRACTBackground: The purpose of this in vitro study was to assess the effect of the condensation techniques of theamalgam on the tensile bond strength of the amalgam to dentin.Materials and Methods: The occlusal enamel surfaces of the teeth were ground flat to exposed the dentin surfaces,and polished with 600-grit SiC papers. The dentin surfaces were treated with one of the combinations of dentinbonding agents and condensation techniques. The tensile bond strengths were determined with a Zwick UniversalTesting Machine.Results: Statistical analysis of the result revealed that for the Scotchbond Multi-Purpose adhesive and the controlgroups, hand condensation was better and the difference was highly significant (p<0.01) while for the Syntac singlecomponentadhesive group , the mechanical condensation performed better and the difference was highlysignificant ( p < 0.01) . For both types of condensation techniques, the Syntac single-component showed highertensile bond strength values than that of both Scotchbond Multi-Purpose and control groups ( p < 0.01 ) . TheScotchbond Multi-Purpose showed higher tensile bond strength values than that on the control groups and thedifference was highly significant ( p<0.01 ).Conclusions: For both types of condensation techniques, Syntac single-component performed the best in bondingthe amalgam to dentin. The two types of condensation techniques had different effect on the tensile bond strengthsof the amalgam to dentin using the dentin bonding agents.Keywords: Amalgam, tensile bond, dentin. (J Bagh Coll Dentistry 2009; 21(1):33-37) | ||
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