插座解剖学和规划因素对引导即时植入物偏差的影响:一项回顾性队列研究
The International journal of prosthodontics
|February 6, 2026
概括
在前大部立即植入的静态引导手术显示了口腔偏差. 规划对齐和插座壁的接触显著影响准确性,突出需要精确的手术规划.
科学领域:
- 牙科植入物学 牙科植入物学
- 手术导航 手术导航
- 面外科手术 面外科手术
背景情况:
- 在前大部立即安置植入物提供了美学和功能上的好处.
- 静态引导手术旨在提高植入物放置的精度.
- 了解影响准确性的因素对于成功的结果至关重要.
研究的目的:
- 评估解剖学和规划因素对即时植入物放置精度的影响.
- 为了评估前上植入物静态引导手术中的偏差.
主要方法:
- 一项涉及29名患者和40名直接植入物的研究,使用完全数字化的静态引导协议.
- 术前规划集成STL和CBCT数据用于螺丝固定修复.
- 手术指南是用牙支和3D打印的,偏差通过内口扫描测量,并叠加在虚拟图表上.
主要成果:
- 在40个植入物中,在38个植入物中,在植入物平台上观察到一致的口腔偏差.
- 平均角偏差为3.03°,平均3D偏差为0.98mm (平台) 和1.23mm (顶部).
- 与插座轴不对齐的植入物发生了较大的偏差,并在钻井过程中增加了插座壁的接触.
结论:
- 解剖学和规划因素显著影响前大的直接植入物放置的准确性.
- 口偏差很常见,偏差随着口壁接触和与口自然轴不对齐的增加而增加.
- 精心的手术前规划对于优化静态导向植入学手术精度至关重要.
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