TCTR20170728001已完成未知
Clinical and Biochemical Assessments of Segmental Maxillary Posterior Tooth Distal Movement of Two Different Force Magnitudes per Unit of Root Surface Area
Faculty of Dentistry, Chiang Mai University0 个研究点目标入组 20 人开始时间: 2017年7月28日最近更新:
适应症
试验速览
- 阶段
- 未知
- 状态
- 已完成
- 发起方
- 入组人数
- 20
研究概览
简要总结
暂无简介。
研究设计
- 研究类型
- Interventional
入排标准
- 年龄范围
- 15 Years 至 29 Years（—）
- 性别
- All
入选标准
- •Forty segments of five maxillary posterior teeth (canine, first premolar, second premolar, first molar and second molar) from twenty patients undergoing distal movement were used as experimental teeth. The patients met the following criteria:
- •1) Good general and oral health with a healthy periodontium, no radiographic evidence of bone loss, no gingival inflammation, and a probing depth of 3 mm or less of all teeth.
- •2) Lack of antibiotic therapy during previous 6 months
- •3) Absence of anti-inflammatory drug administration in the month preceding the study.
- •4) No pregnancy (women).
- •5)Class II malocclusion which required maxillary posterior tooth distal movement as indication for orthodontic treatment.
排除标准
- •1) Previously orthodontic treatment
- •2) Missing of posterior maxillary teeth
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