• G E Gerstner, G T Clark, and J P Goulet.
• Dept. of Cariology and General Dentistry, School of Dentistry, University of Michigan, Ann Arbor 48109-1078.
• Community Dent Oral Epidemiol. 1994 Aug 1; 22 (4): 235-42.

AbstractClinical investigations of temporomandibular disorders require objective, repeatable methods for screening diseased subjects from non-diseased control subjects. This study evaluated whether information gathered from a short, public domain questionnaire was useful in distinguishing temporomandibular disorder subjects (n = 216) from non-temporomandibular disorder controls (n = 69) and tension-type headache subjects (n = 22). The questionnaire consisted of eight questions relating to jaw pain (i.e., location of pain, precipitating factors, and temporal pattern of pain) and five questions relating to jaw function (i.e., joint noises, locking, and difficulty in opening). There were five possible answers to each question which ranged from 0 (no symptoms) to 4 (unbearable or constant symptoms). The total scores for the eight pain questions and the five jaw function questions were used to determine the questionnaire's sensitivity and specificity in each group, and ROC curves were plotted to identify the best cutoff point for disease presence or absence. Results showed that the questionnaire reliably distinguished between the control group and temporomandibular disorder group with 90.3%-97.7% sensitivity and 95.7%-100% specificity at cutoff values between 5 and 9. These results support the use of the questionnaire as a primary screening tool for general practice and as a supplementary screening tool for clinical temporomandibular disorder studies. However, results also showed that the questionnaire was unable to distinguish easily between TMD subjects and temporalis region tension-type headache subjects.

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