Table 1.

Mean (SD) of Crestal Bone Loss (mm)

Follow-Up Period	Conventional Group	Progressive Group
	Mean (SD)	Mean (SD)
2 months	0.19(0.25)	0.11(0.19)
4 months	0.21(0.27)	0.13(0.24)
6 months	0.26(0.30)	0.14(0.25)
8 months	0.31(0.31)	0.14(0.30)
12 months	0.36(0.36)	0.11(0.19)