Accuracy of Automatic Versus Point-based Semiautomatic Registration for Superimposition of Digital Dental Cast to CBCT 3D Image in Computer Guided Planning: An Observational Study
试验速览
- 阶段
- 不适用
- 入组人数
- 10
- 主要终点
- Accuracy of registration.
研究概览
简要总结
An observational Cross-sectional Study to compare the accuracy and reliability of the automatic registration of digital dental model to CBCT image versus the semiautomatic point-based registration.
详细描述
Settings:
Participants will be randomly selected from patients who will come to Oral and Maxillofacial Radiology department, Faculty of Dentistry, Cairo University for CBCT imaging for implant treatment.
Radiographic imaging of the patients by CBCT machine will be done at Oral and Maxillofacial Radiology Department, Faculty of Dentistry, Cairo University. While the steps of impression taking followed by stone dental cast pouring, then surface laser optical scanning of the patients' stone cast will be done at the Removable Prosthodontics Department, Faculty of Dentistry, Cairo University.
Variables:
The outcome of this study is accuracy and reliability of non-explored new registration technique (automatic registration) versus commonly used registration method (point-based registration).
研究设计
- 研究类型
- Observational
- 观察模型
- Other
- 时间视角
- Cross Sectional
入排标准
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •Partially edentulous patient.
- •Patients having a minimum of three teeth distributed through the jaw with clear and prominent anatomical landmarks that can be used for point-based registration.
排除标准
- •Completely edentulous patient.
- •Patients with pathological lesions or fracture in jaws.
- •Presence of radiopaque restoration with a resultant CBCT artefact that could interfere with proper CBCT segmentation and accurate selection of points needed for point-based registration.
结局指标
主要结局
Accuracy of registration.
时间窗: 2020- 2021
Outcome Measured is the accuracy of registration, measuring tool is a third party software (Geomagic Control X) and measuring unit is millimeter (mm)
次要结局
- Inter and intra-observer reliability(2020- 2021)
研究者
Nada Said
Principal Investigator
Cairo University