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Buccal acrylic applianceÀÇ ÀÓ»óÀû Àû¿ë

THE CLINICAL APPLICATION OF BUCCAL ACRYLIC APPLIANCES

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³ëÈ«¼® ( Noh Hong-Seok ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±è½Å ( Kim Shin ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
Á¤Å¼º ( Jeong Tae-Sung ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

¾î¸°ÀÌÀÇ °ø°£À¯Áö¿Í ±³ÇÕÀ¯µµÀÇ Ä¡·á¸¦ À§ÇÏ¿© °¡Ã¶¼º ÀåÄ¡´Â ¼Ò¾ÆÄ¡°ú ÀÓ»ó¿¡¼­ ÀÏ»óÀûÀ¸·Î »ç¿ëµÇ°í ÀÖ´Ù. »ó¾ÇÀÇ °æ¿ì¿Í´Â ´Þ¸® ÇϾǿ¡¼­´Â °¡Ã¶¼º ÀåÄ¡¸¦ »ç¿ëÇϴµ¥ ÀÖ¾î À¯Áö·ÂÀÇ ÀúÇÏ¿¡ µû¸¥ Ä¡·áÈ¿°úÀÇ °¨¼Ò, ȯÀÚÀÇ ºÒÆí°¨°ú °ÅºÎ°¨À¸·Î ÀÎÇÑ ¹ÌÂø¿ë µîÀÇ ¹®Á¦°¡ ÈçÈ÷ ¹ß»ýÇÑ´Ù. ÀÌ°ÍÀº À¯Ä¡¿­±â³ª Ãʱâ È¥ÇÕÄ¡¿­±â ¾î¸°ÀÌÀÇ °æ¿ì, ÇϾDZ¸Ä¡ºÎÀÇ undercut¾çÀÌ ÃæºÐÄ¡ ¸øÇÔ¿¡µµ ºÒ±¸ÇÏ°í, ¿©±â¿¡ ÇùÃø undercutÀ¸·ÎºÎÅÍ À¯Áö·ÂÀ» ¾ò´Â °¢Á¾ clasp¸¦ Àû¿ëÇϱ⠶§¹®À¸·Î »ç·áµÈ´Ù. ¶ÇÇÑ ÀüÅëÀûÀÎ °¡Ã¶¼º ÀåÄ¡µéÀÇ acrylic base plate°¡ ¼³Ãø¿¡ À§Ä¡ÇÏ°í ÀÖ¾î ¼³Ãø ¿¬Á¶Á÷À̳ª Ä¡Á¶´É undercut°ú ¸¹Àº ¹®Á¦¸¦ ÀÏÀ¸Å°´Â Çö»óÀ» º¼ ¼ö ÀÖ´Ù. ¾î¸°À̵éÀº ÇÏ¾Ç ÀåÄ¡ÀÇ ÀÛ¾÷¸ðÇüÀ» À§ÇÑ Àλóäµæ°úÁ¤¿¡¼­ ¼úÀÚÀÇ Áö½Ã´ë·Î Çô¸¦ ¹Ù¸£°Ô °Å»óÇÏÁö ¸øÇÏ´Â ¿¹°¡ ¸¹Àº °Íµµ ±× ¿øÀοä¼Ò·Î µé ¼ö ÀÖ´Ù. º» ¿¬±¸´Â ÀüÅëÀûÀÎ ÇϾÇÀÇ Hawley acrylic plate·ÎºÎÅÍ clasp¿Í acrylic baseplateÀÇ À§Ä¡¸¦ ¹Ù²Ù¾î ÇùÃø base plate¿Í ¼³Ãø claspÀ» ÀÌ¿ëÇÑ buccal acrylic appliance¸¦ À¯Ä¡¿­±â ¹× Ãʱâ È¥ÇÕÄ¡¿­±â ¾î¸°ÀÌÀÇ ±¸°­¿¡ Àû¿ëÇÏ¿© ±× Àå´ÜÁ¡À» Á¶»çÇÏ°í ȯ¾ÆµéÀÇ ¼ö¿ëµµ¿Í È¿À²¼ºÀ» ±âÁ¸ÀÇ lingual acrylic appliance¿Í ºñ±³, °ËÅäÇÒ ¸ñÀûÀ¸·Î ½ÃÇàµÇ¾ú´Ù. °ø°£À¯Áö ¹× Ä¡¾ÆÀ̵¿À» ÇÊ¿ä·Î ÇÏ´Â 5°³ Áõ·Ê¸¦ ´ë»óÀ¸·Î °¢ Áõ·Ê¿¡ buccal acrylic appliance¿Í ±âÁ¸ÀÇ lingual acrylic appliance¸¦ ¸ðµÎ Àû¿ëÇÏ¿©, À¯Áö·Â, ȯÀÚ ¼ö¿ëµµ, ÇôÀÇ ±â´É°úÀÇ Á¶È­, Ä¡·á È¿°ú µîÀÇ Ãø¸éÀ» »óÈ£ ºñ±³ÇØ º¸¾Ò´Ù. Á¶»ç °á°ú, Á¶»ç ´ë»óÀÇ ¸ðµç Áõ·Ê¿¡¼­ À¯Áö·Â°ú ȯ¾ÆÀÇ ¼ö¿ëµµ Ãø¸é¿¡¼­ ÇùÃø ÀåÄ¡°¡ ¼³Ãø ÀåÄ¡¿¡ ºñÇØ ¿ùµîÈ÷ ¿ì¼öÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¶ÇÇÑ Ä¡·á È¿°úÀÇ Ãø¸é¿¡¼­µµ ÇùÃø ÀåÄ¡´Â ¼³Ãø ÀåÄ¡¿Í À¯»çÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. º» ¿¬±¸¸¦ ÅëÇÏ¿© ÇϾǿ¡ °¡Ã¶¼º ÀåÄ¡¸¦ »ç¿ëÇÒ °æ¿ì, ÀüÅëÀûÀÎ ¼³Ãø ÀåÄ¡¿Í °ü·ÃµÈ °¢Á¾ ºÎÀÛ¿ëÀ» ÇØ°áÇÏ´Â µ¥¿¡ buccal acrylic appliance°¡ ÈǸ¢ÇÑ ´ë¾ÈÀ¸·Î¼­ ÀÓ»óÀû¿ëÀ» ÃßõÇÒ ¸¸ ÇÏ´Ù°í »ç·áµÇ¾ú´Ù.

