Relationship of the airway size to the mandible distance in Chinese skeletal Class I and Class II adults with normal vertical facial pattern

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dc.contributor.authorFirwana, Alqassamen_US
dc.contributor.authorWang, Huaen_US
dc.contributor.authorSun, Lianen_US
dc.contributor.authorWang, Jialuen_US
dc.contributor.authorZhang, Wei-Bingen_US
dc.date.accessioned2020-01-02T06:46:24Z
dc.date.available2020-01-02T06:46:24Z
dc.date.issued2019-05
dc.description.abstractObjective: This study aims to evaluate the pharyngeal airway dimensions among Chinese adults in relation to Class I and Class II facial skeletal patterns using three-dimensional cone-beam computed tomography (CBCT) images. Materials and Methods: A total of 156 initial CBCT images were evaluated, which were classified into skeletal Class I and Class II according to ANB angle with mean (SD) age being 22.56 ± 4.0 years and 22.32 ± 3.6 years. The pharyngeal airway volume, airway area, minimum cross-sectional area (MCA) and the distance from uvula (tip of the soft palate) to mental spine (U-MS distance) were assessed with Dolphin imaging software. Results: Compared with Class I group, Class II group displayed significantly smaller pharyngeal airway volume, airway area and MCA (P <.01, P =0.03, and P =0.008, respectively), and shorter U-MS distance (P <.001). Comparing gender subgroups, the female subgroup showed the smallest airway measurement. Spearman correlation test results showed that the airway volume and area had a significant positive correlation with U-MS distance (r = 0.22, P = 0.005, and r = 0.28, P < 0.005, respectively) and negative correlation with ANB angle (r = −0.23, P = 0.002, and r = −0.21, P = 0.007, respectively). Conclusions: Pharyngeal airway volume, airway area, MCA, and the U-MS distance were smaller in skeletal Class II than Class I Chinese adult subjects and lower in female Class II subgroup. Additionally, there was a correlation observed between the mandibular distance (U-MS), ANB angle and airway size.en_US
dc.identifier.affiliationsDepartment of Orthodontics, Institute of Stomatology, Nanjing Medical University, Jiangsu Key Laboratory of Oral Diseases, Nanjing, Jiangsu, Chinaen_US
dc.identifier.citationFirwana Alqassam, Wang Hua, Sun Lian, Wang Jialu, Zhang Wei-Bing. Relationship of the airway size to the mandible distance in Chinese skeletal Class I and Class II adults with normal vertical facial pattern. Indian Journal of Dental Research. 2019 May; 30(3): 368-374en_US
dc.identifier.issn0970-9290
dc.identifier.issn1998-3603
dc.identifier.placeIndiaen_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/192242
dc.languageenen_US
dc.publisherIndian Society for Dental Researchen_US
dc.relation.issuenumber3en_US
dc.relation.volume30en_US
dc.source.urihttps://dx.doi.org/10.4103/ijdr.IJDR_526_18en_US
dc.subjectAdultsen_US
dc.subjectcone‑beam computed tomographyen_US
dc.subjectmandibleen_US
dc.subjectpharyngeal airwayen_US
dc.titleRelationship of the airway size to the mandible distance in Chinese skeletal Class I and Class II adults with normal vertical facial patternen_US
dc.typeJournal Articleen_US
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