Clin Implant Dent Relat Res:有或没有自体块状移植物的颗粒状异种骨替代物引导骨再生的效果

2020-04-15 MedSci原创 MedSci原创

本研究旨在评估使用引导骨再生(GBR)或不使用自体块状移植物(ABG)进行牙槽骨增高后种植体植入后颌骨的尺寸变化。

本研究旨在评估使用引导骨再生(GBR)或不使用自体块状移植物(ABG)进行牙槽骨增高后种植体植入后颌骨的尺寸变化。

 

将42例上颌或下颌中有42个严重水平骨萎缩位点的患者随机分为两组:ABG或GBR。ABG组接受了ABG与颗粒异种移植物的结合,覆盖胶原蛋白膜,而GBR组仅接受了颗粒异种移植物,覆盖胶原蛋白膜。愈合6-9个月后,植入种植体。植入6个月后,修复种植体。在骨移植手术(T0)之后,第6个月(T6)和第18个月(T18)时立即进行影像学检查(CBCT扫描),以评估水平骨宽(HBW)的增加量。收集并分析了患者的人口统计学信息,牙槽骨的宽度,种植体的存活率,并发症和影响因素。

 

共39名患者完成了研究。两组均具有足够的牙槽骨宽度,可用于植入种植体。共植入65颗种植体。两组在T18时种植体存活率为100%。在T18时,GBR部位的HBW平均增加量为5.6±1.35 mm,ABG部位的HBW平均增加量为4.8±0.79 mm。与ABG组相比,在6个月(P = 0.26)或18个月(P = 0.26)时,GBR组获得的HBW增量没有统计学上的差异。然而,与GBR组相比,ABG组的感觉障碍(P = 0.02)和血肿(P = 0.002)的发生率具有统计学意义。

 

综上所述,这些发现表明,无论有无GBG的GBR都是在种植体植入前增加水平牙槽嵴缺损的有效方法。但是,使用与供体部位有关的ABG可能会发生更多的并发症。

 

原始出处:

 

Gerardo Mendoza-AzpurAndres de la Fuente, et al., Horizontal Ridge Augmentation With Guided Bone Regeneration Using Particulate Xenogenic Bone Substitutes With or Without Autogenous Block Grafts: A Randomized Controlled Trial. Clin Implant Dent Relat Res. 2019 Aug;21(4):521-530.

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    2020-09-15 xuyong535
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    2020-12-31 xuyu
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    2020-07-22 xuyong536
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    2020-04-17 lsj630
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    2020-04-15 CHANGE

    疗效只是效果的众多方面之一,还要看对患者的获益,包括生活质量等因素共同决定效果的

    0

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