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Associations between sleep bruxism and primary headaches: a descriptive study.

Jéssica Conti Réus1,2, Joyce Duarte3, Patrícia Pauletto4

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PubMed
Summary

This study found no link between sleep bruxism and primary headaches. However, alcohol consumption was found to significantly increase the risk of developing sleep bruxism.

Keywords:
HeadacheMigrainePolysomnographySleep bruxismTension-type headache

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Area of Science:

  • Dentistry
  • Neurology
  • Sleep Medicine

Background:

  • Sleep bruxism is an orofacial movement disorder during sleep.
  • Primary headaches are common and can significantly impact quality of life.
  • The relationship between sleep bruxism and primary headaches requires further investigation.

Purpose of the Study:

  • To determine the association between definitive sleep bruxism and primary headaches.
  • To identify other potential factors associated with definitive sleep bruxism.

Main Methods:

  • A descriptive study was conducted with adults undergoing polysomnography.
  • Data were collected via questionnaires, physical examinations, and polysomnography.
  • Statistical analyses included Pearson's chi-square test and binary regressions.

Main Results:

  • No statistically significant association was found between definitive sleep bruxism and primary headaches (OR=0.86, p=0.71).
  • Alcohol consumption was significantly associated with sleep bruxism (OR=5.96, p=0.03).
  • No other analyzed variables were identified as confounding factors for sleep bruxism.

Conclusions:

  • Definitive sleep bruxism is not associated with primary headaches.
  • Alcohol consumption is a significant risk factor for sleep bruxism.
  • Understanding these associations can aid dentists in diagnosing and educating patients about sleep bruxism.