Fig. 4
From: The healing effect of platelet-rich plasma on xenograft in peri-implant bone defects in rabbits
Histological sections at the fourth week. a Control group: defects treated with xenograft alone. b Experimental group: defects treated with xenograft and PRP. Newly formed bone can be observed in both groups. A limited bone-to-implant contact (blue arrows) was found in the control group. Original magnification ×100. H&E stain