The reliability of using light therapy compared with LASER in pain reduction of temporomandibular disorders: a randomized controlled trial

Table 2 Comparison between group A and B patients regarding pain reduction

Periods	Group A (pain score) Mean ± SD	Group B (pain score) Mean ± SD	P-value^a
Base line visit	3.85 ± 1.79	3.8 ± 1.24	0.872^ns
2nd visit	3.6 ± 1.15	2.45 ± 1.52	0.091^ns
3rd visit	3.55 ± 0.87	2.35 ± 1.66	0.031*
Follow-up visit	3.7 ± 1.79	2.25 ± 1.81	0.017*

ISSN: 1472-6831