Use and misuse of equipment for dental local analgesia.
D000766:Anesthesia, Dental / Q000295:instrumentation*; D000772:Anesthesia, Local / Q000295:instrumentation*; D003762:Dental Instruments; D004209:Disposable Equipment; D007267:Injections / Q000295:instrumentation*; D009339:Needles; D013242:Sterilization; D013594:Syringes