Table 6.

Comparison of marginal bone loss according to the regions in the arch

	Site	Location	Implant observed	Bone resorption (mm) (mean ± SD)	t test P value
Sur-6 months	Mesial	Premolar	9	1.10 ± 1.27	.133
		Molar	23	0.39 ± 0.33
	Distal	Premolar	9	0.47 ± 0.50	.957
		Molar	23	0.46 ± 0.46
Prosthesis	Mesial	Premolar	9	1.39 ± 1.23	.626
		Molar	23	1.12 ± 1.45
	Distal	Premolar	9	1.06 ± 1.13	.608
		Molar	23	0.87 ± 0.88
Total	Mesial	Premolar	9	2.50 ± 2.17	.166
		Molar	23	1.51 ± 1.59
	Distal	Premolar	9	1.53 ± 1.57	.692
		Molar	23	1.33 ± 1.19

Sur-6 months the period from surgery to 6 months, Prosthesis the period from functional loading to 20 months, SD standard deviation