Table 3.

Fricton’s Craniomandibular Indexes and Recurrence Rates of TMD Patients Before and After Therapy

Variables			Ultrasound	Control	P
IID, cm	Before		5.66 ± 0.60	5.65 ± 0.55	0.914
	After	4 weeks	2.21 ± 0.22**	5.79 ± 0.26	0.012
		6 months	2.26 ± 0.21**	6.99 ± 0.23*	0.012
JN, dB	Before		3.16 ± 0.43	3.11±0.38	0.492
	After	4 weeks	2.07 ± 0.31*	3.15 ± 0.49	0.015
		6 months	2.17 ± 0.21*	3.33 ± 0.39	0.015
DI	Before		8.91 ± 1.80	8.80 ± 1.72	0.198
	After	4 weeks	4.29 ± 0.37**	8.30 ± 0.21	0.021
		6 months	4.19 ± 0.47**	8.90 ± 0.41	0.021
Recurrence at 6 months, n (%)			2 (2.63)	N/A

Note: *, and ** denote P < 0.05 and 0.01, respectively vs before therapy.

Abbreviations: VAS, visual analog scale of pain; IID, inter-incisal distance; MM, mandibular movement; JN, jaw noise; DI, disability index.