Effect of Periodontal Surgery on Osteoprotegerin Levels in Gingival Crevicular Fluid, Saliva, and Gingival Tissues of Chronic Periodontitis Patients

Table 2

The mean and standard deviation of different variables estimated in chronic periodontitis patients throughout the experimental period.

Time	Parameter
	GCF-OPG (pg/mL)	Salivary-OPG (pg/mL)	PI	GI	mm PD	mm CAL
Baseline
3 months
6 months

Statistically significant difference from the baseline.
Statistically significant difference from the 3 months.