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- Objective:The purpose of this study was to investigate and analysis the correlation between position of chin and orthodontic treatment plan about extraction treatment. To develop a discriminant method to predict probability of orthodontic extraction. 目的:本研究通过对50例临床牙(牙合)畸形病例正畸治疗前X线头颅侧位片的研究,找出颏部位置形态在颅面部软硬组织侧貌形态中的作用,并分析颏部位置形态对临床矫治设计判断拔牙与否的影响,为临床诊断和矫治设计建立一种可行的判别方法。
- Logistic regression analysis showed that the probability of orthodontic extraction is significantly correlated with Pog-NB, ANB, ANS-Me,Ll-NB,Ul-Ll, Ll-NP and a high correlation with the vertical distance between position of Pognion and N. Logistic回归显示对拔牙设计敏感指标是Po-NB、ANB、ANS-Me、U1-L1、L1-NP、L1-NB。
- Orthodontic extraction treatment 拔牙矫治
- Orthodontics extraction 正畸拔牙
- Such an extract in a solution of alcohol. 酒精提取物酒精溶液中的提取物
- He tried to extract his pole from the mud. 他试图用力将杆子从泥中拔出来。
- Not for use during orthodontics treatment. 在正牙治疗期间禁用。
- The refuse of sugar cane after extraction of the juice. 甘蔗渣在汁液被榨完以后剩下的甘蔗废料
- It take a major operation to extract money from a minor poet. 要从小诗人那儿榨出钱来，得施行一次大手术。
- Data mining is to extract knowledge from information. 资料开采是从各种资讯中获得知识。
- Orthodontics plays a major role in dental esthetics. 正畸治疗是改善牙列美观的重要手段。
- The orthodontics effect of upper-incision was better. 上切牙拥挤矫治效果较下切牙好。
- Ice cream flavored with vanilla extract. 用香草精调味的冰淇淋。
- Used in or obtained by extraction. 提取的用于提取的，或通过提取得到的
- The extraction of a root of a quantity. 开方，求一个数的方根
- The insoluble portion of an extract. 提取物中不溶解的部分
- Wood ashes are leached to extract lye. 木炭被滤过以提取碱液。
- It provides science analysis in diagnosis and research of orthodontics. 该系统为口腔正畸医学的诊断和研究提供科学的分析依据。
- A short extract from a film or videotape. 剪辑从电影胶片或录相带剪出的片断
- They are by-products from the oil extraction. 它们是提炼石油时产生的副产品。
