Date: 04/2012
Journal: JOE
Purpose: to assess the influence of retreatment procedure on the appearance of defects on the root canal walls Materials and Methods: •N = 200 extracted mandibular premolars were standardized. •4 groups (n= 50, average diameter was 0.7 mm) •Teeth were examined to exclude presence of cracks. •Group (1): left unprepared. Group (2-4): C/S with ProTaper […]