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	顎関節障害研究診断基準（RDC/TMD）	修正歯科恐怖尺度 (MDAS)
分野	歯学	歯学
系統	Process / pipeline	Process / pipeline
提唱年	1992 (original), 2014 (current DC/TMD)	1995
提唱者	Schiffman, Ohrbach, and International Consortium	Gerry M. Humphris et al.
種類	Structured diagnostic interview and clinical examination	Self-report questionnaire
原典	Schiffman, E., Ohrbach, R., Truelove, E., Look, J., Anderson, G., Goulet, J.-P., & Drangsholt, M. (2014). Diagnostic criteria for temporomandibular disorders (DC/TMD) for clinical and research applications: Recommendations of the International RDC/TMD Consortium Network and Orofacial Pain Special Interest Group. Journal of Oral & Facial Pain and Headache, 28(1), 6-27.	Humphris, G. M., Morrison, T., & Lindsay, S. J. (1995). The Modified Dental Anxiety Scale: validation and United Kingdom norms. Community Dentistry and Oral Epidemiology, 23(6), 326-330.
別名	RDC/TMD, Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD)	MDAS, Modified Dental Anxiety Scale (MDAS)
関連	3	2
概要	The Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD) is a comprehensive, evidence-based diagnostic system for identifying and classifying temporomandibular disorders (TMD)—a group of painful and functional conditions affecting the jaw joint, muscles of mastication, and related structures. Originally developed in 1992 by Schiffman and colleagues and updated to the Diagnostic Criteria for TMD (DC/TMD) in 2014, the RDC/TMD is the international gold standard for TMD diagnosis in research and clinical practice. It combines structured patient history, pain questionnaires, and standardized clinical examination to reliably diagnose muscle disorders, intra-articular disorders, and headache associated with TMD.	The Modified Dental Anxiety Scale (MDAS) is a brief 5-item self-report instrument measuring anxiety anticipation and response to common dental situations. Developed by Humphris and colleagues in 1995 as a refinement of prior instruments, the MDAS has become the gold standard for rapid dental anxiety screening in clinical practice and research. Its brevity, psychometric rigor, and clinical utility have made it the most frequently used measure of dental anxiety internationally.