Table 3. Effect of LAT on treatment-resistant TMD.

Variable	VASS	VASP	MMO
Total, n = 29
Before LAT	6.24±1.52	7.45±0.94	26.90±8.96
After LAT	0	0.41±0.78	39.79±2.47
A–B	−6.24±1.52	−7.10±1.04	12.90±7.97
Z	−4.828	−4.753	−4.628
P value	0.000	0.000	0.000
Acute TMD, n = 10
Before LAT	5.70±1.62	7.10±0.97	32.90±6.79
After LAT	0	0.30±0.67	40.70±2.67
A–B	−5.70±1.62	−6.80±0.89	7.80±5.43
Z	−2.831	−2.831	−2.668
P value	0.005	0.005	0.008
Chronic TMD, n = 19
Before LAT	6.53±1.43	7.63±0.90	23.74±8.44
After LAT	0	0.47±0.84	39.32±2.29
A–B	−6.53±1.43	−7.26±1.10	15.58±7.87
Z	−3.976	−3.868	−3.833
P value	0.000	0.000	0.000

Wilcoxon signed-rank test; A–B: after–before LAT; LAT: laser acupuncture therapy; MMO: Maximal mouth opening; TMD: temporomandibular disorder; VASP: Visual analog scale upon palpation; VASS: Visual analog scale, spontaneous (at rest).