Source of Support: None, Conflict of Interest: None
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The present study was conducted to evaluate and compare the effectiveness of three different canal preparation techniques, when used in single visit root canal therapy. Forty five permanent mandibular molars were selected and divided into three groups. In Group- A, Crown-down pressureless technique of root canal preparation was used. In Group-B, Double-flared and in Group-C conventional techniques were used to prepare root canals. Sealapex was used as a root canal sealer in all three groups. The treated teeth were examined clinically and radiologically after 1 month, 3 months, 6 months and 12 months. The percentage decrease in radiolucency after 12 months was 84.55 and 89.51 in Group-A, 74.80 and 84.33 in Group-B and 72.46 and 84.61 in Group-C. The findings of this study favours use of Crown-down pressureless technique while undertaking single visit root canal therapy.
