Two-dimensional and volumetric airway changes after bimaxillary surgery for class III malocclusion

• 발행기관: 대한구강악안면외과학회
• 저자명: Toraj Vaezi Seyed Hossein Hosseini Zarch Majid Eshghpour Hamed Kermani
• 간행물 정보: 『대한구강악안면외과학회지』대한구강악안면외과학회지 제43권 제2호, 88~93쪽, 전체 6쪽
• 주제분류: 의약학 > 내과학
• 파일형태: PDF
• 발행일자: 2017.04.30

영문 초록

Objectives: Any change in maxilla and mandible position can alter the upper airway, and any decrease in the upper airway can cause sleep disorders. Thus, it is necessary to assess airway changes after repositioning of the maxilla and mandible during orthognathic surgery. The purpose of this study was to evaluate linear and volumetric changes in the upper airway after bimaxillary surgery to correct class III malocclusion via cone-beam computed tomography (CBCT) and to identify correlations between linear and volumetric changes. Materials and Methods: This was a prospective cohort study. CBCTs from 10 class III patients were evaluated before surgery and three months after. The Wilcoxon one-sample test was used to evaluate the differences in measurements before and after surgery. Spearman’s rank correlation coefficient was used to test the correlation between linear and volumetric changes. Results: The results show that the nasopharyngeal space increased significantly, and that this increase correlated with degree of maxillary advancement. No significant changes were found in volumes before and after surgery. A correlation was found between linear and volumetric oropharyngeal changes. Conclusion: Bimaxillary surgical correction of class III malocclusion did not cause statistically significant changes in the posterior airway space.

목차

Abstract

I. Introduction

II. Materials and Methods

III. Results

IV. Discussion

V. Conclusion

References

키워드

Malocclusion Upper airway Bimaxillary orthognathic surgery Computed tomography