Evaluation of Oxidative Stress Biomarkers in Patients with Fixed Orthodontic Appliances

Table 2

Biochemical parameters of GCF prior to the treatment and at the first and sixth months.

GCF	𝑁	Pretreatment	Posttreatment 1st month	Posttreatment 6th month	𝑃 value
Parameters		Mean ± std.	Mean ± std.	Mean ± std.
IL-1𝛽	50	10.69 ± 5.11	11.99 ± 6.74	13.41 ± 6.74	0.041*
TNF-𝛼	50	6.83 ± 9.58	6.66 ± 3.80	6.81 ± 3.96	0.254
Nitrite	50	3.18 ± 1.71	3.56 ± 1.70	3.62 ± 2.07	0.096

^∗𝑃<0.05.