title: Mystery of apical root resorption.
authors.forename: Jing
authors.initials: J
authors.lastname: Ren
authors.forename: Ding
authors.initials: D
authors.lastname: Bai
mesh_terms: D003481:Cuspid / Q000473:pathology*; D003951:Diagnostic Errors; D005260:Female; D006801:Humans; D050793:Orthodontic Extrusion; D020254:Tooth Ankylosis / Q000175:diagnosis*; D014095:Tooth, Impacted / Q000628:therapy*