ConclusionsBond strength of groups that received CH paste was similar to that found in the control group in 13 of the 18 associated factors. EDTA and SH reduced bond strength in specimens in the immediate (middle and apical thirds) and 21d (middle third) groups. There was a significant reduction of bond strength in the groups irrigated with SH and tested at 6 months (cervical and middle thirds). There was a predominance of adhesive failures between resin cement and dentine in all groups.© 2012 International Endodontic Journal. Published by Blackwell Publishing Ltd (Source: International Endodontic Journal)
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