title: Ellis class 6 fracture: report of case.
mesh_terms: D001047:Apicoectomy; D002648:Child; D006801:Humans; D007180:Incisor / Q000293:injuries*; D008297:Male; D012390:Root Canal Therapy; D014082:Tooth Fractures / Q000145:classification / Q000601:surgery / Q000628:therapy*