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BACKGROUND Platelet-rich plasma (PRP) is a fraction of plasma, in which platelet-derived growth factor (PDGF) and transforming growth factor-beta (TGF-beta) are thought to be concentrated. It is(More)
The mechanism of enamel matrix derivative (EM D) action on the periodontal wound healing process is not well understood. However, earlier in vitro studies from our laboratory demonstrated that EMD(More)
It has been suggested that human cultured gingival epithelial sheets may serve as a possible grafting material. The purpose of this study was to examine the biological characteristics of human(More)