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Information Journal Paper

Title

THE EFFECT OF CALCIUM HYDROXIDE AS AN INTRACANAL MEDICAMENT ON THE APICAL MICROLEAKAGE

Pages

 Start Page 188 | End Page 195

Abstract

 Background and Aims: Nowadays, CALCIUM HYDROXIDE is used as a dressing for canal sterilization and repair progression of apical lesions. The aim of this study was to investigate the effect of CALCIUM HYDROXIDE as an intracanal medicament on the apical MICROLEAKAGE of root filling.Materials and Methods: In this experimental study, 46 extracted single-rooted human teeth were instrumented with step-back technique to master apical file (MAF) size 35. Specimens were randomly divided into 2 groups (n=20). In group 1, the specimens were treated with CALCIUM HYDROXIDE intracanal medication, and in group 2, the samples did not receive any medication. The teeth were incubated in 100% humidity at 37oC for one week. After that, CALCIUM HYDROXIDE was removed using irrigation with normal saline and reaming with MAF. The root canals were obturated with gutta-percha and AH26 sealer using lateral compaction technique. Specimens were incubated in 100% humility at 37oC for 72 hours and then immersed in India ink for 1 week. Finally, the teeth were cleared and the maximum linear dye penetration was measured under a stereomicroscope at 4X magnification. The data were analyzed by T-test and Chi-square.Results: There was no significant difference between the two experimental groups (P=0.068).Conclusion: The findings of this study indicated that using CALCIUM HYDROXIDE as an intracanal medicament did not influence the apical MICROLEAKAGE after final obturation of the root canal system.

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