orthodontics的例句（orthodontics在句子中的用法）

• to practice orthodontics 从事正牙学
• Methods 812 cases of maxillofacial malformation were treated with dental surgery orthodontics. 方法对812例牙源性错牙合畸形患者,采用牙外科正畸术矫治.
• A practical experts system is proposed after thorough analysis and study orthodontics. 在深入分析和研究口腔正畸学的基础上,开发出一套实用的专家系统.
• The control of anchorage has been a difficult question orthodontics. 摘要支抗的控制一直是正畸领域的难点.