Table 2. Comparison of PPT, VAS and TMJ ROM within the group, between the groups, and between pre- and post-experiment.

	Group	Pre-experiment	Post-experiment
PPT (kg/cm2)	1	1.39±0.15	1.39±0.59
	2	1.42±0.92	1.62±0.42*+
VAS	1	4.5±2.4	4.9±2.5
	2	5.10±2.08	1.95±1.82**‡
ROM (mm)	1	40.5±6.2	40.9±3.5
	2	39.2±9.7	41.9±5.0*+

1: Control group, 2: Experimental group. ^*p<0.05 significance difference in comparison to pre-experiment; ^**p<0.01 significance difference in compared to the pre-experiment. ⁺p<0.05 ignificance difference in comparison to control group; ‡p<0.01 significance difference in compared to the control group