J Clin Periodontol: 部分牙列缺失患者自主、引导、全引导种植手术准确性的研究

2018-06-30 MedSci MedSci原创

本实验旨在比较自主(FH),先导钻引导(PG)和全引导(FG)种植手术的准确性。

本实验旨在比较自主(FH),先导钻引导(PG)和全引导(FG)种植手术的准确性。

实验纳入上颌后牙需要≥2个种植体的部分无牙颌患者,将其随机分配到以下治疗组之一:FH,PG和FG。在骨骼信息(DICOM格式的CBCT数据)融合到义齿蜡块(STL格式的光学扫描数据)之后,在指定的软件中确定理想的植入位置。每个种植体的位置与其"理想位置"相比较。根尖总偏差(AGD)是主要研究的结果。次要结果变量是角度偏差(AD),冠方总偏差(CGD),冠方侧向偏差(CLD),冠方垂直偏差(CVD),根尖侧向偏离(ALD)和根尖垂直偏差(AVD)。

结果:11名患者(平均年龄57岁; 3名男性; 8名女性;共26个种植体)接受FH手术治疗,11例(平均11例(平均年龄53岁; 4名男性; 7名女性;共24个种植体)接受PG手术和10名(平均年龄60岁; 4名)男性; 6名女性;共21个种植体)接受FG手术。 FG手术最准确(平均AGD:0.97mm;最大AGD:1.98mm),然后进行PG手术(平均AGD:1.43mm;最大AGD:2.72mm),FH手术与理想位置偏差巨大(平均AGD:2.11mm;最大AGD:4.84mm)。大多数次要结果变量的结果遵循相同的顺序。虽然计划对所有种植体进行螺钉固位修复,但FH组26例中的5例和PG组中24例中的5例不得不通过粘固剂修复。

FG手术应被视为种植体完美定位的金标准。

原始出处:


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    2019-05-02 huangdf
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    2019-03-11 feather89
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    2018-07-01 大爰

    学习并分享!!

    0

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    2018-06-30 天地飞扬

    了解一下.谢谢分享!

    0

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    2018-06-30 明月清辉

    谢谢分享.学习了

    0

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