title: The use of a cotton-wrapped file to evacuate necrotic pulp tissue.
mesh_terms: D003762:Dental Instruments; D003790:Dental Pulp Necrosis / Q000601:surgery*; D003368:Gossypium; D006801:Humans; D011670:Pulpectomy / Q000295:instrumentation*; D012973:Sodium Hypochlorite / Q000627:therapeutic use
chemical_list: D012973:Sodium Hypochlorite