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Evaluation of Midpalatal Suture Maturation using Cone-Beam Computed Tomography in Children and Adolescents

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ÀÌ¿¬ÁÖ ( Lee Yeon-Ju ) - ÀÌÈ­¿©ÀÚ´ëÇб³ ÀÇ°ú´ëÇÐ ¸ñµ¿º´¿ø ¼Ò¾ÆÄ¡°úÇб³½Ç
¸¶¿¬ÁÖ ( Mah Yon-Joo ) - ÀÌÈ­¿©ÀÚ´ëÇб³ ÀÇ°ú´ëÇÐ ¸ñµ¿º´¿ø ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

º» ¿¬±¸´Â 7¼¼ºÎÅÍ 15¼¼»çÀÌÀÇ ¼Ò¾Æû¼Ò³âÀ» ´ë»óÀ¸·Î ÃÔ¿µÇÏ¿© ȹµæÇÑ Cone beam computed tomography(CBCT) ¿µ»óÀ» ÀÌ¿ëÇÏ¿© Á¤Áß±¸°³ºÀÇÕÀÇ ¼º¼÷µµ¸¦ Æò°¡ÇÏ°í °ñ ¼º¼÷µµ ¹× ¿¬·É°úÀÇ ¿¬°ü¼ºÀ» ºÐ¼®ÇÏ¿© Rapid maxillary expansion(RME) Àû¿ë ½Ã ÀûÀýÇÑ Ä¡·á°èȹ ¼ö¸³ÀÇ Âü°íÀÚ·á·Î È°¿ëÇÏ°íÀÚ ÇÏ¿´´Ù. ³²¾Æ 240¸í, ¿©¾Æ 240¸í, ÃÑ 480¸íÀÇ CBCT ¼öÆò¸é ¿µ»ó¿¡¼­ Á¤Áß±¸°³ºÀÇÕÀÇ ¼º¼÷µµ¸¦5´Ü°è·Î Æò°¡ÇÏ¿´°í ¼öÁýµÈ ÀڷḦ °æÃß°ñ ¼º¼÷µµ ÃøÁ¤¹ý¿¡ ÀÇÇØ Æò°¡µÈ °ñ ¼º¼÷µµ ¹× ¿¬·É¿¡ µû¶ó Åë°èºÐ¼®À» ½ÃÇàÇÏ¿´´Ù.
Á¤Áß±¸°³ºÀÇÕ ¼º¼÷µµ¿Í °ñ ¼º¼÷µµ´Â 0.602ÀÇ °­ÇÑ »ó°ü°ü°è¸¦ º¸¿´À¸¸ç, ƯÈ÷ Á¤Áß±¸°³ºÀÇÕ ¼º¼÷µµ A - C´Ü°èÀÇ ¿¹ÃøÀ» À§ÇÑ °æÃß°ñ ¼º¼÷µµ 1 - 3´Ü°èÀÇ ¾ç¼º °ËÁ¤¿ìµµºñ´Â 44.79·Î¼­ ¿¹ÃøÀ» À§ÇÑ Å¸´çÇÑ ÁöÇ¥ÀÓÀ» ³ªÅ¸³»¾ú´Ù. Á¤Áß±¸°³ºÀÇÕ ¼º¼÷µµ¿Í ¿¬·ÉÀÇ »ó°ü°ü°è´Â ³²¾Æ¿¡¼­ 0.499, ¿©¾Æ¿¡¼­ 0.560À¸·Î ³ªÅ¸³ª °æÃß°ñ ¼º¼÷µµ º¸´Ù´Â ³·À¸³ª ºñ±³Àû ³ôÀº »ó°ü°ü°è¸¦ º¸¿´´Ù. µû¶ó¼­ °æÃß°ñ ¼º¼÷µµ ÃøÁ¤¹ýÀº Á¤Áß±¸°³ºÀÇÕÀÇ ¼º¼÷µµ ¿¹ÃøÀ» À§ÇÑ ½Å·ÚÇÒ ¸¸ÇÑ ÁöÇ¥¶ó°í ÇÒ ¼ö ÀÖÀ¸¸ç, ¿¬·ÉÀº °æÃß°ñ ¼º¼÷µµ ÃøÁ¤ÀÌ ¾î·Á¿î °æ¿ì¿¡ÇÑÇÏ¿© ÀÓ»ó¿¡¼­ °£ÆíÇÏ°í Á÷°üÀûÀÎ ÁöÇ¥·Î ¾²ÀÏ ¼ö ÀÖ´Ù.
¿¬±¸ °á°ú¸¦ Á¾ÇÕÇغ¸¸é RME »ç¿ë ½Ã °ñ°Ý¼º È¿°ú¸¦ ÃæºÐÈ÷ ¾òÀ» ¼ö ÀÖ´Â °ÍÀ¸·Î ±â´ë ÇÒ ¼ö ÀÖ´Â ½Ã±â´Â °æÃß°ñ ¼º¼÷µµ 1 - 3´Ü°è, ³²³à ¸ðµÎ ¿¬·É 12¼¼ ÀÌÇÏÀÌ¸ç °æÃß°ñ ¼º¼÷µµ 4´Ü°è ȤÀº ¿©¾Æ ¿¬·É 13¼¼ ¹× ³²¾Æ ¿¬·É 15¼¼±îÁö´Â conventional RMEÀÇ »ç¿ëÀº °¡´ÉÇϳª °ñ°Ý¼º È¿°ú´Â °¨¼ÒÇÏ°í Ä¡¼º È¿°ú°¡ Áõ°¡ÇÒ °ÍÀ¸·Î ¿¹»óµÈ´Ù. °æÃß°ñ ¼º¼÷µµ 5, 6´Ü°è ȤÀº ¿©¾Æ ¿¬·É 14¼¼ À̻󿡼­´Â RME ÇÊ¿ä ½Ã »ç¿ë ÇüŸ¦ °áÁ¤Çϱâ À§ÇØ Á¤Áß±¸°³ºÀÇÕ ¼º¼÷ ´Ü°è Æò°¡ ½Ã CBCT ÃÔ¿µÀÌ °í·ÁµÇ¾î¾ß ÇÑ´Ù.

This study aimed to analyze the association of midpalatal suture (MPS) maturation stages with skeletal maturation and age and to obtain references for establishing a treatment plan for rapid maxillary expansion (RME).
Cone-Beam Computed Tomography (CBCT) images from 480 children (240 boys, 240 girls) aged 7 - 15 years were obtained. MPS maturation stages and cervical vertebral maturation indicator (CVMI) were evaluated, and the correlations between MPS maturation stages, CVMI, and age were determined using the Spearman¡¯s correlation test. The positive likelihood ratio (LHR) of CVMI for MPS maturation stages was calculated.
MPS maturation stages and CVMI showed a strong correlation. Especially, CVMI 1 - 3 showed positive LHR greater than 10 for the diagnosis of stages A - C. MPS maturation stages and age were correlated strongly in girls and moderately in boys.
Conventional RME produces the most favorable skeletal effect at CVMI 1 - 3 or those up to 12 years of age and fewer skeletal effects at CVMI 4 or at 13 years of age in girls and 13 - 15 years in boys. It is recommended to evaluate MPS maturation stages using CBCT before RME application at CVMI 5, 6 or at 14, 15 years of age in girls.

Å°¿öµå

Midpalatal suture; Rapid maxillary expansion; Cone-beam computed tomography; Cervical vertebral maturation indicator

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