Evaluation of Oxidative Stress Biomarkers in Patients with Fixed Orthodontic Appliances

Table 1

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

SALIVA	𝑁	Pretreatment	Posttreatment 1st month	Posttreatment 6th month	𝑃 value
Parameters		Mean ± std.	Mean ± std.	Mean ± std.
IL-1𝛽	50	40.80 ± 41.6	51.86 ± 61.20	40.98 ± 33.56	0.474
TNF-𝛼	50	18.99 ± 14.31	25.58 ± 25.66	21.18 ± 18.78	0.256
MDA	50	3.76 ± 2.48	3.87 ± 3.06	3.60 ± 2.45	0.984
Nitrite	50	4.58 ± 3.97	4.47 ± 4.25	3.78 ± 3.29	0.565
8-OHdG	50	4.73 ± 4.15	5.38 ± 5.77	4.64 ± 4.03	0.942