Use of botulinum toxin type A injection for neuropathic pain after trigeminal nerve injury.
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.
Yoon
Seung Hyun
SH
TMJ and Orofacial Pain Clinic, Department of Oral Medicine College of Dentistry, Yonsei University, Seoul, Korea.
Merrill
Robert L
RL
Choi
Jong Hoon
JH
Kim
Seong Taek
ST
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
D009465:Neuromuscular Agents; D019274:Botulinum Toxins, Type A