Retrospective clinical study of an implant with a sandblasted, large-grit, acid-etched surface and internal connection: analysis of short-term success rate and marginal bone loss

Maxillofacial Plastic and Reconstructive Surgery

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
	Mesial	Molar	23	0.39 ± 0.33	.133
	Distal	Premolar	9	0.47 ± 0.50	.957
	Distal	Molar	23	0.46 ± 0.46	.957
Prosthesis	Mesial	Premolar	9	1.39 ± 1.23	.626
	Mesial	Molar	23	1.12 ± 1.45	.626
	Distal	Premolar	9	1.06 ± 1.13	.608
	Distal	Molar	23	0.87 ± 0.88	.608
Total	Mesial	Premolar	9	2.50 ± 2.17	.166
	Mesial	Molar	23	1.51 ± 1.59	.166
	Distal	Premolar	9	1.53 ± 1.57	.692
	Distal	Molar	23	1.33 ± 1.19	.692

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