NCT03585881Unknown不适用
Evaluation of Accuracy of 3DPrinted Windowed Bracket- Positioning Guide Compared To Thermoformed Transfer Tray For Orthodontic Indirect Bonding A Randomized Controlled Trial
适应症
干预措施
试验速览
- 阶段
- 不适用
- 入组人数
- 132
- 主要终点
- accuracy of 3D printed transfer tray with windows& conventional thermoformed transfer tray
研究概览
简要总结
this study was aimed to evaluate of accuracy of 3DPrinted windowed Bracket- Positioning Guide in compare to Thermoformed Transfer Tray For Orthodontic Indirect Bonding
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Other
- 盲法
- Single (Outcomes Assessor)
入排标准
- 年龄范围
- 13 Years 至 25 Years（Child, Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Age: above 13 years.
- •Complete set of permanent teeth including second molar.
- •No sex predilection.
- •Class I Mild to moderate crowding (4-6 mm).
排除标准
- •Surface enamel defect that compromise bonding
- •No or poor patient's compliance.
- •Psychological problems.
- •Pathology at the site of intervention.
- •Insufficient crown height that contradicts bonding of brackets.
- •Labial and buccal Restorations.
- •Poor oral hygiene.
- •Severely rotated teeth
研究组 & 干预措施
window bracket positioning tray
Experimental
干预措施: 3DPrinted Windowed Bracket- Positioning tray (Device)
conventional indirect boning tray
No Intervention
结局指标
主要结局
accuracy of 3D printed transfer tray with windows& conventional thermoformed transfer tray
时间窗: immediate
using digital measurements on 3 shape software in mm degrees
次要结局
- chairside time(immediate)
- immediate bond failure(immediate)
研究者
Amany Ibrahim
principal investigator
Cairo University
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