[1]任少春,门海艳,李洪发.成人骨性Ⅱ类错牙合口咽气道形态的CBCT研究[J].天津医科大学学报,2017,23(04):364-368.
　REN Shao-chun,MEN Hai-yan,LI Hong-fa.Cone-beam CT study for the oropharyngeal airway morphology of adults classⅡskeletal malocclusion[J].Journal of Tianjin Medical University,2017,23(04):364-368.
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成人骨性Ⅱ类错牙合口咽气道形态的CBCT研究(PDF)

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《天津医科大学学报》[ISSN:1006-8147/CN:12-1259/R]

Title:: Cone-beam CT study for the oropharyngeal airway morphology of adults classⅡskeletal malocclusion

作者:: 任少春¹; 2; 门海艳³; 李洪发¹; （1.天津医科大学口腔医院正畸科，天津 300070；2.天津市红桥口腔医院防治门诊，天津 300123；3.天津市河西口腔医院牙体牙髓科，天津300203）

Author(s):: REN Shao-chun¹; 2; MEN Hai-yan³; LI Hong-fa¹; (1. Department of Orthodontics, Stomatological Hospital, Tianjin Medical University, Tianjin 300070, China; 2. Department of Prevention and Treatment, Tianjin Hongqiao District Stomatological Hospital, Tianjin 300123, China; 3. Department of Endodontics, Tianjin Hexi District Stomatological Hospital, Tianjin 300203, China)

Keywords:: class Ⅱ skeletal malocclusion; oropharyngeal airway; cone-beam CT
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摘要:: 目的：应用锥形束CT(CBCT)测量成人骨性Ⅱ类错牙合患者口咽气道形态特征，分析上下颌骨的位置对气道的影响，为正畸临床评估骨性Ⅱ类错牙合患者气道三维结构，制定合理有效的治疗方案提供指导。方法：筛选CBCT资料，按纳入标准分为骨性Ⅱ类下颌后缩组和上颌前突组，以骨性Ⅰ类错牙合为对照组（各40例），采用Invivo 5软件测量相关指标并对数据进行统计分析。结果：在气道各段截面积、体积、矢状径、冠状径、气道角度及舌骨位置等测量项目上，骨性Ⅱ类下颌后缩组相对于骨性Ⅱ类上颌前突组及骨性Ⅰ类组有较显著的统计学差异（P<0.05）。骨性Ⅱ类下颌后缩患者明显呈现狭长、向后倾斜的口咽气道形态，而骨性Ⅰ类患者气道形态更为直立，且骨性Ⅱ类下颌后缩患者口咽气道截面最狭窄。结论：成人不同骨性错牙合畸形口咽气道三维特征不同，下颌骨矢状位置、长度较上颌骨对口咽气道形态影响更为显著。

Abstract:: Objective: To measure the oropharyngeal airway morphology of adults ClassⅡ skeletal malocclusion by cone-beam CT (CBCT) and analyze the influence on the position of the mandible on the airway to provide guidance for clinical treatment.Methods: One hundred and twenty cases were randomly selected from CBCT data and divided into three groups, including class Ⅰ skeletal malocclusion, class Ⅱ maxillary protrusion and mandibular retraction. Invivo5 software was used to measure correlation index. Results: On the measuring items of cross-sectional area, volume, sagittal diameter, crown diameter, airway angle and hyoid position, class Ⅱ mandibular retraction group had statistically significant differences from maxillary protrusion group(P<0.05). The pharyngeal airway morphology of class Ⅱ mandibular retraction was longer, narrower and more backward than class Ⅰ skeletal malocclusion. Furthermore, the cross-sectional area of class Ⅱ mandibular retraction was the narrowest one. Conclusion: The mandibular sagittal position and length have more significant influences on the morphology of the pharyngeal airway. The study states that the oropharynx airway morphologies of different skeletal malocclusions have significantly differences.