引导性骨再生的机制：综述
Mechanisms of guided bone regeneration: a review.
作者信息
Liu Jie, Kerns David G
机构信息
Department of Periodontics, Baylor College of Dentistry, Texas A&M University, Dallas, TX.
出版信息
Open Dent J. 2014 May 16;8:56-65. doi: 10.2174/1874210601408010056. eCollection 2014.
Abstract
Post-extraction crestal bone resorption is common and unavoidable which can lead to significant ridge dimensional changes. To regenerate enough bone for successful implant placement, Guided Bone Regeneration (GBR) is often required. GBR is a surgical procedure that uses barrier membranes with or without particulate bone grafts or/and bone substitutes. There are two approaches of GBR in implant therapy: GBR at implant placement (simultaneous approach) and GBR before implant placement to increase the alveolar ridge or improve ridge morphology (staged approach). Angiogenesis and ample blood supply play a critical role in promoting bone regeneration.
摘要
拔牙后牙槽嵴顶骨吸收很常见且不可避免，这会导致牙槽嵴尺寸发生显著变化。为了再生足够的骨以成功植入种植体，通常需要引导骨再生（GBR）。GBR是一种外科手术，使用屏障膜，可搭配或不搭配颗粒状骨移植材料或/和骨替代物。在种植治疗中有两种GBR方法：种植体植入时进行GBR（同期法）和在种植体植入前进行GBR以增加牙槽嵴高度或改善牙槽嵴形态（分期法）。血管生成和充足的血液供应在促进骨再生中起着关键作用。
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