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The Three Dimensional Analysis on Nasal Airway Morphology in Class III Malocclusion

±è¹®È¯, Á¤µ¿È­, Â÷°æ¼®, ÀÌÁø¿ì,
¼Ò¼Ó »ó¼¼Á¤º¸
±è¹®È¯ ( Kim Moon-Hwan ) - ´Ü±¹´ëÇб³
Á¤µ¿È­ ( Jung Dong-Hwa ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ±³Á¤Çб³½Ç
Â÷°æ¼® ( Cha Kyung-Suk ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ±³Á¤Çб³½Ç
ÀÌÁø¿ì ( Lee Jin-Woo ) - ´Ü±¹´ëÇб³

Abstract

¼­¾çÀο¡ ºñÇØ Çѱ¹Àο¡¼­ È£¹ß ÇÏ´Â III±Þ ºÎÁ¤±³ÇÕÀº ÇÔ¸ôµÈ Á߾ȸð¿Í ´õºÒ¾î µ¹ÃâµÈ Çϼø°ú ÇϾǰñ·Î ÀÎÇØ ±â´ÉÀû, ½É¹ÌÀû, ½É¸®Àû ¹®Á¦¸¦ ¾ß±âÇÏ°Ô µÈ´Ù. ÀÌ·¯ÇÑ ÀÎÁ¾Àû Ư¼º¿¡ µû¸¥ ¹ß»ý ºóµµÀÇ Â÷ÀÌ¿¡ µû¶ó ±âÁ¸ÀÇ ¿¬±¸µéÀº ÁÖ·Î nasal airway Æó¼â¿Í II±Þ ºÎÁ¤±³ÇÕ°úÀÇ °ü°è¿¡ ´ëÇÑ °ÍÀÌ ´ëºÎºÐÀ̾ú´Ù. ¶ÇÇÑ ÀÌ·¯ÇÑ ¿¬±¸µéÀº ÀÚ·á äµæÀÌ ¿ëÀÌÇÑ ¹Ý¸é 2Â÷¿øÀû ÇѰ踦 °¡Áö°í ÀÖ´Â Ãø¸ð µÎºÎ¹æ»ç¼± °èÃø»çÁøÀ» ÀÌ¿ëÇÑ ¿¬±¸°¡ ´ëºÎºÐÀ̾ú´Ù. ÀÌ¿¡ º» ¿¬±¸´Â III±Þ ºÎÁ¤±³ÇÕÀÚ¿Í Á¤»ó±³ÇÕÀÚÀÇ nasal airwayÀÇ ÇüŸ¦ 3Â÷¿ø Àü»êÈ­ ´ÜÃþÃÔ¿µÀ» ÅëÇØ ¾ò¾îÁø ÀÔü ¿µ»óÀ¸·Î À籸¼ºÇÑ ¸ðµ¨À» ÀÌ¿ëÇÏ¿© ºñ±³ÇØ º¸°íÀÚ ½ÃÇàµÇ¾ú´Ù. ¿¬±¸ ´ë»óÀ¸·Î¼­ ½ÇÇ豺À¸·Î °ñ°Ý¼º III±Þ ºÎÁ¤±³ÇÕÀ¸·Î Áø´ÜµÇ¾î ¾Ç±³Á¤ ¼ö¼úÀ» À§ÇÑ ¼ú Àü ±³Á¤Ä¡·á¸¦ ¹Þ±â·Î ¿¹Á¤µÈ ÃÑ 16¸í(³²¼º 7¸í,¿©¼º 9¸í)°ú ´ëÁ¶±ºÀ¸·Î ÀÓ»óÀûÀ¸·Î Á¤»óÀûÀÎ ±³ÇÕ°ü°è¸¦ º¸ÀÌ¸ç ±³Á¤Ä¡·á¿Í º¸Ã¶Ä¡·áÀÇ °æÇèÀÌ ¾ø´Â Á¤»ó ±³ÇÕÀÚ 13¸í(³²¼º 7¸í,¿©¼º 6¸í)À» ¼±Á¤ ÇÏ¿´´Ù. µÎ°³°ñÀÇ Àü»êÈ­ ´ÜÃþÃÔ¿µ(Computed Tomograph / CT)À» ½ÃÇàÇÑ ÈÄ ¾òÀº ¿µ»óÁ¤º¸¸¦ ÀÌ¿ëÇÏ¿© nasal airway¿Í µÎ°³°ñÀÇ 3Â÷¿ø ÀÔü¿µ»óÀ» Á¦ÀÛÇÏ¿´´Ù. ÀÌ·¯ÇÑ ÀÔü¿µ»óÀ» °¡Áö°í nasal airwayÀÇ Àý´ëÀû, »ó´ëÀû ºÎÇÇ, ´Ü¸éÀûÀÇ ºñ±³¸¦ ½ÃÇàÇÏ¿´À¸¸ç °á°ú´Â ´ÙÀ½°ú °°¾Ò´Ù. 1. µÎ ±º »çÀÌ¿¡ Àý´ëÀû »ó±âµµ ºÎÇÇ ºñ±³¿¡ À־ ½ÇÇ豺ÀÇ ±¸ÀεΠũ±â°¡ ´ëÁ¶±º¿¡ ºñÇØ Å©°Ô ³ªÅ¸³µÀ¸¸ç, ³ª¸ÓÁö Ç׸ñ¿¡¼­´Â µÎ ±º »çÀÌ¿¡ À¯ÀÇÇÑ Â÷ÀÌ°¡ ³ªÅ¸³ªÁö ¾Ê¾Ò´Ù. 2. µÎ ±º »çÀÌ¿¡ »ó´ëÀû »ó±âµµ ºÎÇÇ ºñ±³¿¡ À־ ½ÇÇ豺ÀÇ ±¸ÀεΠºÎÇÇ°¡ ´ëÁ¶±º¿¡ ºñÇØ Å©°Ô ³ªÅ¸³µÀ¸¸ç, ³ª¸ÓÁö Ç׸ñ¿¡¼­´Â µÎ ±º »çÀÌ¿¡ À¯ÀÇÇÑ Â÷ÀÌ´Â ³ªÅ¸³ªÁö ¾Ê¾Ò´Ù. 3. µÎ ±º »çÀÌ¿¡ ±¸ÀεΠÆø°æº¯È­ ¾ç»óÀº À¯»çÇÏ°Ô ³ªÅ¸³ª ÇϹæÀ¸·Î °¥¼ö·Ï Á¡Á¡ °¨¼ÒÇÏ´Ù ´Ù½Ã Áõ°¡ÇÏ´Â ¾ç»óÀ» º¸¿´À¸¸ç ¸ðµç ºÎÀ§¿¡¼­ ´ëÁ¶±º¿¡ ºñÇØ ½ÇÇ豺ÀÇ Æò±Õ Æø°æÀÌ Å©°Ô ³ªÅ¸³µ´Ù. 4. Ãø¸é¿¡¼­ÀÇ »ó±âµµ Æò±Õ ±âµµ ¸¸°îµµ¸¦ ³ªÅ¸³»´Â ±×·¡ÇÁ »ó¿¡ À־ µÎ ±º »çÀÌ¿¡ À¯»çÇÑ ¾ç»óÀÌ ³ªÅ¸³µ´Ù.

