title: Endodontic therapy for first permanent molars in preadolescents.
mesh_terms: D002648:Child; D003762:Dental Instruments; D003786:Dental Pulp Cavity / Q000033:anatomy & histology; D003788:Dental Pulp Diseases / Q000628:therapy*; D004708:Endodontics / Q000295:instrumentation; D006801:Humans; D008963:Molar / Q000033:anatomy & histology; D012390:Root Canal Therapy