title: The problem of the open apex--a new approach. Oxidised regenerated cellulose technique.
mesh_terms: D002482:Cellulose / Q000031:analogs & derivatives*; D002483:Cellulose, Oxidized / Q000627:therapeutic use*; D003723:Dental Amalgam / Q000627:therapeutic use*; D006801:Humans; D012387:Root Canal Filling Materials / Q000627:therapeutic use; D012389:Root Canal Obturation / Q000379:methods; D012834:Silver / Q000627:therapeutic use*; D014092:Tooth Root / Q000033:anatomy & histology* / Q000473:pathology
chemical_list: D002483:Cellulose, Oxidized; D012387:Root Canal Filling Materials; D012834:Silver; D003723:Dental Amalgam; D002482:Cellulose