The Diagnosis and Treatment of Bruxism

이갈이의 진단 및 치료

  • Jeong-Seung, Kwon (Department of Orofacial pain and Oral medicine, College of dentistry, Yonsei University) ;
  • Jung, Da-Woon (Department of Orofacial pain and Oral medicine, College of dentistry, Yonsei University) ;
  • Kim, Seong-Taek (Department of Orofacial pain and Oral medicine, College of dentistry, Yonsei University)
  • 권정승 (연세대학교 구강내과학교실) ;
  • 정다운 (연세대학교 구강내과학교실) ;
  • 김성택 (연세대학교 구강내과학교실)
  • Received : 2012.01.23
  • Accepted : 2012.03.25
  • Published : 2012.03.30

Abstract

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.

이갈이는 이를 갈거나 악무는 것을 포함하는 부기능적인 행위를 말하며 광범위하게는 주간 및 야간에 나타나는 것을 모두 포함한다. 이갈이의 원인으로는 기본적으로 말초성 요인과 중추성 요인으로 나누어 살펴볼 수 있는데 현재까지의 연구 결과를 종합하여 볼 때 중추성 요인이 주로 작용하는 것으로 알려져 있다. 이러한 이갈이는 교모, 치경부 미세파절, 교근 비대, 교근 및 측두근의 통증, 턱관절의 통증 및 움직임의 제한, 치아 및 수복물 파절, 치수염, 외상성 교합 등을 유발 할 수 있고 특히 이악물기의 경우 협점막 압흔이나 협점막 백선 또는, 혀의 측면에 압흔 등을 유발한다. 이갈이의 정확한 진단을 위해 구강내 장치, 근전도, 수면다원검사 등을 이용하며 미국수면장애학회의 경우 이갈이의 임상 진단 기준을 제시하고 있다. 그러나 아직까지 이갈이의 명확한 원인이 밝혀져 있지 않기 때문에 치료법의 선택은 신중하여야 한다. 이갈이가 중등도 이상이고 임상 증상이나 징후를 유발하는 경우에 이갈이를 관리하기 위한 방법으로는 위험 요인의 조절, 구강내 장치, 보툴리눔 독소 주사, 약물 치료, 바이오피드백 등이 있으며 구강내 장치 요법이 현재로서 가장 합리적인 방법이다. 이갈이 치료와 교근비대에 대한 심미적인 개선을 같이 원하는 환자에서는 보툴리눔 독소 주사 요법이 이용될 수 있다.

Keywords

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