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Comparison of cephalometric norms between Mongolian and Korean adults with normal occlusions and well-balanced profiles

Korean Journal of Orthodontics 2011³â 41±Ç 1È£ p.42 ~ 50
±èÁöȯ, Odontuya Gansukh, Bazar Amarsaikhan, À̽ÅÀç, ±èÅ¿ì,
¼Ò¼Ó »ó¼¼Á¤º¸
±èÁöȯ ( Kim Ji-Hwan ) - Seoul National University School of Dentistry Department of Orthodontics
 ( Odontuya Gansukh ) - Seoul National University School of Dentistry Department of Orthodontics
 ( Bazar Amarsaikhan ) - Health Science University of Mongolia The School of Dentistry Department of Prosthodontics and Orthodontics
À̽ÅÀç ( Lee Shin-Jae ) - Seoul National University School of Dentistry Department of Orthodontics
±èÅ¿ì ( Kim Tae-Woo ) - Seoul National University School of Dentistry Department of Orthodontics

Abstract

ÇöÀç±îÁö ¸ù°ñÀÎÀÇ Ãø¸ðµÎºÎ°èÃø¹æ»ç¼±ÇÐÀû ±âÁØÄ¡°¡ ¹®Çå »óÀ¸·Î º¸°íµÈ ¹Ù°¡ ¾ø¾ú´ø ¹Ù, º» ¿¬±¸ÀÇ ¸ñÀûÀº Á¤»ó±³ÇÕ°ú Á¶È­·Î¿î Ãø¸ð¸¦ °¡Áø ¸ù°ñÀÎÀ» ¼±º°ÇÏ¿© Ãø¸ðµÎºÎ°èÃø¹æ»ç¼±ÇÐÀû ±âÁØÄ¡¸¦ Á¦½ÃÇÏ°í, À̸¦ °°Àº ±âÁØÀ¸·Î ¼±º°ÇÑ Çѱ¹ÀÎÀÇ ±âÁØÄ¡¿Í ºñ±³ÇÏ´Â °ÍÀÌ´Ù. Á¶È­·Î¿î Ãø¸ð¸¦ °¡Áø 74¸íÀÇ ¸ù°ñÀÎ(³²ÀÚ 35¸í, ¿©ÀÚ 39¸í)°ú 95¸íÀÇ Çѱ¹ÀÎ(³²ÀÚ 52¸í, ¿©ÀÚ 43¸í) ¼ºÀÎ Á¤»ó±³ÇÕÀÚµéÀÇ Ãø¸ðµÎºÎ°èÃø¹æ»ç¼± »çÁøÀ» äµæÇÏ¿´´Ù. À̵éÀº ÇØ´ç ¹ÎÁ·°ú ±¹ÀûÀÇ ±³Á¤ÀÇ»çµéÀÇ Æò°¡·Î ¼±º°µÇ¾ú´Ù. 40°³ÀÇ °èÃøÄ¡¿¡ ´ëÇÏ¿© ¹ÎÁ·º°, ¼ºº° Æò±Õ ¹× Ç¥ÁØÆíÂ÷¸¦ »êÃâÇÑ ÈÄ, ±× Â÷À̸¦ ananlysis of covariance (ANCOVA)·Î °ËÁ¤ÇÏ¿´´Ù. Á¶È­·Î¿î Ãø¸ð¸¦ °¡Áø ¸ù°ñÀΰú Çѱ¹ÀÎ ³²³à ¼ºÀÎ Á¤»ó±³ÇÕÀÚÀÇ Ãø¸ðµÎºÎ¹æ»ç¼±ÇÐÀû ±âÁØÄ¡¸¦ ¾ò¾ú´Ù. °ñ°Ý¼º ¼± °èÃøÄ¡¿Í ¼öÁ÷Àû °ñ°Ý °ü°è¿¡¼­ ¼ºº° °£ÀÇ À¯ÀÇÇÑ Â÷ÀÌ°¡ ³ªÅ¸³µ´Ù. ¸ù°ñÀÎÀº Çѱ¹Àο¡ ºñÇÏ¿© ªÀº Àü¾È¸é °í°æ, µ¹ÃâµÈ À̺Î, ¼³Ãø°æ»çµÈ »ó¾Ç ÀüÄ¡¸¦ ³ªÅ¸³»¾úÀ¸³ª, ´ëºÎºÐÀÇ °èÃøÄ¡ °£ Æò±Õ Â÷ÀÌ°¡ Àû¾î ÀÓ»óÀû Àǹ̴ Àû¾ú´Ù. ¸ù°ñÀΰú Çѱ¹ÀÎ ¼ºÀΠȯÀÚÀÇ ±³Á¤Ä¡·á¸¦ À§ÇÑ Áø´Ü°ú Ä¡·á°èȹ ½Ã¿¡ À¯»çÇÑ ±âÁØÀ» Àû¿ëÇÒ ¼ö ÀÖÀ» °ÍÀ̶ó°í »ý°¢µÇ¾ú´Ù.

Objective : The purposes of this study were to establish cephalometric norms of Mongolian adults, which have not previously been reported in orthodontic journals, and to compare them with cephalometric norms of Korean adults.

Methods: Lateral cephalometric radiographs of 74 Mongolian adults (35 men, 39 women) and 95 Korean adults (52 men, 43 women) with normal occlusions and well-balanced lateral profiles were obtained. The subjects were chosen by orthodontists of the same ethnic background. Forty craniofacial variables were measured, and groups were compared by analysis of covariance.

Results: The cephalometric norms for male and female Mongolian and Korean adults with normal occlusions and well-balanced lateral profiles were established. Sexual dimorphism was found in linear skeletal measurements and vertical skeletal relationships. Compared with Korean adults, Mongolian adults had shorter anterior facial height, more prominent chins, and more upright upper incisors. There were few differences in soft tissue measurements. The differences were statistically significant, but their clinical importance may be limited.

Conclusions : Cephalometric differences can be considered, but little difference may exist in the orthodontic diagnosis and treatment planning of Mongolian and Korean adults.

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Cephalometrics; Ethnic norms

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