Cephalometric analysis of the pharyngeal airway space after maxillary advancement surgery

Junya Aoki, Keiji Shinozuka, Kanako Yamagata, Ryota Nakamura, Takako Sato, Saori Ohtani, Shouhei Ogisawa, Keiichi Yanagawa, Morio Tonogi

研究成果: ジャーナルへの寄稿記事査読

4 被引用数 (Scopus)

抄録

This study evaluated the effect of maxillary advancement surgery on the size of the pharyngeal airway space (PAS). Lateral cephalometric radiographs were collected for 90 patients (29 men and 61 women; average age, 27.2 ± 8.1 years) before (T1) and 1 year after (T2) maxillary advancement surgery. Horizontal and vertical changes in the maxilla and PAS were measured and classified by distance. The maxilla was advanced horizontally by 2.9 ± 1.7 mm and vertically by 2.7 ± 1.4 mm. Upward maxillary movement of ≥4 mm significantly increased PAS (mean change in PAS, 2.6 mm), and upward maxillary movement significantly decreased the posterior nasal spine to the P-point. Only patients with vertical advancement ≥4 mm and horizontal advancement of 3 mm had significant increases in all three PAS parameters. Although forward maxillary movement is believed to have a large effect on PAS, it is suggest that upward vertical movement is more effective for improving PAS. Both the extent and direction of maxillar movement should be considered. Future studies should use cone-beam computed tomography to evaluate the effect of axial direction and differences in PAS.

本文言語英語
ページ(範囲)529-533
ページ数5
ジャーナルJournal of Oral Science
61
4
DOI
出版ステータス出版済み - 2019

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