Study Number of
patients 		Graft type Number of
implants 		Baseline width
(mm) 		Complications prior to implant placement
(%) 		Gain width
(mm) 		Additional augmentation
(%) 		Possibility of implant placement
(%) 		Complications after implant placement
(%) 		Survival of implants
6 months after loading
(%)
Mean (SD) Mean (SD)
Romito et al. [24] 32 ABB-MR
(n ≥ 32) 		32 Clinically:
2.95 (0.76) 		18.8 Clinically:
3.51 (1.23) 		10 100 21.9 91a
32 CXBB
(n ≥ 32) 		32 Clinically:
2.65 (0.69) 		18.8 Clinically:
3.69 (1.55) 		13.3 96.7 12.5 81a
Lima et al. [25] 8 ABB-MR
(n = 8) 		8 Clinically:
3.4 (1.7) 		0 Clinically:
4 (1.6) 		0 100 0 100a
Radiographically:
3.7 (1.6) 		Radiographically:
4.1 (1.8)
CXBB
(n = 8) 		8 Clinically:
3.3 (1.6) 		0 Clinically:
5.6 (1.5) 		0 100 0 100a
Radiographically:
3.6 (1.4) 		Radiographically:
5.7 (1.6)

ainformation provided by the author after personal contact.
ABB-MR = autogenous bone block graft from mandibular ramus; CXBB = equine-derived collagenated xenogenic block.