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Comparison of Dental Age and Skeletal Maturity in Korean Children with Skeletal Malocclusion

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±èÁö¿¬ ( Kim Jee-Youn ) - ÇѸ²´ëÇб³ ¼º½Éº´¿ø ¼Ò¾ÆÄ¡°ú
¿À¼ÒÈñ ( Oh So-Hee ) - ÇѸ²´ëÇб³ ¼º½Éº´¿ø ¼Ò¾ÆÄ¡°ú

Abstract

ÀÌ ³í¹®ÀÇ ¸ñÀûÀº °ñ ¼º¼÷µµ¿Í Ä¡¾ÆÀÇ ¼º¼÷µµ¸¦ °ñ°ÝÀû ºÎÁ¤±³ÇÕ¿¡ µû¶ó °ü·Ã¼ºÀ» ¾Ë¾Æº¸´Â °ÍÀÌ´Ù. 6¼¼¿¡¼­ 14¼¼¿¡ À̸£´Â ÃÑ 192¸íÀÇ È¯ÀÚ(89¸íÀÇ ³²ÀÚ, 103¸íÀÇ ¿©ÀÚ)¸¦ ´ë»óÀ¸·Î ÇÏ¿´À¸¸ç Ãø¸ð µÎºÎ ¹æ»ç¼± »çÁø, Æijë¶ó¸¶ ¹æ»ç¼± »çÁø, ¼ö¿ÏºÎ ¹æ»ç¼± »çÁøÀ» »ç¿ëÇÏ¿´°í ½ÉÇÑ ÁúȯÀ» °¡Áø °æ¿ì´Â Á¦¿ÜÇÏ¿´´Ù. Åë°è´Â À̺йý, chi-square, logistic regression analysis, independent t-test¸¦ »ç¿ëÇÏ¿© ºÐ¼®ÇÏ¿´´Ù. °ßÄ¡, Á¦1´ë±¸Ä¡, Á¦2´ë±¸Ä¡ÀÇ ¼®È¸È­´Â °ñ ¼º¼÷µµ¿Í ¿¬°ü¼º(p < 0.05)À» º¸¿´°í ¶ÇÇÑ °ñ ¼º¼÷µµ°¡ ³ôÀº °æ¿ì, ¿©ÀھÀÌ ÀÏ °æ¿ì°¡ 11.43¹è ³ô¾Ò´Ù(p < 0.001). class II ºÎÁ¤±³ÇÕÀÏ °æ¿ì, °ßÄ¡, Á¦1¼Ò±¸Ä¡, Á¦1´ë±¸Ä¡, Á¦2´ë±¸Ä¡ÀÇ Ä¡¾Æ ¼®È¸È­ Á¤µµ°¡ class III ºÎÁ¤±³ÇÕÀÚ¿¡ ºñÇØ ³ô¾Ò´Ù(p < 0.05). Ä¡¾ÆÀÇ ¼®È¸È­¿Í °ñ ¼º¼÷µµÀÇ ¿¬°ü¼ºÀº ³ô¾ÒÀ¸¸ç class II¿Í class III ºÎÁ¤±³ÇÕȯÀÚÀÇ Ä¡¾ÆÀÇ ¼º¼÷µµ´Â Ä¡¾Æ¿¡ µû¶ó ´Ù¸¥ ¼º¼÷µµ¸¦ º¸¿´´Ù.

The purpose of this study was to compare skeletal maturity index and dental developmental stages based on skeletal malocclusion. A total of 192 patients (89 male and 103 female) between 6 to 14 years old were selected for this study and underwent cephalograms, panorama radiographs, and hand-wrist radiographs. Any syndromic cases were excluded. Selected clinical parameters were dichotomised for statistical analysis. Chi-square, logistic regression analysis, and independent t-tests were used for the statistical evaluation. Canine, first molar, and second molar calcification were significantly associated with skeletal maturity in the logistic regression model (p < 0.05). In addition, patients who had higher skeletal maturity index were 11.43 times more likely to be female than those who had lower skeletal maturity index (p < 0.001). The patients with skeletal class II malocclusion displayed significantly higher dental developmental stage in canines, first premolars, first molars, and second molars than the patients with class III malocclusion (p < 0.05). The dental developmental stage of the patients was significantly associated with skeletal maturity. In addition, there was a significant difference between class II and class III malocclusion with some types of tooth calcification.

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°ñ ¼º¼÷µµ; ¿ª·É; Ä¡¾ÆÀÇ ¼º¼÷µµ; °ñ°ÝÀû ºÎÁ¤±³ÇÕ; Çѱ¹ ¾î¸°ÀÌ
Skeletal maturity index; Chronological age; Dental developmental stage; Skeletal malocclusion; Korean children sample

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