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- Title
Clinical Examination Findings of Temporomandibular Disorder Patients: A Factor Analytic Study.
- Authors
Glaros, Alan C.; Glass, Ernest G.; Williams, Karen B.
- Abstract
To assess the latent factor structure of clinical examination findings obtained from temporomandibular disorder patients, exploratory factor analysis was used to examine the relationships of a large number of variables obtained from a clinical examination to a smaller number of latent variables, or factors. Two independent samples of patients—an initial sample that consisted of 330 patients who complained of facial pain and a validation sample of 161 additional patients—were examined to determine whether the factor structure was reliable. A principal axis factor analysis with varimax rotation was used for both sets of data. The factor structure for the two samples was consistent between the two sets of data. Results identified two muscle pain factors (an "intraoral muscle" factor and an "extraoral muscle" factor), two unilateral jaw pain factors, and two factors that concern joint noise (clicking and crepitus). The implications of these findings for the current nosologic systems for temporomandibular disorders are discussed.
- Subjects
TEMPOROMANDIBULAR disorders; CLINICAL medicine; FACTOR analysis; LATENT variables; FACIAL pain; MYALGIA; JAWS; NOSOLOGY; DIAGNOSTIC examinations; PATIENTS
- Publication
Journal of Orofacial Pain, 1998, Vol 12, Issue 3, p193
- ISSN
1064-6655
- Publication type
Article