PubMed · 2004 · 20 citations · 0 references
DentistryEndodonticsOrthodonticsDentoalveolar SurgeryOral AnatomyRoot Canal TherapyDental AnatomyDental Arch AnatomyJaw AnatomyMandibular AnatomyRoot Canal AnatomyTooth AnatomyCanalsDental Root Canal AnatomyMandibular Canal VariationsMandibular Incisive CanalMandibular Incisor Canal AnatomyMandibular Tooth AnatomyMolar Canal AnatomyThree-dimensional Root Canal Anatomy
Five clinical cases demonstrate the presence of a middle mesial canal in the mandibular first permanent molar. This is not an extra canal but rather the sequelae of instrumenting the isthmus between the mesiobuccal and mesiolingual canals.