NCT07593378已完成不适用
Efficacy of Digital Versus Conventional Nance and Transpalatal Arch Appliances for Space Maintenance
干预措施
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 115
- 试验地点
- 1
研究概览
简要总结
To compare the effect of digital fabricated Nance and transpalatal arch appliances versus conventional fabricated Nance and transpalatal arch appliances.
详细描述
measuring arch parameters: arch perimeter, anterior segment perimeter, maxillary width, anterior segment length, right molar rotation angle, left molar rotation angle, palatal vault depth
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Treatment
- 盲法
- Single (Outcomes Assessor)
入排标准
- 年龄范围
- 8 Years 至 9 Years（Child）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •Healthy children aged 8-9 years
- •Bilateral, prematurely extracted maxillary primary molars within a period not more than one month were selected.
- •Fully erupted maxillary permanent first molars.
- •Angle's class I occlusion.
- •Adequate space for premolar eruption according to Moyer's arch length analysis.
排除标准
- •Children with congenitally absent permanent successors.
- •Children with successors not covered by bone.
- •Children with successors with two-thirds or more of their roots formed.
研究组 & 干预措施
digital Nance appliance
Active Comparator
digital Nance appliance
干预措施: digital fabricated nance appliance (Device)
digital TPA appliance
Active Comparator
digital TPA appliance
干预措施: digital TPA appliance (Device)
conventional nance appliance
Other
conventional nance appliance
干预措施: conventional nance appliance (Device)
conventional TPA appliance
Other
conventional TPA appliance
干预措施: conventional TPA appliance (Device)
研究者
Nehal Salman
Lecturer
Pharos University in Alexandria
研究点 (1)
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