title: Use of botulinum toxin type A injection for neuropathic pain after trigeminal nerve injury.
abstract: OBJECTIVE
  To present a case that neuropathic pain following traumatic injury of the inferior alveolar nerve, which was relieved by the injection of BTX-A.
  
  
  METHODS
  Case report.
  
  
  METHODS
  Tertiary care University hospital.
  
  
  METHODS
  A 62-year-old female was referred by her general dentist to our clinic due to numbness and pain over the left side of her lower lip and chin region.
  
  
  METHODS
  Botulinum toxin type A injected into the middle of chin area subcutaneously.
  
  
  RESULTS
  At 1 month after BTX-A injection, the affected area had decreased in size. And at 2 months, the patient reported a slight decreased in pain, and CPT differences being sustained at a reduced level.
  
  
  CONCLUSIONS
  This case report suggests an effective new modality for treating neuropathic pain after trigeminal nerve injury. A further randomized controlled study involving a large number of patients is needed.
authors.affiliation: TMJ and Orofacial Pain Clinic, Department of Oral Medicine College of Dentistry, Yonsei University, Seoul, Korea.
authors.forename: Seung Hyun
authors.initials: SH
authors.lastname: Yoon
authors.forename: Robert L
authors.initials: RL
authors.lastname: Merrill
authors.forename: Jong Hoon
authors.initials: JH
authors.lastname: Choi
authors.forename: Seong Taek
authors.initials: ST
authors.lastname: Kim
mesh_terms: D019274:Botulinum Toxins, Type A / Q000627:therapeutic use*; D020209:Cranial Nerve Injuries / Q000150:complications / Q000188:drug therapy*; D005260:Female; D006801:Humans; D006987:Hypesthesia / Q000209:etiology; D008875:Middle Aged; D009437:Neuralgia / Q000188:drug therapy* / Q000209:etiology; D009465:Neuromuscular Agents / Q000627:therapeutic use*; D061221:Trigeminal Nerve Injuries
chemical_list: D009465:Neuromuscular Agents; D019274:Botulinum Toxins, Type A