Weine, F S The effect of preparation procedures on original canal shape and on apical foramen shape. [electronic resource] - Journal of endodontics Aug 1975 - 255-62 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0099-2399 Standard No.: 10.1016/S0099-2399(75)80037-9 doi Subjects--Topical Terms: Dental Pulp Cavity--anatomy & histologyHumansModels, AnatomicModels, DentalRoot Canal Preparation--methodsTooth Apex--anatomy & histology