title: Endodontics involving an unusual case of fusion.
mesh_terms: D000293:Adolescent; D005260:Female; D005671:Fused Teeth / Q000628:therapy*; D006801:Humans; D008963:Molar / Q000002:abnormalities*; D012390:Root Canal Therapy; D014071:Tooth Abnormalities / Q000628:therapy*