| 大鼠前牙扭转移动后保持期动物模型的建立 |
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| 引用本文： | 崔淑霞,朱凤节.大鼠前牙扭转移动后保持期动物模型的建立[J].西安交通大学学报(医学版),2011,32(6):787-789. |
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| 作者姓名： | 崔淑霞 朱凤节 |
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| 作者单位： | 郑州大学口腔医学院正畸科,河南郑州,450052 |
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| 基金项目： | 郑州市二七区科技局基金资助项目(No.20103373)~~ |
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| 摘 要： | 目的 建立大鼠实验性正畸前牙扭转移动后保持期的动物模型并分析保持时间与复发距离的关系.方法 采用36只雌性SD大鼠,在上颌两个中切牙间施加20 g的力量,建立牙根扭转的动物模型.10d后进行固定保持,分为1、4、7、14、21d保持组(实验组),并设不予保持的对照组.测量加力结束后、保持结束时和拆除保持器后7d两中切牙...
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| 关 键 词： | 扭转牙 前牙扭转移动后保持 正畸 牙根扭转动物模型 复发距离 大鼠 |
Establishment of rat retention model in incisors |
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| CUI Shu-xia,ZHU Feng-jie.Establishment of rat retention model in incisors[J].Journal of Xi‘an Jiaotong University:Medical Sciences,2011,32(6):787-789. |
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| Authors: | CUI Shu-xia ZHU Feng-jie |
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| Institution: | CUI Shu-xia,ZHU Feng-jie(Department of Orthodontics,School of Stomatology,Zhengzhou University,Zhengzhou 450052,China) |
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| Abstract: | Objective To establish an experimental orthodontic movement of anterior teeth in rats and analyze the relationship between retention duration and relapse distance.Methods Totally 36 female SD rats were provided for the experiment and divided into 6 groups with 6 rats in each.Maxillary central incisors were anchored to each other and a continuous force of 20 g was applied for 10 days so as to rotate the root of both the maxillary incisors in the animal models.After the rotation was completed,orthodontic liga... |
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| Keywords: | rotated teeth retention after anterior tooth rotation orthodontic animal model of rotating the root of both the maxillary incisors relapse distance rat |
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