Abstract
BackgroundThis research was done to evaluate the bond strength using two repair methods with lithium disilicate ceramic.MethodsCojet and clearfil repair methods were used to repair lithium disilicate ceramic. The ceramic was sliced into slices before sintering (30 samples). Vita Ambria (Vita, Zahnfabrik, Germany) ceramic was used, surface-treated with the 2 repair systems and then bonded to composite. Samples are stored, thermocycling was done, and then, shear loading was done until fracture. Bond strength values were collected and statistically analysed.ResultsThe results showed that the cojet surface treatment showed significantly more bond strength (14.43 ± 1.46 Mpa) than the clearfil surface treatment showing (4.16 ± 1.33) as indicated by paired t-test p ≤ 0.05.ConclusionsBond strength between composite and the ceramic Vita Ambria is better using cojet surface treatment than using the clearfil system.
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