Validity of self-reported sleep bruxism among myofascial temporomandibular disorder patients and controls

Karen Raphael, M. N. Janal, David Sirois, B. Dubrovsky, J. J. Klausner, A. C. Krieger, G. J. Lavigne

Research output: Contribution to journalArticle

Abstract

Sleep bruxism (SB), primarily involving rhythmic grinding of the teeth during sleep, has been advanced as a causal or maintenance factor for a variety of oro-facial problems, including temporomandibular disorders (TMD). As laboratory polysomnographic (PSG) assessment is extremely expensive and time-consuming, most research testing this belief has relied on patient self-report of SB. The current case-control study examined the accuracy of those self-reports relative to laboratory-based PSG assessment of SB in a large sample of women suffering from chronic myofascial TMD (n = 124) and a demographically matched control group without TMD (n = 46). A clinical research coordinator administered a structured questionnaire to assess self-reported SB. Participants then spent two consecutive nights in a sleep laboratory. Audiovisual and electromyographic data from the second night were scored to assess whether participants met criteria for the presence of 2 or more (2+) rhythmic masticatory muscle activity episodes accompanied by grinding sounds, moderate SB, or severe SB, using previously validated research scoring standards. Contingency tables were constructed to assess positive and negative predictive values, sensitivity and specificity, and 95% confidence intervals surrounding the point estimates. Results showed that self-report significantly predicted 2+ grinding sounds during sleep for TMD cases. However, self-reported SB failed to significantly predict the presence or absence of either moderate or severe SB as assessed by PSG, for both cases and controls. These data show that self-report of tooth grinding awareness is highly unlikely to be a valid indicator of true SB. Studies relying on self-report to assess SB must be viewed with extreme caution.

Original languageEnglish (US)
Pages (from-to)751-758
Number of pages8
JournalJournal of Oral Rehabilitation
Volume42
Issue number10
DOIs
StatePublished - Oct 1 2015

Fingerprint

Sleep Bruxism
Temporomandibular Joint Disorders
Self Report
Tooth
Sleep
Research
Masticatory Muscles
Case-Control Studies

Keywords

  • TMD
  • Bruxism
  • Myofascial pain
  • Polysomnography
  • Screening
  • Self-report
  • Sleep
  • Sleep bruxism
  • Temporomandibular disorders

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Validity of self-reported sleep bruxism among myofascial temporomandibular disorder patients and controls. / Raphael, Karen; Janal, M. N.; Sirois, David; Dubrovsky, B.; Klausner, J. J.; Krieger, A. C.; Lavigne, G. J.

In: Journal of Oral Rehabilitation, Vol. 42, No. 10, 01.10.2015, p. 751-758.

Research output: Contribution to journalArticle

Raphael, Karen ; Janal, M. N. ; Sirois, David ; Dubrovsky, B. ; Klausner, J. J. ; Krieger, A. C. ; Lavigne, G. J. / Validity of self-reported sleep bruxism among myofascial temporomandibular disorder patients and controls. In: Journal of Oral Rehabilitation. 2015 ; Vol. 42, No. 10. pp. 751-758.
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