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学科主题: 口腔医学
题名:
Effect of titrated mandibular advancement and jaw opening on the upper airway in nonapneic men: A magnetic resonance imaging and cephalometric study
作者: Gao, XM; Otsuka, R; Ono, T; Honda, E; Sasaki, T; Kuroda, T
刊名: AMERICAN JOURNAL OF ORTHODONTICS AND DENTOFACIAL ORTHOPEDICS
发表日期: 2004-02-01
DOI: 10.1016/S0889-5406(03)00508-0
卷: 125, 期:2, 页:191-199
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Dentistry, Oral Surgery & Medicine
研究领域[WOS]: Dentistry, Oral Surgery & Medicine
关键词[WOS]: OBSTRUCTIVE SLEEP-APNEA ; GENIOGLOSSUS MUSCLE-ACTIVITY ; TONGUE RETAINING DEVICE ; ORAL APPLIANCE ; BODY POSITION ; SIZE ; PROTRUSION ; DISORDERS ; POSTURE ; HEAD
英文摘要:

The aim of this study was to examine adaptive changes in the cross-sectional area of the upper airway during mandibular advancement and jaw opening and to explore whether these changes are directly related to morphologic features of the mandible. Fourteen nonapneic men participated in this study. A custom-made oral device was used to keep the mandible at 0% (F0V0), 50% (F50V0), 75% (F75V0), or 100% (F100V0) of maximum advancement, and at 50% (F75V50), 75% (F75V75), or 100% (F75V100) of maximum gape at F75V0. Magnetic resonance imaging was used to investigate differences in the upper-airway cross-sectional area in these 7 positions. To eliminate excessive individual variation, changes in the mean (mean%) and minimum (min%) cross-sectional area of the upper airway were calculated as percentages of those at F0V0. Cephalograms were taken to analyze morphologic features of the mandible. A dose-dependent change was seen when the mandible was advanced. The min% in F100V0 was significantly greater than those in F50V0 and F75V0. The change in the upper airway size varied between subjects during jaw opening. At F75V0, the min% of the whole upper airway was significantly associated with morphologic features of the mandible, such as the mandibular plane angle and lengths of the mandibular body and ramus.

语种: 英语
WOS记录号: WOS:000188968700013
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/66774
Appears in Collections:北京大学口腔医学院_牙周科_期刊论文

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作者单位: 1.Tokyo Med & Dent Univ, Grad Sch, Dept Maxillofacial Orthognath, Bunkyo Ku, Tokyo 1138549, Japan
2.Peking Univ, Sch Stomatol, Dept Orthodont, Beijing, Peoples R China
3.Tokyo Med & Dent Univ, Grad Sch, Dept Oral & Maxillofacial Radiol, Tokyo, Japan
4.Univ Tokushima, Dept Oral & Maxillofacial Radiol, Tokushima, Japan

Recommended Citation:
Gao, XM,Otsuka, R,Ono, T,et al. Effect of titrated mandibular advancement and jaw opening on the upper airway in nonapneic men: A magnetic resonance imaging and cephalometric study[J]. AMERICAN JOURNAL OF ORTHODONTICS AND DENTOFACIAL ORTHOPEDICS,2004,125(2):191-199.
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