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Bruxism and orofacial movements during sleep.
T Kato1, N M Thie, J Y Montplaisir
1Facultés de médecine dentaire, médecine, Université de Montréal, Québec, Canada.
Dental Clinics of North America
|November 9, 2001
Summary
Sleep bruxism (SB) diagnosis requires differentiating it from other sleep activities. While oral appliances protect teeth, research is needed on medications and the impact of stress on this condition.
Area of Science:
- Neurology
- Sleep Medicine
- Dentistry
Background:
- Sleep bruxism (SB) presents diagnostic challenges, often confused with other sleep orofacial activities.
- Clinical signs like tooth wear are not exclusive to SB, complicating diagnosis and treatment evaluation.
- Current understanding suggests SB involves microarousal events linked to central and autonomic nervous system activity.
Purpose of the Study:
- To clarify diagnostic challenges in sleep bruxism.
- To review current understanding of SB pathophysiology and management.
- To identify areas for future research in SB.
Main Methods:
- Review of existing literature on sleep bruxism diagnosis and management.
- Analysis of neurophysiologic studies on SB mechanisms.
- Evaluation of clinical signs and potential confounding factors.
Main Results:
- Differentiating SB from other sleep activities is crucial for accurate diagnosis.
- Laboratory recordings offer more specific diagnostic insights.
- No central nervous system pathologies like dopaminergic dysfunction are consistently observed in SB.
Conclusions:
- Further research is needed to refine SB diagnosis and management strategies.
- Cognitive-behavioral approaches, including stress management, show potential benefits.
- Oral splints are recommended for dental protection; medication efficacy requires further controlled studies.