| 冯妍 张良 陈文静 刘浩 蒋瑶瑶.快速扩弓前方牵引矫治替牙期骨性反合效果的CT 观察[J].,2015,15(31):6074-6077 |
| 快速扩弓前方牵引矫治替牙期骨性反合效果的CT 观察 |
| CBCT Observation of Rapid Maxillary Protraction Combined with MaxillaryExpansion Treating Skeletal Malocclusion Patients in Mixed Dentition onUpper Airway |
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| DOI： |
| 中文关键词: 快速扩弓 前方牵引 骨性安氏Ⅲ类错合 上气道 CBCT |
| 英文关键词: Rapid palatal expansion Maxillary protraction Skeletal Class Ⅲ Malocclusion Upper airway CBCT |
| 基金项目:南京医科大学科技发展基金项目(08NMUM042)；江苏省卫生厅科技项目(Z201212) |
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| 中文摘要: |
| 目的：应用CBCT 观察快速扩弓前方牵引矫治替牙期骨性安氏Ⅲ类错合对上气道的影响。方法：选取替牙期骨性安氏Ⅲ类
错合患者22 例，采用上颌快速扩弓前方牵引治疗，应用CBCT 评估矫治前后上气道的大小和形态的变化。结果：替牙期骨性安氏
Ⅲ类错合患者矫治后上气道的总体积、腭咽、舌咽、喉咽及口咽体积显著增大（P<0.05）；软腭尖、会厌顶平面上气道的截面积及口
咽段最小截面积、软腭尖平面矢状径、横径与会厌顶平面横径均显著增大（P<0.05）；硬腭平面的截面积、横径与矢状径及会厌平面
的矢状径无显著变化（P>0.05）。软腭尖平面上气道的矢横径比显著增大，会厌顶平面的矢横径比显著减小（P<0.05）。结论：快速扩
弓前方牵引矫治替牙期骨性安氏Ⅲ类错合患者后上气道变大。 |
| 英文摘要: |
| Objective:To observe the influence on upper airway of skeletal class Ⅲ malocclusion patients in mixed dentition treated
with rapid maxillary protraction combined with maxillary expansion by CBCT.Methods:22 cases skeletal class Ⅲ malocclusion patients
in mixed dentition were selected and treated with rapid maxillary protraction combined with maxillary expansion. The changes of the size
and shape of upper airway before and after orthodontic treatment was detected.Results:Skeletal class Ⅲ malocclusion patients in mixed
dentition had a significantly larger volume of total airway, velopharynx, glossopharynx and oropharynx after treatment（P<0.05）. There
were a significantly larger cross-sectional area of SP, TE and minimumarea of oropharynx and a larger sagittal diameter and lateral diameter
of SP, a large lateral diameter of TE after treatment（P<0.05）. There were no significant changes in cross-sectional area of HP, sagittal
diameter and lateral diameter of HP, and sagittal diameter of TE（P>0.05）. There was a significantly larger sagittal diameter and lateral
diameter ratio of SP, but there was a significantly smaller sagittal diameter and lateral diameter ratio of TE after treatment（P<0.05）.Conclusion:Skeletal class Ⅲ malocclusion patients in mixed dentition had a larger upper airway after the treatment with rapid maxillary
protraction combined with maxillary expansion. |
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