Journal of Conservative Dentistry
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Year : 2014  |  Volume : 17  |  Issue : 1  |  Page : 40-44

Effect of final irrigating solution on smear layer removal and penetrability of the root canal sealer

1 Department of Conservative Dentistry and Endodontics, Yenepoya Dental College, Mangalore, India
2 Department of Conservative Dentistry and Endodontics, SIBAR Dental College, Guntur, India
3 Department of Oral Pathology, Yenepoya Dental College, Mangalore, India

Correspondence Address:
Amarnath Shenoy
Department of Conservative Dentistry and Endodontics, Yenepoya Dental College, Mangalore 575 018
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-0707.124132

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Objective: To evaluate the effect of final rinsing solution on smear layer removal through penetrability of the root canal sealer. Materials and Methods: Each of the 30 teeth selected was decoronated and the root length standardized at 16 mm measured from the apex of the tooth to the cementoenamel junction (CEJ). A size 10-k file was used and working length was determined by subtracting 1mm from the measured length so that the length of the sample was 15mm. A combination of step back and crown down technique was done and apical portion was prepared till H-file no. 30. 3% NaOCl was used during cleaning and shaping of the canals. Finally the teeth were divided into three groups of 10 teeth each. Group-I was irrigated with 17% EDTA, Group-II with TUBLICID plus, and Group-III with Biopure MTAD® . ISO 30 size gutta-percha points were selected as master cones. The Acroseal sealer was mixed with approximated concentration 0.1% fluorescent rhodamine B isothiocyanate dye. Obturation was done and after 48 hours, the roots were sectioned and subjected to confocal laser scanning microscopy. Results: Comparisons among the three groups were done by two-way analysis of variance (ANOVA) and Newman-Keuls multiple post-hoc procedures. The two-way ANOVA showed statistically highly significant results. The maximum depth of sealer penetration was observed in Group II followed by Group III and Group I. Conclusion: The use of -Tubulicid plus as a final irrigant provided better smear layer removal than Biopure a mixture of doxicycline, citric acid and a detergent (Tween 80) (MTAD® ) and 17% EDTA.

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