مقالهretreatment of a 6-canalled mandibular first molar with four mesial canals: a case report
mohsen aminsobhani department of endodontics, dental school/dental research center, tehran university of medical sciences, and member of iranian center for endodontic research, tehran, iran., noushin shokouhinejad department of endodontics, dental school/dental research center, tehran university of medical sciences, and member of iranian center for endodontic research, tehran, iran., sholeh ghabraei department of endodontics, dental school/dental research center, tehran university of medical sciences, tehran, iran, behnam bolhari department of endodontics, dental school/dental research center, tehran university of medical sciences, tehran, iran, abdollah ghorbanzadeh department of endodontics, dental school/dental research center, tehran university of medical sciences, tehran, iran
چکیده
successful root canal treatment requires adequate knowledge regarding morphologic variations in root canal system of teeth. this report describes a six-canalled mandibular first molar with four mesial root canals requiring endodontic retreatment. the two additional canals in the mesial root were found during retreatment with the aid of illumination and magnification. in conclusion, the possibility of atypical morphology and additional canals should never be over looked.