摘要
<正>牙龈退缩表现为牙龈组织向根尖方向移动,使牙根暴露,还可引起牙齿敏感、根面龋和牙间隙增大等问题,并且影响美观,冠向复位瓣(CAF)联合结缔组织移植(CTG)虽然被认为是治疗牙龈退缩的金标准,但需要开辟第二术区、取自体组织,可导致术后疼痛和感染,加之治疗多颗牙牙龈退缩时往往需要大量的牙龈结缔组织,对于供瓣区有限的患者来说,临床治疗具有一定的局限性。浓缩生长因子纤维蛋白(CGF)为高浓度生长因子的纤维蛋白聚合物,通过变速离心
引文
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