title: Conservative treatment of apical foramen. New root canal techniques.
mesh_terms: D003762:Dental Instruments; D003786:Dental Pulp Cavity / Q000033:anatomy & histology; D006801:Humans; D011670:Pulpectomy / Q000379:methods; D012390:Root Canal Therapy / Q000295:instrumentation / Q000379:methods*; D014092:Tooth Root / Q000033:anatomy & histology