上颌快速扩弓联合前牵引对安氏Ⅲ类患者上气道和舌位置的影响  

Effects of protraction and rapid maxillary expansion on the sagittal pharyngeal dimensions and tongue posture in Class Ⅲ malocclusion subjects

作　　者：邱严力 杜凤芝[1] Kapika Faustin 田倩倩 王万里[1] 

机构地区：[1]沧州医学高等专科学校口腔系,061000 [2]刚果(金),金沙萨,中刚友好医院口腔科 [3]沧州市口腔医院,061000

出　　处：《实用口腔医学杂志》2011年第3期365-368,共4页Journal of Practical Stomatology

摘　　要：目的:评价上颌快速扩弓联合前牵引对安氏Ⅲ类错患者咽腔和舌位置的影响。方法:对17名不伴有呼吸障碍的青少年安氏Ⅲ类错患者实施上颌快速扩弓联合前牵引矫治。于矫治前后拍摄头颅侧位定位片,对矫治后舌位置、上气道矢状径及相关数据进行统计学分析。结果:矫治结束后患者反解除,上齿槽座点(A点)前移,下颌发生顺时针旋转,舌姿势处于与腭穹更加接近的位置,上气道矢状径增加。结论:上颌快速扩弓联合前牵引矫治可以在短期内增加上气道矢状径及改善舌位置,矫治结果有利于口颌形态及功能的改善。Objective： To evaluate the adaptive changes of the sagittal pharyngeal dimensions and tongue posture following protraction and rapid maxillary expansion （RME） in patients with class m malocclusion. Methods： 17 subjects with class m malocclusion and without any sign or symptom of respiratory disturbance were treated by protraction and rapid maxillary expansion. Cephalometric radiographs were traced to evaluate tongue posture,sagittal pharyngeal dimensions and related data before-and-after treatment. Paired t-test was conducted for stastic analysis. Results ： Malocclusion was corrected after treatment with the forward movement of A point in maxilla and downward and forward movement of the mandible. Significant reduction of tongue-to- palate and increase of pharyngeal ainvay dimensions were observed. Conclusion： Increase of pharyngeal airway dimensions and amendment of the tongue posture can be obtained in a short term by protraction and rapid maxillary expansion in patients with class Ⅲ malocclusion.

关 键 词：上颌快速扩弓 前牵引 舌位置 咽腔矢状径 

分 类 号：R783.5[医药卫生—口腔医学]