Reliability of clinician judgements of bruxism

J. J. Marbach, Karen Raphael, M. N. Janal, R. Hirschkorn-Roth

Research output: Contribution to journalArticle

Abstract

Bruxism is considered to be a parafunctional disorder requiring treatment and is viewed as a risk factor for the development of temporomandibular disorders (TMDs). The purpose of this investigation is to examine the reliability of clinician judgements of bruxism severity. Twenty dentists who are faculty members in a dental school examined 29 stone casts and gold-plated models of individual teeth for evidence of bruxism. Ordinal ratings of bruxism severity for the 29 augmented models were made on two occasions, approximately 3 months apart. Inter-rater reliability among all clinicians, evaluated using intraclass correlation coefficients (ICCs), was poor at both time one and time two (i.e. ICC = 0.33 and 0.32, respectively), with somewhat better reliability found among those clinicians with above-average time elapsed since completion of dental training (i.e. ICC = 0.48 and 0.50 for time 1 and time 2, respectively). Three-month test-retest reliabilities were fair (ICC = 0.46) for the full group of raters and were unrelated to clinicians' degree of confidence in their ratings. These results indicate a need to standardize methods for clinical assessment of bruxism. Additionally, they have implications for studies using clinical assessments of bruxism to test the association between bruxism and other conditions such as TMDs.

Original languageEnglish (US)
Pages (from-to)113-118
Number of pages6
JournalJournal of Oral Rehabilitation
Volume30
Issue number2
DOIs
StatePublished - Feb 1 2003

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Bruxism
Temporomandibular Joint Disorders
Tooth
Dental Schools
Dentists
Reproducibility of Results
Gold

Keywords

  • Bruxism
  • Reliability
  • Temporomandibular disorders
  • Tooth attrition

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Reliability of clinician judgements of bruxism. / Marbach, J. J.; Raphael, Karen; Janal, M. N.; Hirschkorn-Roth, R.

In: Journal of Oral Rehabilitation, Vol. 30, No. 2, 01.02.2003, p. 113-118.

Research output: Contribution to journalArticle

Marbach, J. J. ; Raphael, Karen ; Janal, M. N. ; Hirschkorn-Roth, R. / Reliability of clinician judgements of bruxism. In: Journal of Oral Rehabilitation. 2003 ; Vol. 30, No. 2. pp. 113-118.
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