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Gonial AngleÀÇ ´Ü¼ø ȸ±Í ¸ðµ¨: Æijë¶ó¸¶ ¿µ»ó°ú Ãø¸ðµÎºÎ ¿µ»ó°£ÀÇ ºñ±³

The Simple Regression Model of Gonial Angles : Comparison between Panoramic Radiographs and Lateral Cephalograms

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¹Ú¼ºÈñ ( Park Sung-Hee ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø ¼Ò¾ÆÄ¡°úÇб³½Ç
±è¿µÀç ( Kim Young-Jae ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø ¼Ò¾ÆÄ¡°úÇб³½Ç
ÀÌ»óÈÆ ( Lee Sang-Hoon ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø ¼Ò¾ÆÄ¡°úÇб³½Ç
±èÁ¾Ã¶ ( Kim Chong-Chul ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø ¼Ò¾ÆÄ¡°úÇб³½Ç
Àå±âÅà( Jang Ki-Taeg ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

º» ¿¬±¸ÀÇ ¸ñÀûÀº Æijë¶ó¸¶ ¿µ»ó°ú Ãø¸ðµÎºÎ ¿µ»ó¿¡¼­ À¯ÀǹÌÇÑ »ó°ü°ü°è¸¦ °¡Áö´Â °èÃøÄ¡¸¦ È®ÀÎÇÏ°í, ±× °ü°è¸¦ ¼ö½ÄÈ­ÇÏ´Â °ÍÀÌ´Ù. 99¸íÀÇ 3±Þ ºÎÁ¤±³ÇÕ È¯ÀÚÀÇ Æijë¶ó¸¶ ¿µ»ó°ú Ãø¸ðµÎºÎ ¿µ»ó¿¡¼­ gonial angle, ÇϾÇÁö ³ôÀÌ, ÇϾÇÁßÀýÄ¡¿¡¼­ ÇϾÇÇÏ¿¬±îÁöÀÇ ±æÀ̸¦ ÃøÁ¤ÇÏ¿© Æò°¡ÇÏ¿´´Ù. ÃøÁ¤µÈ ¼öÄ¡´Â °¢°¢ ´ëÀÀ Ç¥º» T°ËÁõ, Pearson¡¯s »ó°ü°ü°è °ËÁ¤, ȸ±Í ºÐ¼®À» ÅëÇØ Æò°¡ÇÏ¿´´Ù.
Ãø¸ðµÎºÎ ¿µ»ó¿¡¼­ÀÇ gonial angle Æò±Õ°ªÀº 127.50¡Æ, Æijë¶ó¸¶ ¿µ»ó¿¡¼­ÀÇ °ªÀº 125.49¡Æ, »ó°ü°è¼ö´Â 0.945(p < 0.001)·Î ³ªÅ¸³µÀ¸
¸ç, »ó°ü°ü°è´Â ¡®Ãø¸ðµÎºÎ ¿µ»óÀÇ gonial angle = 0.920 ¡¿ Æijë¶ó¸¶ ¿µ»óÀÇ gonial angle + 12.072¡¯·Î ³ªÅ¸³¾ ¼ö ÀÖ´Ù. ´Ù¸¥ °èÃøÄ¡µé °£ÀÇ »ó°ü°ü°è´Â gonial angle¿¡ ºñÇØ ³·°Ô ³ªÅ¸³µ´Ù. Gonial angleÀº Æijë¶ó¸¶ ¿µ»ó°ú Ãø¸ðµÎºÎ ¿µ»ó¿¡¼­ ¸ðµÎ ÀçÇö¼º ÀÖ°Ô ÃøÁ¤ °¡´ÉÇϸç, °­ÇÑ ¾çÀÇ »ó°ü°ü°è¸¦ ³ªÅ¸³½´Ù. Æijë¶ó¸¶ ¿µ»ó ¶ÇÇÑ Ãø¸ðµÎºÎ ¿µ»ó°ú °°ÀÌ È¯ÀÚÀÇ ¼öÁ÷¼ºÀåÆÐÅÏÀ» Æò°¡Çϴµ¥ µµ¿òÀ» ÁÖ´Â ¹æ¹ýÀÌ´Ù.

The aim of this study was to enhancing the panoramic radiograph¡¯s clinical use for assessing mandibular measurements and formulating a function of those measurements from panoramic radiographs and lateral cephalograms in children. The panoramic radiographs and lateral cephalograms of 99 former orthodontic patients with skeletal class III malocclusion were selected. In each radiograph, gonial angles, ramus heights, and distance between lower incisors and symphysis were measured. The values of the studied parameters were compared by paired t-test, Pearson¡¯s correlation test and regression analysis. The mean value of the gonial angle in panoramic radiographs was 125.49¡Æ, and the value in lateral cephalograms was 127.50¡Æ. The Pearson¡¯s correlation coefficient (¥ñ ) between mean values of gonial angle in each radiograph was 0.945 (p < 0.001). The relationship between the gonial angle measurements obtained from each radiographs was represented as ¡®Gonial angle (Lateral cephalograms) = 0.920 X Average gonial angle (Panoramic radiographs) + 12.072¡¯ in the linear function. The coefficients of ramus heights, and distance between lower incisors and symphysis portrayed weaker correlations than gonial angles. A panoramic radiograph could be used to determine the gonial angle as accurately as a lateral cephalogram, and each gonial angle showed a strong positive relation. A panoramic radiograph is a useful tool for examining vertical growth pattern of patients, as well as a lateral cephalogram.

Å°¿öµå

Gonial angle; Æijë¶ó¸¶ ¿µ»ó; Ãø¸ðµÎºÎ ¿µ»ó; ÇϾǰñ
Gonial angle ;Panoramic radiograph ;Lateral cephalogram ;Mandible

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