Table 2. Mean ± SD values of probing depth, relative attachment level, intrabony defect depth reduction and percentage of intrabony defect depth reduction at all-time intervals for placebo, 1.2% ATV and 1.2% SMV groups .

Parameter	Interval	1.2% ATV	1.2% SMV	Placebo	P-value
PD	B/L	7.53 ± 1.35	7.70 ± 1.29	7.63 ± 1.18
	3 months	5.33 ± 0.92	5.73 ± 0.86	6.46 ± 1.13
	6 months	4.45 ± 0.77	4.73 ± 0.86	6.08 ± 1.06
	9 months	4.16 ± 0.86	4.60 ± 0.89	6.38 ± 1.14	<0.0001*
RAL	B/L	6.70 ± 1.17	6.83 ± 1.14	6.83 ± 1.01
	3 months	4.46 ± 1.00	4.73 ± 1.01	5.63 ± 0.99
	6 months	3.36 ± 0.92	3.76 ± 1.30	5.40 ± 1.06
	9 months	3.23 ± 1.10	3.70 ± 1.20	5.53 ± 1.07	<0.0001*
IBD depth reduction	B/L	4.86 ± 0.56	4.75 ± 0.50	4.72 ± 0.47
	6 months	3.24 ± 0.48	3.30 ± 0.44	4.56 ± 0.43
	9 months	3.17 ± 0.50	3.22 ± 0.43	4.60 ± 0.46	<0.0001*
% IBD depth reduction	6 months	33.23 ± 3.11	30.39 ± 3.36	3.40 ± 0.43
	9 months	34.84 ± 3.07	32.15 ± 3.37	2.66 ± 0.39	<0.0001*

^*Statistically significant at P<0.05