Smadi, Leena Detection of a second mesiobuccal canal in the mesiobuccal roots of maxillary first molar teeth. [electronic resource] - Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics Mar 2007 - e77-81 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1528-395X Standard No.: 10.1016/j.tripleo.2006.10.007 doi Subjects--Topical Terms: Dental InstrumentsDental Pulp Cavity--anatomy & histologyHumansLensesMaxillaMolar--anatomy & histologyOdontometry--instrumentationRoot Canal Preparation--instrumentation