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Assessment of Midpalatal Suture Maturation by Skeletal Maturity on Hand Wrist Radiographs

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À¯´Ù¿­ ( Yu Da-Yeol ) - Ewha Womans University Mokdong Hospital Department of Dentistry Division of Pediatric Dentistry
±èµ¿Çö ( Kim Dong-Hyun ) - Ewha Womans University Mokdong Hospital Department of Dentistry Division of Pediatric Dentistry

Abstract

ÀÌ ¿¬±¸ÀÇ ¸ñÀûÀº 7¼¼ºÎÅÍ 15¼¼ »çÀÌ ¼Ò¾Æû¼Ò³âÀ» ´ë»óÀ¸·Î Á¤Áß±¸°³ºÀÇÕÀÇ ¼º¼÷µµ¿Í SMI ¹× MP3 ¹æ¹ýÀ¸·Î Æò°¡µÈ °ñ ¼º¼÷µµ¿ÍÀÇ ¿¬°ü¼ºÀ» ºÐ¼®ÇÏ°í ¼ö¿ÏºÎ °ñ ¼º¼÷µµ¿Í ÁßÁöÀÇ ÁßÀý°ñ ¼º¼÷µµ°¡ Á¤Áß±¸°³ºÀÇÕ ¼º¼÷ ´Ü°è¸¦ ¿¹ÃøÇÒ ¼ö ÀÖ´Â ÁöÇ¥·Î »ç¿ëµÉ ¼ö ÀÖ´ÂÁö ¾Ë¾Æº¸±â À§ÇÔÀÌ´Ù. À̹ø ¿¬±¸ ´ë»óÀº ¹«ÀÛÀ§·Î ¼±ÅÃµÈ 7¼¼ºÎÅÍ 15¼¼ »çÀÌ ³²ÀÚ 132¸í°ú ¿©ÀÚ 135¸íÀ¸·Î ±³Á¤ Ä¡·á Àü ±³Á¤ Áø´ÜÀ» À§ÇØ ÃÔ¿µ µÇ¾ú´ø CBCT ¼öÆò¸é ¿µ»ó ÀÌ¿ëÇÏ¿© Á¤Áß±¸°³ºÀÇÕÀÇ ¼º¼÷µµ¸¦ 5´Ü°è·Î Æò°¡ÇÏ¿´°í ¼ö¿ÏºÎ ¹æ»ç¼± »çÁøÀ» ÀÌ¿ëÇÏ¿© °ñ¼º¼÷µµ¸¦ Æò°¡ÇÏ¿´´Ù.
Á¤Áß±¸°³ºÀÇÕ ¼º¼÷µµ¿Í SMI ¹æ¹ýÀ¸·Î Æò°¡µÈ °ñ ¼º¼÷µµ´Â0.905, MP3 ¹æ¹ýÀ¸·Î Æò°¡µÈ °ñ ¼º¼÷µµ´Â 0.830À¸·Î °­ÇÑ »ó°ü°ü°è¸¦ º¸¿´´Ù. Á¤Áß±¸°³ºÀÇÕ ¼º¼÷µµ¿Í ¿¬·ÉÀÇ »ó°ü°ü°è´Â 0.868À¸·Î ³ªÅ¸³ª ºñ±³Àû ³ôÀº »ó°ü°ü°è¸¦ º¸¿´´Ù.
À̹ø ÈÄÇâÀû ¿¬±¸¸¦ ÅëÇØ °ñ ¼º¼÷µµ Æò°¡¸¦ À§ÇÑ SMI¿Í MP3 ¹æ¹ýÀº Á¤Áß±¸°³ºÀÇÕ ¼º¼÷µµ¸¦ ¿¹ÃøÇÒ ¼ö ÀÖ´Â ÁöÇ¥·Î »ç¿ëµÉ ¼ö ÀÖÀ½ÀÌ Áõ¸í µÇ¾úÀ¸¸ç SMI ¹æ¹ýÀÌ MP3 ¹æ¹ýº¸´Ù ´õ ³ªÀº ½Å·Ú¼ºÀ» º¸¿´´Ù. µû¶ó¼­ Á¤Áß±¸°³ºÀÇÕ ¼º¼÷µµ Æò°¡°¡ ÇÊ¿äÇÑ ¸ðµç ¼Ò¾ÆȯÀÚµéÀ» ´ë»óÀ¸·Î CBCTÃÔ¿µÇÏ´Â °ÍÀº ºÒÇÊ¿äÇÒ ¼ö ÀÖÀ¸¸ç CBCT¿Í ´ëü °¡´ÉÇÑ SMI ¿Í MP3 ¹æ¹ýÀº ÃÖ¼ÒÀÇ ¹æ»ç¼± ÇÇÆøÀ¸·Î °£´ÜÇÏ°Ô ¼ºÀå±â ¾Æµ¿ÀÇ ¾ÇÁ¤Çü ÀåÄ¡ÀÇ ÃÖÀûÀÇ Ä¡·á ½Ã±â °áÁ¤ÀÇ Âü°íÀÚ·á·Î È°¿ëµÉ ¼ö ÀÖÀ» °ÍÀÌ´Ù.

The aim of this retrospective study was to evaluate the correlation between the midpalatal suture maturation and skeletal maturation in growing children aged 7 - 15 years and predict the maturational stages of the midpalatal suture corresponding to skeletal maturity assessed by the skeletal maturation indicators (SMI) and middle phalanx of the third finger (MP3) stages.
The group of this retrospective study was consisted of randomly selected 132 male and 135 female in age from 7 - 15 years. The maturation of the midpalatal suture was evaluated by using images from cone-beam computed tomography (CBCT) while the skeletal age was assessed by hand-wrist radiography. CBCT images and hand-wrist radiographs used in this study were obtained from all subjects for orthodontic diagnosis before orthodontic treatment.
The maturational stages of the midpalatal suture showed strong correlations with both SMI and MP3 stages. The correlation between the midpalatal suture maturation and SMI (Spearman¡¯s correlation coefficient, ?S = 0.905, p < 0.05) was slightly greater than that of MP3 stages (?S = 0.830, p < 0.05). There was a positive significant correlation between the midpalatal suture maturation and chronological age (?S = 0.868,p < 0.05).
CBCT for evaluation of the midpalatal suture maturational stages may be unnecessary in every pediatric patients because SMI and MP3 stages were both replaceable useful methods for assessing maturation of the midpalatal suture before orthopedic treatment. In this retrospective study, the diagnostic reliability of the SMI method for estimating midpalatal suture maturation showed better reliability than the MP3 method.

Å°¿öµå

Midpalatal suture; Hand-wrist radiography; Skeletal maturation; Orthopedics

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