Study New bone formation
(%) 		Residual graft material
(%) 		Marrow space
(%) 		Osteoid thickness
(µm)
Jun et al. [15] AutoBT:
31.07 (14.52) 		AutoBT:
29 (10.27) 		AutoBT:
39.93 (18.92) 		AutoBT:
13.12 (5.16)
Bio-Oss®:
26.49 (7.13) 		Bio-Oss®:
31.12 (14.51) 		Bio-Oss®:
42.38 (16.37) 		Bio-Oss®:
8.35 (3.94)
No difference
(P = 0.556) 		No difference
(P = 0.896) 		No difference
(P = 0.471) 		Significant difference
(P = 0.025)
Kim et al. [18] AutoFDT block
+ PRP: 23.13 (1.42) 		AutoFDT block
+ PRP: 22.21 (1.19) 		Not evaluated Not evaluated
Allograft and xenograft powder with PRP:
24.18 (2.19) 		Allograft and xenograft powder with PRP:
31.18 (2.09)
No difference
(P = 0.548) 		Significant difference
(P = 10.008)a

aSignificant difference between block and powder was observed - larger spaces between the blocks compared to powder.
AutoFDT = autogenous fresh demineralized tooth; autoBT = autogenous tooth bone graft; PRP = platelet rich plasma.