Preparing the root canal.
D000891:Anti-Infective Agents, Local / Q000008:administration & dosage*; D003737:Dental Cavity Preparation / Q000379:methods*; D003762:Dental Instruments; D006801:Humans; D009811:Odontometry / Q000379:methods; D012390:Root Canal Therapy / Q000295:instrumentation* / Q000379:methods*; D013242:Sterilization / Q000379:methods; D007507:Therapeutic Irrigation
D000891:Anti-Infective Agents, Local