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. 2016 Mar 24;38(1):16. doi: 10.1186/s40902-016-0061-5

Fig. 4.

Fig. 4

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