Fig. 8

Histological examination of the effects of clotted PPP, clotted PRP, and PRF membrane preparations on the thickness and the structure of the CAM. Representative photomicrographs of Masson’s trichrome staining (n = 5). Cell nuclei and collagen are stained red and blue, respectively. Asterisks represent the regions for evaluation of cell density and collagen deposition. The controls included no plasma-derived supplements