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Clin Oral Investig:上颌窦提升时开始骨发生的部位研究

2019-02-17 不详 网络

本研究旨在通过组织形态学检验移植物增量起源于窦底的假设。这项前瞻性,随机分组研究使用冻干骨同种异体移植物(FDBA)或双相磷酸钙(BCP)骨替代物研究了接受双侧上颌侧窦底增大的患者。在窦底增大术后9个月植入种植体时收集Apico-coronal核心活组织检查,进行组织学观察,并进行组织形态学测量。对13名患者的26个双侧部位进行活组织检查。新骨密度(NB)随着距窦底的距离增加而减小。NB的平均表面

本研究旨在通过组织形态学检验移植物增量起源于窦底的假设。

这项前瞻性,随机分组研究使用冻干骨同种异体移植物(FDBA)或双相磷酸钙(BCP)骨替代物研究了接受双侧上颌侧窦底增大的患者。在窦底增大术后9个月植入种植体时收集Apico-coronal核心活组织检查,进行组织学观察,并进行组织形态学测量。

对13名患者的26个双侧部位进行活组织检查。新骨密度(NB)随着距窦底的距离增加而减小。NB的平均表面积在从窦底(G1)2 mm处的31±9.5%到4 mm(G2)处的27.7±11.2%和从30%到11.0%(在G1到23.5±9.9%)在G2处用于BCP标本。单独残留移植物颗粒(GP)面积与距离地板的距离的评估显示,FDBA同种异体移植物在G1和G2之间具有7.1±6.6至9.1±10.3的明显逆梯度,具有与BCP同种异体移植物相同的趋势(分别为21.9±9.9至27.7±6.6)。

总之,我们的结果支持这样的概念,即成骨在上颌窦骨壁附近的区域开始,并且可以通过此处增强。

原始出处:

Kolerman R, Nissan J, et al., Sinus augmentation analysis of the gradient of graft consolidation: a split-mouth histomorphometric study. Clin Oral Investig. 2019 Jan 7. doi: 10.1007/s00784-018-2793-3.

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    2019-12-11 小几洁
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