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THE EFFECT AND RELAPSE PATTERN OF FACEMASK THERAPY FOR CLASS III MALOCCLUSION CHILDREN

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Abstract

º» ¿¬±¸ÀÇ ¸ñÀûÀº À¯Ä¡¿­±â 3±Þ ºÎÁ¤ ±³ÇÕ È¯¾Æ¿¡¼­ facemask¸¦ ÀÌ¿ëÇÑ ¾ÇÁ¤Çü Ä¡·á ÈÄ °ñ°ÝÀû º¯È­¿Í Ä¡·á ÈÄ ³ªÅ¸³ª´Â Àç¹ß ¾ç»óÀ» Æò°¡ÇÏ´Â °ÍÀÌ´Ù. À¯Ä¡¿­±â 3±Þ ºÎÁ¤±³ÇÕ È¯¾Æ 15¸íÀ» ´ë»óÀ¸·Î ±¸³»ÀåÄ¡·Î bonded expander, ±¸¿ÜÀåÄ¡·Î facemask¸¦ ÀÌ¿ëÇÑ ¾ÇÁ¤Çü Ä¡·á¸¦ Æò±Õ 12 °³¿ù µ¿¾È ½ÃÇàÇÏ¿´À¸¸ç, 1³â °£ÀÇ follow-up ±â°£ µ¿¾È À¯Áö ÀåÄ¡´Â »ç¿ëµÇÁö ¾Ê¾Ò´Ù. Ä¡·á ½ÃÀÛ Àü, Ä¡·á Á÷ÈÄ, Ä¡·á 1³â ÈÄ¿¡ Ãø¸éµÎºÎ¹æ»ç¼±»çÁøÀ» ÃÔ¿µÇÏ°í ÀüÈÄ¹æ ¹× ¼öÁ÷Àû °ñ°Ý°ü°è¿Í ¿¬Á¶Á÷ÀÇ º¯ È­¸¦ ºñ±³ºÐ¼®ÇÏ¿´´Ù. ¸ðµç ȯ¾Æ¿¡¼­ Ä¡·á Á÷ÈÄ, À¯ÀÇÇÒ ¸¸ÇÑ °ñ°ÝÀû ÀüÈÄ¹æ °ü°èÀÇ º¯È­¸¦ º¸¿´°í 1³â °£ÀÇ follow-up ±â°£ µ¿¾È Àç¹ßµÇ´Â °æÇâÀ» º¸¿´À¸³ª Ä¡·á ½ÃÀÛ Àü°ú ºñ±³ÇÏ¿© Ä¡·á È¿°ú´Â À¯ÁöµÇ¾ú´Ù. ¼öÁ÷Àû °ñ°ÝÀû º¯È­´Â Ä¡·á Á÷ÈÄ Áõ°¡µÇ ¾úÀ¸³ª 1³â °£ÀÇ follow-up ±â°£ µ¿¾È ´Ù½Ã °¨¼ÒÇÏ¿© Ä¡·á ½ÃÀÛ Àü°ú ºñ±³ÇÏ¿© Â÷À̸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù. ¿¬Á¶Á÷ÀÇ º¯È­´Â facial convexity ¹× »ó¼øÀÇ À§Ä¡°¡ Ä¡·á Á÷ÈÄ °³¼±µÊÀ» º¸¿´°í 1³â °£ÀÇ follow-up ±â°£ µ¿¾È¿¡µµ Ä¡·á Àü°ú ºñ±³ÇÏ¿© Ä¡·áÈ¿ °ú´Â À¯ÁöµÇ¾ú´Ù. ÇϼøÀÇ À§Ä¡´Â Ä¡·á Á÷ÈÄ¿¡ À¯ÀÇÇÒ ¸¸ÇÑ º¯È­¸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù. Facemask´Â À¯Ä¡¿­±â 3±Þ ºÎÁ¤±³ÇÕ¿¡ ÀÖ ¾î¼­ È¿°úÀûÀÎ Ä¡·á ¹æ¹ýÀ̸ç, ¾ÈÁ¤ÀûÀÎ Ä¡·á °á°ú¸¦ À§Çؼ­´Â ÀûÀýÇÑ ÇüÅÂÀÇ À¯ÁöÀåÄ¡°¡ °í·ÁµÇ´Â °ÍÀÌ ¹Ù¶÷Á÷ÇÏ´Ù.

The purpose of this study was to evaluate skeletal and soft tissue changes that occur after using a facemask for treatment of skeletal class III malocclusion, and to assess the relapse pattern when no retention appliance was used. Fifteen skeletal class III malocclusion patients were treated with a facemask for an average of 12 months. No retention appliance was used during the 1 year follow-up period. Cephalograms were taken during pretreatment, posttreatment, and the 1 year follow-up. Cephalograms were traced, analyzed, and the results were compared between cephalograms. All patients showed significant sagittal skeletal changes after treatment, but they also showed a significant relapse during the 1 year follow-up period when no retention appliance was used. Despite the relapse, the sagittal skeletal changes that remained were still significant. Vertical skeletal change was also significant after treatment, but the total change was not significant after a 1 year follow-up due to relapse. In soft tissue changes, facial convexity and upper lip position improved after treatment and this change remained significant after the 1 year follow-up period. Facemask therapy is therefore an effective method for treatment of skeletal class III malocclusion, however, retention is imperative to maintain the treatment effect.

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3±Þ ºÎÁ¤±³ÇÕ;ÀüÄ¡ºÎ ¹Ý´ë±³ÇÕ;À¯Ä¡¿­±â
Facemask;Class III malocclusion;Anterior crossbite;Primary dentition

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