NCT03225573已完成不适用
The Prevalence of a Second Mesiobuccal Canal of Maxillary First and Second Molars Using CBCT Among Egyptian Population: A Cross-Sectional Study
适应症
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 60
- 试验地点
- 1
- 主要终点
- Number of Maxillary Molars With a Second Mesiobuccal Canal
研究概览
简要总结
a cross-sectional study to estimate the prevalence of a second mesiobuccal canal of maxillary first and second molars in Egyptian population using cone beam computed tomography through retrospective data analysis
详细描述
Setting and Location:
- The data collection will be obtained from the data base available at a private radiographic centre ORASCAN Oral & Maxillofacial Imaging Centre located in Cairo, Egypt.
- CBCT images will be obtained from Egyptian patients who had CBCT examination as part of their dental examination, diagnosis or treatment planning during the years 2015-16-17.
Participants:
A total of 196 CBCT scans of Maxillary first and second permanent molars belonging to Egyptian individuals will be included.
Variables:
研究设计
- 研究类型
- Observational
- 观察模型
- Other
- 时间视角
- Retrospective
入排标准
- 年龄范围
- 15 Years 至 —（Child, Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •First and second maxillary permanent molars of Egyptian patients starting from 15 years, males or females
- •Intact roots without fractures or cracks
- •Molars without posts or previous root canal treatment
- •CBCT scans of maxillary first and second molars using 8 × 6 Field of view, 0.2 voxel resolution
排除标准
- •Evidence of apicectomy or periapical surgery
- •Odontogenic or non-odontogenic pathology
- •Maxillary molars with developmental anomalies
- •External or Internal Root resorption
- •Canal Calcification
- •Previous root canal treatment
- •Extensive coronal restorations
- •Posts or crown restorations
- •Root caries specially reaching the trifurcation area
- •Tomographic images of poor quality or artifacts interfering with the detection of root canals
结局指标
主要结局
Number of Maxillary Molars With a Second Mesiobuccal Canal
时间窗: 1 month
measuring device is CBCT software On Demand 3D® , measuring unit is binary system (yes/no)
次要结局
未报告次要终点
研究者
Prof. Nashwa Salah
Professor of Oral and Maxillofacial Radiology Faculty of Dentistry
Cairo University
研究点 (1)
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