title: Iontophoresis in the diagnosis of facial pain.
abstract: Iontophoresis is effective in anesthesia blocking for evaluating the source of pain. When extraoral anesthesia is required, the author has discovered there is less resistance from the patient if iontophoresis is offered as an alternative to needle injections in selected sites.
authors.forename: J S
authors.initials: JS
authors.lastname: DuPont
mesh_terms: D000779:Anesthetics, Local; D000075202:Contraindications; D003937:Diagnosis, Differential; D005157:Facial Pain / Q000175:diagnosis*; D006801:Humans; D007478:Iontophoresis / Q000295:instrumentation* / Q000379:methods*; D008012:Lidocaine
chemical_list: D000779:Anesthetics, Local; D008012:Lidocaine