Effects of 405-, 532-, 650-, and 940-nm wavelengths of low-level laser therapies on orthodontic tooth movement in rats

Progress in Orthodontics

Table 4 Findings of immunoreactivity density of TRAP staining of the cervical half of the mesial root

Group/variable		Immunoreactivity density		95% confidence interval for mean			p	Group/variable		Immunoreactivity density		95% confidence interval for mean			p
Group/variable		Mean	S.D.	Lower bound	Upper bound		p	Group/variable		Mean	S.D.	Lower bound		Upper bound	p
TRAP-M	NC	97,489.83	10,017.30	86,977.32	108,002.34		0.002*	TRAP-D	NC	99,006.67	9034.43	89,525.62		108,487.72	0.188
	PC	109,420.33	8769.17	100,217.65	118,623.02				PC	113,892.17	18,793.44	94,169.67		133,614.67
	405 nm	91,678.83	7313.39	84,003.90	99,353.77				405 nm	98,290.83	13,332.86	84,298.86		112,282.81
	532 nm	94,642.00	7232.19	87,052.28	102,231.72				532 nm	96,798.67	12,373.72	83,813.24		109,784.09
	650 mm	87,169.17	4934.65	81,990.56	92,347.77				650 mm	96,944.50	11,276.09	85,110.97		108,778.03
	940 nm	98,521.00	11,046.92	86,927.97	110,114.03				940 nm	10,2087.83	7718.58	93,987.68		110,187.99
Pairwise comparisons, p values
TRAP-M	NC-PC	NC-405 nm	NC-532 nm	NC-650 nm	NC-940 nm	PC-405 nm	PC-532 nm	PC-650 nm	PC-940 nm	405–532 nm	405–650 nm	405–940 nm	532–650 nm	532–940 nm	650–940 nm
TRAP-M	0.174	0.838	0.991	0.308	1.000	0.012*	0.052	0.001*	0.254	0.990	0.937	0.726	0.648	0.966	0.216

TRAP-M immunoreactivity density of TRAP staining in the mesial side, TRAP-D immunoreactivity density of TRAP staining in the distal side, NC negative control group, PC positive control group, S.D. standard deviation
Significant degree: *p < 0.05