Configuration of root canals in permanent mandibular first molars--an in vitro study. [electronic resource] - Journal of the Indian Society of Pedodontics and Preventive Dentistry Mar 1996 - 14-6 p. digital Publication Type: Journal Article ISSN: 0970-4388 Subjects--Topical Terms: Dental Pulp Cavity--anatomy & histologyDentition, PermanentHumansMandibleMolar--anatomy & histologyRadiographyRoot Canal Preparation--methods