Table 2.

Comparison of probing pocket depth between two sites and across time at each site

PPD (mm)	Mean±SD		P
	Test site (n=21)	Control site (n=21)
Premolar
Baseline	5.23±0.65	5.14±0.70	0.444 (NS)#
1 month	4.10±0.64	4.37±0.69	0.021 (S)#
3 month	3.42±0.63	3.66±0.66	0.022 (S)#
P	<0.0001 (S)**	<0.0001 (S)**
Molar
Baseline	5.92±0.71	5.78±0.54	0.134 (NS)#
1 month	4.82±0.71	4.80±0.67	0.836 (NS)#
3 month	4.12±0.71	4.15±0.68	0.722 (NS)#
P	<0.0001 (S)**	<0.0001 (S)**

^#Obtained using paired t-test; **Obtained using repeated measures of ANOVA; P<0.05 implicating statistically significant difference; PPD: Probing pocket depth; NS: Not significant; S: Significant; SD: Standard deviation