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临床试验/NCT07593378
NCT07593378已完成不适用

Efficacy of Digital Versus Conventional Nance and Transpalatal Arch Appliances for Space Maintenance

Pharos University in Alexandria1 个研究点 分布在 1 个国家目标入组 115 人开始时间: 2025年6月2日最近更新:
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

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

申办方类型
Other
责任方
Principal Investigator
主要研究者

Nehal Salman

Lecturer

Pharos University in Alexandria

研究点 (1)

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