Table 2.

Comparison of MMO and Fricton’s indexes before and after treatment

	Before treatment	After treatment	t	P
MMO (mm)	27.82±4.89	40.79±5.66	15.85	<0.0001
DI	0.63±0.13	0.22±0.12	11.86	<0.0001
PI	0.41±0.15	0.18±0.08	10.73	<0.0001
CMI	0.52±0.10	0.21±0.07	22.04	<0.0001

Note: MMO, maximum mouth opening; DI, dysfunction index; PI, palpation index; CMI, craniomandibular index.