title: Internal root resorption after vital root resection.
mesh_terms: D000368:Aged; D001047:Apicoectomy / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008963:Molar; D011670:Pulpectomy; D012389:Root Canal Obturation; D012391:Root Resorption / Q000209:etiology*