Table 1

Examination interval	PPD (Mean ± SD [mm])			CAL (Mean ± SD [mm])			REC (Mean ± SD [mm])
	Test	Control	P-value^a	Test	Control	P-value^a	Test	Control	P-value^a
	n = 30	n = 30	P-value^a	n = 30	n = 30	P-value^a	n = 30	n = 30	P-value^a
Baseline	5.83 ± 0.53	5.7 ± 0.65	0.38	6.5 ± 0.5	6.53 ± 0.68	0.83	0.66 ± 0.6	0.83 ± 0.64	0.3
At 6 months	2.8 ± 0.76	3.4 ± 0.49	< 0.001	4.5 ± 0.5	5.4 ± 0.67	< 0.001	1.7 ± 1.11	2.0 ± 0.9	0.3
Difference	3.03 ± 0.92	2.3 ± 0.65	0.001	2.0 ± 0.64	1.13 ± 1.07	< 0.001	1.03 ± 1.15	1.16 ± 1.05	0.6
P-value^b	< 0.001	< 0.001		< 0.001	< 0.001		< 0.001	< 0.001

^aP-value between treatment groups.
^bP-value between paired means.