Selection and Validity Test of One Question Item for Screening of Temporomandibular Disorders

DOI 3 Citations 18 References
  • SUGISAKI Masashi
    Department of Dentistry, Jikei University School of Medicine
  • KURUMA Eri
    Department of Dentistry, Jikei University School of Medicine
  • KINO Koji
    Temporomandibular Joint and Occlusion, Comprehensive Oral Health Care, Comprehensive Patient Care, Graduate School, Tokyo Medical and Dental University
  • SHIBUYA Tomoaki
    Department of Dentistry, Hitachi, Ltd. Yokohama Clinic, Totsuka General Hospital
  • TSUKAHARA Hiroyasu
    Medical Corporation Tsukahara Dental Clinic
  • SHIMADA Atsushi
    Green Dental Clinic Medical Corporation
  • TAMAI Kazuki
    Department of Dentistry, Jikei University School of Medicine
  • SAITO Takashi
    Department of Dentistry, Jikei University School of Medicine

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Other Title
  • 顎関節症スクリーニング用質問１項目の選定とその妥当性検討

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There is no question which tests the validity for screening temporomandibular disorders (TMD) targeting the population.<BR>Purpose: To select one from four fixed questions, which validated screening TMD for dental patients, and to test the crossvalidation and diagnostic accuracy.<BR>Methods and Subjects: A total of 1, 245 dental patients (TMD prevalence rate: 12.4%) who visited either of four dental offices during one year were asked to answer the four screening questions on a five-point numeric rating scale and binary scale (yes/no). The patients were classified into two groups using the random selection method in SPSS (SPSS, Tokyo, ver. 14). We used ROC curves and the non-parametric dichotomous item scalability test for item selection, and calculations of diagnostic accuracy and Bayesian statistics for reliability.<BR>Results: The question ‘When you open your mouth widely and/or close it, do you feel pain in your jaw?’ was selected, and the crossvalidation was proved. The diagnostic accuracy was 0.701 (sensitivity), 0.871 (specificity), and 0.130 (false positive rate). In the false positive group of the question, pericoronitis, dental caries, and periodontal disease were included; these need to be diagnosed by close inspection.

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