本研究的目的是要探讨富血小板血浆(PRP)、多孔牛骨无机材料(BPBM)和GTR对人下颌磨牙Ⅱ度根分叉病变的疗效。现报告如下。
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...ctions were used and were randomly assigned to three equal treatment groups (30 each): bovine porous bone mineral (BPBM) alone, BPBM plus collagen membrane (CM), and an untreated control group.
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