相关实验视频

Updated: Sep 17, 2025

Real-Time Dynamic Navigation System for the Precise Quad-Zygomatic Implant Placement in a Patient with a Severely Atrophic Maxilla

Real-Time Dynamic Navigation System for the Precise Quad-Zygomatic Implant Placement in a Patient with a Severely Atrophic Maxilla

Published on: October 18, 2021

在完全引导系统的倾斜表面上放置导向牙植入物的错误

Jin-Yong Cho¹, Soobeen Yun², Ahjin Kim²

¹Department of Oral and Maxillofacial Surgery, Gachon University college of Medicine and Gachon University Gil Medical Center, Incheon, Republic of Korea; Department of Oral and Maxillofacial Surgery, Gachon University Gil Medical Center, Incheon, Republic of Korea.

The British journal of oral & maxillofacial surgery

|June 29, 2025

概括

剩余的骨倾向显著影响牙植入物放置的准确性. 较小的角度增加了钻孔结合和x轴偏差,这给斜坡骨表面的引导手术带来了挑战.

科学领域:

牙科植入物学牙科植入物学
生物医学工程生物医学工程
手术准确度 - 手术准确度是指手术的精确度.

背景情况:

准确的牙植入物放置对于成功的结果至关重要.
倾斜的骨表面在导向植入物外科手术中存在独特的挑战.
了解骨角化对钻井精度的影响是必不可少的.

研究的目的:

评估剩余骨倾斜对牙植入物放置准确性的影响.
为了比较两种钻探协议在倾斜的骨表面上的有效性.
根据不同的骨角来量化三维的位置错误.

主要方法:

在体外研究使用3D打印模型与骨倾斜 (90°,15°,30°,45°,60°).
使用标准钻孔序列 (A组) 和尖钻孔序列 (B组) 进行植入物放置.
通过扫描叠加测量钻孔滑动,绑定和3D位置错误.

主要成果:

钻孔结合随着骨角的减少而显著增加,特别是在15°.
最大的x轴偏差发生在15°,表明倾斜表面的滑动.
两个钻井组之间的整体植入物放置精度是可比的,尽管有特定角度的偏差.

结论:

在倾斜的骨表面上导向植入物放置具有挑战性,在较小的角度下,准确性会下降.
骨倾斜,特别是缩小的角度,导致在植入物钻孔期间显著的x轴偏差.
虽然钻探协议可能会影响特定的错误轴,但在斜骨上,整体准确性仍然是一个问题.

关键词:

准确度准确度准确度准确度准确度牙植入器牙植入器手术指南手术指南

更多相关视频

Guided Endodontics: Three-Dimensional Planning and Template-Aided Preparation of Endodontic Access Cavities

Guided Endodontics: Three-Dimensional Planning and Template-Aided Preparation of Endodontic Access Cavities

Published on: May 24, 2022

Dynamic Navigation for Dental Implant Placement

Dynamic Navigation for Dental Implant Placement

Published on: September 13, 2022

相关概念视频

Common Leveling Mistakes and Errors

Common Leveling Mistakes and Errors

A survey team is tasked with determining the elevation difference between points Point A and Point B, separated by uneven terrain. They use a leveling instrument and a leveling rod.Common MistakesMisreading the Rod: During a backsight reading at Point A, the instrumentman observes the rod partially obscured by tall grass. Instead of reading 1.135 m, they mistakenly record 1.735 m due to the misalignment of the crosshair with the wrong graduation. This error adds 0.600 m to all subsequent...

Errors in Taping

Errors in Taping

Errors in taping arise from multiple factors that can significantly impact measurement accuracy in surveying. Misalignment of the tape, often due to human error, is one primary source. A skilled rear tapeman, using a telescope, can help correct alignment by guiding the head tapeman; however, human limitations still lead to small inaccuracies. These errors may include misplacement of pins or inaccurate tape readings due to common visual confusions, such as mistaking a six for a nine. Such...