Sleep bruxism and myofascial temporomandibular disorders: A laboratory-based polysomnographie investigation

Karen Raphael, David Sirois, Malvin N. Janal, Pia E. Wigren, Boris Dubrovsky, Lena V. Nemelivsky, Jack J. Klausner, Ana C. Krieger, Gilles J. Lavigne

Research output: Contribution to journalArticle

Abstract

Background: Many dentists believe that sleep bruxism (SB) is a pathogenic factor in myofascial temporomandibular disorder (TMD), but almost all supportive data rely on patients' self-reports rather than on direct observation. Methods: The authors administered a structured self-report interview to determine whether a large and wellcharacterized sample of patients with myofascial TMD (124 women) experienced SB more often than did matched control participants (46 women). The authors then used data from a two-night laboratory-based polysomnographic (PSG) study to determine whether the case participants exhibited more SB than the control participants. Results: The results of independent sample t tests and analyses showed that, although self-reported rates of SB were significantly higher in case participants (55.3 percent) than in control participants (15.2 percent), PSG-based measures showed much lower and statistically similar rates of SB in the two groups (9.7 percent and 10.9 percent, respectively). Grinding noises were common in both case participants (59.7 percent) and control participants (78.3 percent). Conclusions: Most case participants did not exhibit SB, and the common belief that SB is a sufficient explanation for myofascial TMD should be abandoned. Clinical Implications: Although other reasons to consider treating SB may exist, misplaced concern about SB's sustaining or exacerbating a chronic myofascial TMD condition should not be used to justify SB treatment.

Original languageEnglish (US)
Pages (from-to)1223-1231
Number of pages9
JournalJournal of the American Dental Association
Volume143
Issue number11
StatePublished - Nov 2012

Fingerprint

Sleep Bruxism
Temporomandibular Joint Disorders
Self Report
Dentists
Noise
Observation

Keywords

  • Bruxism
  • Facial pain
  • Myofascial pain
  • Temporomandibular dysfunction

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Raphael, K., Sirois, D., Janal, M. N., Wigren, P. E., Dubrovsky, B., Nemelivsky, L. V., ... Lavigne, G. J. (2012). Sleep bruxism and myofascial temporomandibular disorders: A laboratory-based polysomnographie investigation. Journal of the American Dental Association, 143(11), 1223-1231.

Sleep bruxism and myofascial temporomandibular disorders : A laboratory-based polysomnographie investigation. / Raphael, Karen; Sirois, David; Janal, Malvin N.; Wigren, Pia E.; Dubrovsky, Boris; Nemelivsky, Lena V.; Klausner, Jack J.; Krieger, Ana C.; Lavigne, Gilles J.

In: Journal of the American Dental Association, Vol. 143, No. 11, 11.2012, p. 1223-1231.

Research output: Contribution to journalArticle

Raphael, K, Sirois, D, Janal, MN, Wigren, PE, Dubrovsky, B, Nemelivsky, LV, Klausner, JJ, Krieger, AC & Lavigne, GJ 2012, 'Sleep bruxism and myofascial temporomandibular disorders: A laboratory-based polysomnographie investigation', Journal of the American Dental Association, vol. 143, no. 11, pp. 1223-1231.
Raphael, Karen ; Sirois, David ; Janal, Malvin N. ; Wigren, Pia E. ; Dubrovsky, Boris ; Nemelivsky, Lena V. ; Klausner, Jack J. ; Krieger, Ana C. ; Lavigne, Gilles J. / Sleep bruxism and myofascial temporomandibular disorders : A laboratory-based polysomnographie investigation. In: Journal of the American Dental Association. 2012 ; Vol. 143, No. 11. pp. 1223-1231.
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