Table 1. Intergroup comparisons of PPD, GR, and CAL at test and control sites.

Periodontal clinical parameter	Duration	Site	Mean±SD	Mean difference	P value
PPD	Baseline	Test	4.99±0.80	−0.25	0.065
		Control	5.25±0.82
	3 months	Test	2.99±0.48	−0.25	0.225
		Control	3.24±0.74
	6 months	Test	3.13±0.53	−0.30	0.091
		Control	3.43±0.57
Recession	Baseline	Test	3.05±1.89	0.02	0.981
		Control	3.03±2.10
	3 months	Test	3.24±2.10	−0.79	0.241
		Control	4.03±2.09
	6 months	Test	3.25±2.07	−0.88	0.185
		Control	4.13±2.03
CAL	Baseline	Test	7.99±2.37	−0.693	0.382
		Control	8.68±2.57
	3 months	Test	6.23±2.17	−1.03	0.141
		Control	7.27±2.18
	6 months	Test	6.38±2.19	−1.185	0.088
		Control	7.56±2.07

PPD: probing pocket depth, GR: gingival recession, CAL: clinical attachment level, SD: standard deviation.