In Angle¡¯s Class III malocclusion, which has higher incidence in Korean than Western, depressed midfacial profile with protruded lower lips and mandible may give rise to many functional, esthetic, psychological, social problems. Due to the different malocclusion incidence according to racial differences, many previous studies focused on the relationship between Class II malocclusion and nasal airway obstruction. Previous studies used lateral cephalography which has limitations of 2 dimensional image with projection error and identification error. Therefore, the purpose of this study was to analyze morphologic differences in the nasal airway between normal occlusion and Angle¡¯s Class III malocclusion patients using 3-dimensional facial computed tomography. Thirteen normal occlusion(7 men and 6 women) and sixteen skeletal Class III(7 men and 9 women) patients were selected and 3-dimensional facial computed tomography taking was performed. Comparison between two group in volume and sectional area of nasal airway were carried out. The results were followed. 1. In the comparison of absolute nasal airway volume, oropharyngeal space of experimental group were larger than control group but there are no significant difference in other. 2. In the comparison of relative nasal airway volume, oropharyngeal space of experimental group were larger than control group but there are no significant difference in other. 3. In the oropharyngeal space width on frontal and lateral view, the similar tendency was revealed between two groups. 4. In the lateral curvature of nasal airway, the similar tendency was revealed between two groups.

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3Â÷¿ø ¿µ»ó;III±Þ ºÎÁ¤±³ÇÕ;nasal airway ÇüÅÂ
3-D imaging;Class III malocclusion;Nasal Airway

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