Effect of intraoral mechanical cleaning techniques on bond strength of cast crowns to metal cores
Journal of Prosthodontics Mar 15, 2019
AlZain S, et al. - Data were analyzed to study the consequence of cleaning of metal cores from provisional cement on the bond strength of permanent resin cement with cast crowns to cores using an intraoral airborne-particle abrasion method. They categorized the specimens into 3 groups as per mechanical cleaning technique of the remaining provisional cement on surfaces of cast cores: hand cleaning (HC) with a dental excavator, hand cleaning preceding polishing using a brush and pumice (BP), and hand cleaning followed by intraoral airborne-particle abrasion (APA). They observed a statistically significantly greater bond strength in airborne-particle abrasion method for intraoral mechanical cleaning.
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