title: Pacemakers and ultrasonic scalers.
authors.forename: G
authors.initials: G
authors.lastname: Balfry
mesh_terms: D012534:Dental Scaling / Q000295:instrumentation*; D004574:Electromagnetic Fields; D006801:Humans; D010138:Pacemaker, Artificial; D014464:Ultrasonic Therapy / Q000295:instrumentation*