title: Three root canals in mandibular second premolars: literature review and a case report.
mesh_terms: D000328:Adult; D001641:Bicuspid / Q000002:abnormalities*; D003786:Dental Pulp Cavity / Q000002:abnormalities*; D005260:Female; D006801:Humans; D012390:Root Canal Therapy / Q000009:adverse effects / Q000379:methods