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Journal of the Korean Academy of Rehabilitation Medicine 2003;27(3):442-445.
Effect of Botulinum Toxin A on Bruxism after Brain Injury.
Cheon, Seung Wook , Choi, In Sung , Han, Jae Young , Ju, Sung Ryeol , Lee, Sam Gyu , Rowe, Sung Man
Department of Rehabilitation Medicine, Chonnam National University Medical School, Korea. lee9299@cnuh.com, sam91@chonnam.ac.kr
뇌손상 환자에서 이갈이증에 대한 보툴리눔 독소 A의 효과 ⁣3례 보고⁣
천승욱, 최인성, 한재영, 주성렬, 이삼규, 노성만
전남대학교 의과대학 재활의학교실
We wanted to report three cases of bruxism who were intractable to conventional management such as dental protection or medication but responded to motor point blocks (MPB) with botulinum toxin-A (BTX-A) on mastication muscles. Untreated, bruxism causes unfavorable complications of masseter hypertrophy, headache, temporomandibular joint destruction, and furthermore total dental wear and malnutrition. Our three patients had no previous history of bruxism or any neuromuscular disorder. They were presented with decreased cognitive function and severe bruxism about 6 months after brain injury. We managed the patients with MPB of BTX-A on each masseter and temporalis muscles. Bruxisms were markedly improved about 2 weeks after MPB without any complications. On follow-up 6 months after MPB, two of three patients remained free of bruxism and another patient revealed attenuated bruxism with decreased severity and frequency. Therefore, we think that MPB with BTX-A could be considered as a treatment option for severe bruxism in brain-injured patients. (J Korean Acad Rehab Med 2003; 27: 442-445)
Key Words: Bruxism, Brain injury, Botulinum toxin-A


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