지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.6
- 수록면
- 35 - 42 (8page)
- DOI
- 10.21851/obr.47.02.202306.35
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초록· 키워드
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This study aimed to assess the alterations in the pharyngeal airway space (PAS) due to mandibular advancement (MA) and mouth opening using lateral cephalograms and establish their relationship with surrounding structures that cause these changes. Twentyseven patients with a chief complaint of mandibular retrognathism (15 males and 12 females) were included. Two lateral cephalograms of each patient were obtained at different mandibular positions: centric occlusal and anterior edge-to-edge bite positions. To compare changes in the surrounding structures and PAS, paired t-test was employed. Correlation tests between the changes in the mandible and PAS were performed using Pearson correlation analysis. A statistically significant increase in the PAS was observed due to MA and mouth opening. The length of the tongue increased (p<0.001), whereas its height decreased (p<0.001). Furthermore, the soft palate advanced frontally (p<0.001), and the hyoid bone was displaced superiorly (p=0.001). A positive correlation was found between the changes in the mandible and PAS of the velopharyngeal area. In patients with growing mandibular retrognathism, MA and mouth opening increased the dimensions of the PAS due to improvements in the tongue, soft palate, and superior positioning of the hyoid bone.
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