The Prevalence of Two Canals in Mesial Root of Endodontically Treated Maxillary First Molars
DENTAL NEWS, VOLUME XIII, NUMBER I, 2006 The Prevalence of Two Canals in Mesial Root of Endodontically Treated Maxillary First Molars among a Saudi Arabian Sub-Population By Saad Al-Nazhan - BDS, MSD, Associate Professor and Chairman, Department of Restorative Dental Science Division of Endodontics, College of Dentistry King Saud University Abstract The aim of this in vivo study was to assess the incidence of two root canals in the mesial root of the endodontical- ly treated permanent maxillary first molars of a Saudi Arabian sub-population. A clinical study of 352 root-canal treated permanent maxillary first molars was conducted. The teeth were examined clinically and radiographically. The results showed that 23.3% of the examined teeth had two canals in the mesial root (17.0% with one apical foramen and 6.3% with two separate foramens). The occurrence of two canals in the mesial root of the maxillary first molar of a Saudi Arabian sub-population was w...