. 2012 Apr 10;2012:271350. doi: 10.5402/2012/271350

Table 2.

Clinical results in the different experimental groups.

Clinical parameters	Group 1	Group 2	Group 3	Values of P
GR (mm)	2.9 ± 1.2	4.6 ± 1.0	6.0 ± 2.2	P _{1 × 2} = NS
				P _{1 × 3} ≤ 0.05
				P _{2 × 3} = NS

PD (mm)	1.6 ± 0.6	3.4 ± 1.7	6.0 ± 2.9	P _{1 × 2} = NS
				P _{1 × 3} ≤ 0.05
				P _{2 × 3} = NS

CAL (mm)	3.2 ± 0.7	7.6 ± 2.0	12.1 ± 2.8	P _{1 × 2} = NS
				P _{1 × 3} ≤ 0.05
				P _{2 × 3} ≤ 0.05

BL (mm)	6.3 ± 2.0	7.6 ± 2.2	11.9 ± 2.1	P _{1 × 2} = NS
				P _{1 × 3} ≤ 0.05
				P _{2 × 3} ≤ 0.05

mm: millimeters; GR: gingival recession; PD: probing depth; CAL: clinical attachment level; BL: bone lost; NS: nonsignificant (P > 0.05, Kruskal-Wallis Test).