Table 1.

Descriptive Statistics: Comparison of Average Levels of OSA, pH, Cortisol Peroxidase, and CRP in Patients' Saliva Before and During Orthodontic Treatment^a

Salivary Parameter	n	Time	Mean	SD	P Value
OSA, cpm	21	T0	179	67	.95
		T1	170	66
		T2	160	84
pH	21	T0	6.9	0.2
		T1	6.69	0.29	.013*
		T2	6.83	0.33	.366
Cortisol peroxidase, OD	21	T0	1.32	0.25	.74
		T1	1.37	0.25
		T2	1.33	0.23
CRP, OD	21	T0	0.15	0.06	.79
		T1	0.16	0.06
		T2	0.13	0.03

^acpm indicates counts per minute; OD, optical density; T0, before treatment (baseline); T1, 1 hour after bonding; T2, 4–6 weeks after bonding.

^*P < .05.