Removable appliance has many utilities in pediatric dentistry in the fields of space maintainance or occlusal guidance. In contrast to maxilla, many problems have occurred with mandible in using removable appliance such as deteriorated retention, inconvenience and patient¡¯s unwillingness to wear. It is probably due to adapting several retentive clasps at buccal side of the tooth, where there is actually little or no undercut especially in young children having the erupting teeth Moreover, acrylic base plate of conventional removable appliance is located at lingual parts, which leads to the conflict with alveolar crest undercut and sublingual soft tissues. Moreover, young children frequently do not follow the dentist¡¯s direction to elevate tongue properly during the impression taking process. Throughout this study, the position of clasps and acrylic baseplate was changed opposite to the traditional Hawley acrylic appliance in order to make a buccal acrylic appliance with buccal base plate and lingual clasp into primary dentition and early mixed dentition. This study was performed for the purpose of evaluating the buccal acrylic appliance in regards of patient compliance, retention and efficiency compared with traditional lingual acrylic appliance along with its merits and demerits. Buccal and lingual acrylic appliance were applied to 5 cases respectively which required space maintaining and tooth movement, and drew a comparison in relevance to patients¡¯ compliance, combination with the tongue¡¯s function and clinical effectiveness. According to this study, in every case buccal appliance was proved superior to lingual appliance in terms of retention and patients¡¯ compliance. Moreover, buccal appliance has shown to be similar to lingual appliance with respect to clinical effectiveness. Throughout this study, it was thought that, if removable appliance is to be applied to mandible, several drawbacks related to conventional lingual appliance shall be resolved. Conclusively, the buccal acrylic appliance is thought to be a good alternative in designing a mandibular appliance in young children and recommended to clinical applications.

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ÇùÃø undercut;ÀûÀÀµµ;À¯Áö·Â
Buccal acrylic appliance;Buccal undercut;Compliance;Retention

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