Fig. 3From: The healing effect of platelet-rich plasma on xenograft in peri-implant bone defects in rabbitsHistological sections at the second week. a Control group: defects treated with xenograft alone. b Experimental group: defects treated with xenograft and PRP. The new bone formation in the control group was observed more than the experimental group (2/3 vs. 1/3 of the gap, respectively). Original magnification ×100. H&E stainBack to article page