ISRCTN13048456已完成不适用
Clinical outcomes of orthodontic extraction treatment with pre-adjusted versus standard edgewise appliances: a retrospective cohort study
niversity of Zurich0 个研究点目标入组 50 人开始时间: 2018年5月29日最近更新:
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 发起方
- 入组人数
- 50
研究概览
简要总结
暂无简介。
研究设计
- 研究类型
- Observational
入排标准
- 性别
- All
入选标准
- •1. Any ethnicity or race
- •2. Male or female
- •3. Class I, Class II, or Class III malocclusion
- •4. Full complement of teeth excluding the third molars
- •5. No previous orthodontic treatment
- •6. No dentofacial deformities or clefts
- •7. Complete set of diagnostic records
- •With the following treatment characteristics to control for factors that might influence treatment outcome or duration:
- •1. One phase treatment with labial fixed appliances in both arches (no two-phase treatment)
- •2. Bilateral extraction of a premolar in one or two jaws (either 2- or 4-premolars extracted)
- •3. No temporary anchorage devices of any form
- •4. No orthognathic surgery
- •5. No dental trauma
- •6. No impacted canines
- •7. Complete set of treatment records
排除标准
- •Does not meet inclusion criteria
研究者
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