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KMID : 0855520170300040145
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Korean Journal of Physical Anthropology
2017 Volume.30 No. 4 p.145 ~ p.151
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Study on Airway Size in Class III Malocclusion by the Gender
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Lee Seung-Hun
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Abstract
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The purpose of this study was to investigate the difference of airway between skeletal Class III malocclusion according to gender and to analyze the relationship between airway size and oral maxillofacial position. The total of 40 study subjects was sampled by judgment sampling, who were under 1 degree ANB and who wanted orthognathic surgery. They were taken with lateral cephalometric radiograph and the photos were used for final analysis. The variables were calculated using mean and standard deviation, those were analyzed by independent t-test, Pearson’s correlation coefficient and multiple regression analysis. It was located forward than the female that was the measurements of frontal bone, maxilla, mandible, and mentum in the male. The laryngeal pharynx size of the hard and soft tissues was also longer than the female. It was not statistically significant that was the correlation between the variables and the oral pharynx size. However, the width of the laryngeal pharynx increased with male and mandibular protrusion, and it was increased with the position of the anterior of frontal bone, maxilla, and mentum. The variables affecting the airway size are the laryngeal pharynx width of the hard and soft tissue.
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KEYWORD
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Airway, Lateral cephalometric radiograph, Skeletal Class III malocclusion
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