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KMID : 1004520120280010087
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Journal of Dental Rehabilitation and Applied Science
2012 Volume.28 No. 1 p.87 ~ p.101
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The Diagnosis and Treatment of Bruxism
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Kwon Jeong-Seung
Kim Seong-Taek
Jung Da-Woon
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Abstract
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Bruxism is extensively defined as a diurnal or nocturnal parafunctional habit of tooth clenching or grinding. The etiology
of bruxism may be categorized as central factors or peripheral factors and according to previous research results, central
factors are assumed to be the main cause. Bruxism may cause tooth attrition, cervical abfraction, masseter hypertrophy,
masseter or temporalis muscle pain, temporomandibular joint arthralgia, trismus, tooth or restoration fracture, pulpitis,
trauma from occlusion and clenching in particularly may cause linea alba, buccal mucosa or tongue ridging. An oral
appliance, electromyogram or polysomnogram is used as a tool for diagnosis and the American Sleep Disorders Association has proposed a clinical criteria. However the exact etiology of bruxism is yet controversial and the selection of treatment should be done with caution. When the rate of bruxism is moderate or greater and is accompanied with clinical symptoms and signs, treatment such as control of dangerous factors, use of an oral appliance, botulinum toxin injection, pharmacologic therapy and biofeedback therapy may be considered. So far, oral appliance treatment is known to be the most rational choice for bruxism treatment. For patients in need of esthetic correction of hypertrophic masseters, as well as bruxism treatment, botulinum toxin injection may be a choice.
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KEYWORD
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botulinum toxin, bruxism, occlusal stabilization splint
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