A Comparative Evaluation of Modified Hyrax Versus Quad Helix in Treatment of Children With Posterior Cross Bite: Randomized Controlled Trial
试验速览
- 阶段
- 不适用
- 状态
- 招募中
- 入组人数
- 10
- 试验地点
- 1
- 主要终点
- Chewing difficulty
研究概览
简要总结
This study will be performed to evaluate the treatment of posterior cross-bite with modified hyrax & Quad helix appliances and to compare which one will provide better results in relation to chewing difficulty in children with posterior cross- bite in mixed dentition
详细描述
This study will be performed to evaluate the treatment of posterior cross-bite with modified hyrax & Quad helix appliances and to compare which one will provide better results in relation to chewing difficulty as a primary outcome of this study and also evaluate the increase in the inter maxillary width , sleep apnea and signs & symptoms of tempro-mandibular joints disorder in children with posterior cross- bite in mixed dentition Cases will be examined within a regular interval up to one year
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
- None
盲法说明
no Masking
入排标准
- 年龄范围
- 6 Years 至 18 Years(Child, Adult)
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Children with posterior cross-bite in mixed dentition stage.
- •Children with normal and mild growth pattern.
- •Children with completely erupted upper first molars.
排除标准
- •Children with advanced periodontal diseases.
- •Children having general diseases, syndromes.
- •Children with previous orthodontic.
- •Children with severe horizontal growth patterns.
研究组 & 干预措施
Modified Hyrax
Appliance used for rapid maxillary expansion
干预措施: modified hyrax (Device)
Quad Helix
Appliance used for slow maxillary expansion
干预措施: quad helix (Device)
结局指标
主要结局
Chewing difficulty
时间窗: one year
the outcome will be measured by visual analogue scale
次要结局
未报告次要终点
研究者
Sally Mohamed Mosallam
phd researcher student
Cairo University
