脊维护程序后膜骨的愈合模式
Neil MacBeth1,2, Nikos Mardas1, Graham Davis3
1Centre for Oral Clinical Research, Institute of Dentistry, Queen Mary University of London (QMUL), Bart's & The London School of Medicine & Dentistry, London, UK.
Clinical oral implants research
|August 6, 2024
概括
导向骨再生 (GBR) 和口密封 (SS) 等膜脊保存技术显示,新骨形成比无助愈合少. 然而,GBR与脱蛋白牛骨矿物质 (DBBM) 颗粒显示出优异的骨融合.
科学领域:
- 牙科植入物学 牙科植入物学
- 牙周病学 牙周病学
- 口腔和牙面部外科手术
背景情况:
- 拔牙后,膜脊的保存至关重要,以保持骨体积,以便在随后的植入物安置时使用.
- 引导骨再生 (GBR) 和插座密封 (SS) 是常见的技术,使用脱蛋白牛骨矿物质 (DBBM) 来促进骨愈合.
- 将这些技术与无助口治疗进行比较,可以了解它们的有效性.
研究的目的:
- 在GBR,SS和无助口愈合后,以组织形态测量方法比较骨组成.
- 评估新的骨形成,结合组织的存在,残留的移植材料和骨质整合.
主要方法:
- 接受单根拔牙的42名患者被随机分为GBR,SS或控制 (无助治愈) 组.
- 骨活检是在4个月后收集的,并使用背散射电子扫描电子显微镜 (BSE-SEM) 和X射线微断层扫描 (XMT) 进行分析.
- 组织形态测量分析量化了连接组织,新骨,残留的DBBM和直接的骨与DBBM接触 (骨质整合).
主要成果:
- 与GBR (22.12%) 和SS (27.62%) 相比,无辅助治愈 (控制) 导致新骨形成 (45.89%) 显著增加.
- 所有组连接组织的百分比都相似.
- 骨质整合水平为GBR的35.66%,为SS的31.18%.
结论:
- GBR和SS技术导致较少的新骨形成,而不是无助的口愈合.
- GBR显示,DBBM颗粒与新形成的骨之间的直接接触和骨质融合程度更高.
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