Document Classification

Section Type: METHODS

Text: Teeth were then allocated to two control groups and four experimental groups (n = 10) for final irrigation as follows : no-activation group (final rinse with a 27-gauge needle and 17 % EDTA/3 % NaOCl), manual-dynamic activation group (final rinse 17 % EDTA/3 % NaOCl + gutta-percha agitation), automated-dynamic activation group (final rinse 17 % EDTA/3 % NaOCl + RinsEndo [Drr Dental GmbH & Co KG, Bietigheim-Bissingen, Germany]), and sonic-activation group (final rinse 17 % EDTA/3 % NaOCl + Endoactivator [Advanced Endodontics, Santa Barbara, CA]).