Self-activated Leaf Expander Versus William's Expander in Expansion of Collapsed Mandibular Arch: A Prospective Clinical Trail
试验速览
- 阶段
- 不适用
- 状态
- 进行中（未招募）
- 入组人数
- 16
- 试验地点
- 1
- 主要终点
- Intercanine width
研究概览
简要总结
Self-activated leaf expander versus William's expander in expansion of collapsed mandibular arch
详细描述
The current randomized clinical study will be directed to compare the selfactivated leaf expander to William's expander for the expansion of collapsed mandibular arch.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Screening
- 盲法
- None
入排标准
- 年龄范围
- 12 Years 至 16 Years（Child）
- 性别
- Female
- 接受健康志愿者
- 是
入选标准
- •An age from 12-16 years.
- •Low to average facial vertical pattern.
- •A mild to moderate crowding in mandibular arch with reduced transverse dimension which require non extraction orthodontic approach.
- •Similar amount of crowding on each side of the mandibular arch.
- •No previous orthodontic treatment.
- •Good oral and general health.
排除标准
- •Severe crowding.
- •Steep mandibular plane.
- •Asymmetric crowding on both sides of the arch.
- •Shifting of mandibular dental midline.
- •Impacted lower 2nd premolar.
研究组 & 干预措施
william's expander
Eight patients will be treated with William's expander, where the arms of expander will be placed parallel to the line of occlusion at the middle of lingual surface of the anterior teeth with two bands on lower permanent first molars.
干预措施: williams's expander (Device)
self activated leaf expander
Eight patients will be treated by self-activated leaf expander that does not need activation by the patient.
干预措施: self activated leaf expander (Device)
结局指标
主要结局
Intercanine width
时间窗: 6 months
comparing the selfactivated leaf expander to William's expander for the expansion of collapsed lower arch by CBCT mandibular arch.
次要结局
未报告次要终点
研究者
Abdalla Kamal
doctor
Al-Azhar University