不同导航方法中植入精度的比较:系统性审查和网络元分析
The International journal of oral & maxillofacial implants
|November 1, 2023
概括
这项研究发现,指导牙植入物放置方法,包括动态导航 (DN) 和完全指导静态导航 (FG),比自由手 (FH) 技术更准确. DN在顶点和角度准确度方面表现出色,而FG则提供卓越的冠状控制.
科学领域:
- 口腔和牙面部外科手术
- 生物医学工程 生物医学工程
- 牙科植入物学 牙科植入物学
背景情况:
- 牙植入物对于牙损失的恢复至关重要,放置的准确性直接影响了成功.
- 存在各种植入物放置方式,包括自由手 (FH),部分引导 (PG),完全引导静态导航 (FG) 和动态导航 (DN).
研究的目的:
- 使用网络元分析,比较不同牙植入物放置方式的准确性:动态导航 (DN),全引导静态导航 (FG),部分引导静态导航 (PG) 和自由手 (FH).
- 为了确定哪种模式在冠状,顶点和角度偏差方面提供了更高的准确性.
主要方法:
- 根据PRISMA指南进行了系统的文献搜索.
- 进行了17项随机对照试验 (RCT) 的网络元分析,并补充了26篇文章的定性分析.
- 通过测量冠状,顶部和角差异的偏差来评估植入物的准确性.
主要成果:
- 与自由手 (FH) 相比,完全引导的静态导航 (FG) 和动态导航 (DN) 在冠状偏差方面表现出更高的准确性.
- 与FH相比,FG,DN和PG对顶峰和角偏差的准确性得到了改善.
- 累积排名曲线下的表面 (SUCRA) 表示FG是冠状偏差最准确的,而DN是顶点和角偏差.
结论:
- 动态导航 (DN),全引导静态导航 (FG) 和部分引导静态导航 (PG) 提供比自由手 (FH) 植入物放置更高的精度.
- DN为顶峰和角偏差提供了最高的精度,而FG在冠状偏差控制方面表现出色.
- 在DN和FG之间没有发现显著的精度差异,尽管建议进一步验证.
相关概念视频
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...
Introduction to Global Positioning System
The Global Positioning System (GPS) revolutionized positioning on Earth, providing precise location data through satellite ranging. The GPS system was developed in 1978 by the U.S. Department of Defense for military use, and it became available for civilian applications in 1983, transforming fields including navigation, fleet management, and time synchronization for telecommunications systems.GPS consists of satellites in medium Earth orbit, about 20,200 kilometers above the surface,...
Errors in Global Positioning System
Global Positioning System (GPS) technology has revolutionized navigation and positioning, but its accuracy is often compromised by various errors. These errors, stemming from environmental, satellite, and receiver-related factors, require careful mitigation to ensure reliable performance across applications.Atmospheric ErrorsGPS signals travel through the Earth’s ionosphere and troposphere, introducing delays which affect accuracy. The ionosphere is strongly influenced by charged particles,...
Field Application of Global Positioning System
The Global Positioning System (GPS) has become an indispensable tool in fieldwork, offering unparalleled precision and efficiency for surveying, navigation, and infrastructure development. By harnessing signals from a constellation of satellites, GPS receivers determine the location of objects with remarkable speed and accuracy, often completing calculations within a second.Advantages of Modern GPS TechnologyContemporary GPS receivers are designed to meet the practical demands of field...
Types of Global Positioning System Surveys
GPS surveying methods vary in application, accuracy, and data collection techniques, catering to diverse surveying and mapping needs. Static GPS, kinematic GPS, and real-time kinematic (RTK) surveying are widely used. Each technique offers distinct advantages.Static GPS involves placing one receiver at a known reference point and another at the target point. It collects exact positional data by observing multiple satellite ranges over an extended period, achieving centimeter-level accuracy for...
Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device
Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point served as...


