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Iranian Endodontic Journal، جلد ۱۰، شماره ۱، صفحات ۵۹-۶۳
عنوان فارسی
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عنوان انگلیسی The Effect of Chlorhexidine on the Push-Out Bond Strength of Calcium-Enriched Mixture Cement
چکیده انگلیسی مقاله Introduction: The aim of this in vitro study was to evaluate the effect of 2% chlorhexidine (CHX) on the push-out bond strength (BS) of calcium-enriched mixture (CEM) cement. Methods and Materials: Root-dentin slices from 60 single-rooted human teeth with the lumen diameter of 1.3 mm were used. The samples were randomly divided into 4 groups ( n =15), and their lumens were filled with CEM cement mixed with either its specific provided liquid (groups 1 and 3) or 2% CHX (groups 2 and 4). The specimens were incubated at 37 ° C for 3 days (groups 1 and 2) and 21 days (groups 3 and 4). The push-out BS were measured using a universal testing machine. The slices were examined under a light microscope at 40× magnification to determine the nature of bond failure. The data were analyzed using the two-way ANOVA. For subgroup analysis the student t-test was applied. The level of significance was set at 0.05. Results: After three days, there was no significant difference between groups 1 and 2 ( P =0.892). In the 21-day specimens the BS in group 3 (CEM) was significantly greater than group 4 (CEM+CHX) ( P =0.009). There was no significant difference in BS between 3 and 21-day samples in groups 2 and 4 (CEM+CHX) ( P =0.44). However, the mean BS after 21 days was significantly greater compared to 3-day samples in groups 1 and 3 ( P =0.015). The bond failure in all groups was predominantly of cohesive type. Conclusion: Mixing of CEM with 2% CHX had an adversely affected the bond strength of this cement.
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نویسندگان مقاله فرشته صبح نمایان | fereshte sobhnamayan


علیرضا عدل | alireza adl


نوشین سادات شجاعی | nooshin sadat shojaee


ثمینا gavahian | samina gavahian


نشانی اینترنتی http://journals.sbmu.ac.ir/iej/article/view/6857
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article
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