Table 9: Comparison in the control and test groups of the peri-implant bone loss in patients with a history of periodontitis now stabilized versus those without.

Native Bone		History of Periodontitis now Stabilized		N	Mean (mm)	SD (mm)		P-value
Rx 6 Mes		Yes		56	1.0714	0.8653		0.184
		No		78	0.8955	0.5506
Rx 6 Dis		Yes		56	1.0455	0.9386		0.562
		No		78	0.9609	0.6486
Rx 12 Mes		Yes		28	0.9161	0.5688		0.579
		No		22	1.0000	0.4701
Rx 12 Dis		Yes		28	0.9982	0.6910		0.436
		No		22	1.1591	0.7519
DFDBA (300-500 µm)		History of periodontitis now stabilized		N	Mean (mm)	SD (mm)		P-value
Rx 6 Mes		Yes		31	0.5935	0.6777		0.018*
		No		41	1.0427	0.8459
Rx 6 Dis		Yes		31	0.6145	0.6180		0.033*
		No		41	0.9829	0.7737
Rx 12 Mes		Yes		11	0.8909	0.6156		0.081
		No		12	1.5167	0.9637
Rx 12 Dis		Yes		11	0.8182	0.4750		0.010*
		No		12	1,6458	0,8532