Evaluating oral health-related quality of life measure for children and preadolescents with temporomandibular disorder

Table 1 Intraexaminer reliability of diagnostic questions and clinical examinations of the RDC/TMD criteria (n = 20)

	Reliability
RDC/TMD criteria	Statistical tests	Interpretation
Sign of TMD - Axis I
Muscle tenderness
Extraoral myofascial sites (4-category variable)^†	0.74	Substantial agreement
Intraoral myofascial sites (4-category variable)^†	0.53	Moderate agreement
Jaw movements*	0.46	Acceptable agreement
Joint pain
Palpation (4-category variable)^†	0.67	Substantial agreement
Jaw movements*	0.96	Excellent agreement
Range of motion
Vertical dimension (mm)^†	0.68	Substantial agreement
Jaw excursions (mm)^†	0.49	Moderate agreement
Jaw-opening pattern*	0.30	Regular agreement
Joint sounds
Sound on jaw movement*	0.84	Excellent agreement
(Question) Symptom of TMD - Axis II*
(3) Pain in facial area, the jaws or the jaw joint	0.81	Excellent agreement
(14a) Limitation in jaw opening	0.70	Good agreement
(14b) Diet restriction due to limitation in jaw opening	0.80	Good agreement

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