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[Effect of Carisolv on root canal cleanness in chemomechanical preparation]
Fu-Liang Zhan1, Li-Na Shao, Xiao-Li Wang
1Department of Endodontics, School of Stomatology, China Medical University, Shenyang 110002, Liaoning Province, China. zhanfl@yahoo.com.cn
Purpose:
To evaluate the effect of Carisolv as chemical reagent on root canal cleanness in chemomechanical preparation.
Methods:
Sixty extracted teeth which were dyed with methylene blue were randomly divided into 3 groups, different chemical reagents were applied in different groups. The optical density of methylene blue in irrigating solution were measured with UV-VIS spectrophotomer after preparation with each file, the root canal cleanness was evaluated under SEM. Two-way ANOVA and Kruskal-Wallis H test in SPSS 11.5 software package were used for statistical analysis.
Results:
There were significant differences in the optical density between the root canals treated with Carisolv and those with 2% tosylchloramide sodium plus 3% hydrogen peroxide (P<0.05), no significant difference was found in optical density between the root canals treated with Carisolv and those with 2.5% sodium hypochlorite (P>0.05). The results of SEM were consistent with those of the optical density of methylene blue.
Conclusions:
As a chemical reagent, the cleaning ability of Carisolv was as effective as 2.5% sodium hypochlorite. Carisolv can remove the smear layer and debris, without causing excessive demineralization. Supported by Key Research Project of Science and Technology Committee of Liaoning Province(Grant No.00225001).