Oxidative Stress Parameters in Saliva and Its Association with Periodontal Disease and Types of Bacteria

Table 1

Oxidative stress parameters and periodontal status.

Periodontal status	Oxidative stress parameters
	8-OHdG^1,2	GPx^1,2	TAOC^1,2	SOD^1,2	MDA^1,2
	(ng/mL)	(U/L)	(mM)	(U/mL)	(nM)
Healthy controls	2.20	75.04	0.91	3.24	4.43
= 37	(1.88–2.52)	(72.35–77.72)	(0.80–1.01)	(3.16–3.31)	(3.61–5.24)
Gingivitis	2.33	80.99	1.03	3.62	4.51
= 16	(1.84–2.82)	(76.83–85.15)	(0.89–1.17)	(3.37–3.86)	(3.35–5.68)
Periodontal disease	5.54	95.58	1.09	4.17	5.94
= 33	(4.96–6.12)	(93.12–98.04)	(1.01–1.17)	(3.91–4.42)	(5.04–6.84)

Means and 95% confidence interval. ¹Kruskal-Wallis test ; ²Jonckheere-Terpstra test .