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THE EFFECT OF DISTAL MOVEMENT OF UPPER MOLAR USING THE PENDULUM APPLIANCE

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ÀÌâ¼· ( Lee Chang-Seep ) - Á¶¼±´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±èÀ籤 ( Kim Jae-Kwang ) - Á¶¼±´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
°­´öÀÏ ( Kang Dug-Il ) - Á¶¼±´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
¼Û±¤Ã¶ ( Song Kwang-Chul ) - Á¶¼±´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
Á¤Çö±¸ ( Jung Hyun-Ku ) - Á¶¼±´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
ÀÌ»óÈ£ ( Lee Sang-Ho ) - Á¶¼±´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

II±Þ Ä¡¼º±³ÇÕÀ» °¡Áø ȯÀÚ¿¡¼­´Â I±Þ ±¸Ä¡ºÎ ±³ÇÕ°ü°è¸¦ Çü¼ºÇϱâ À§ÇÏ¿© »ó¾Ç ´ë±¸Ä¡ÀÇ ¿ø½ÉÀ̵¿ÀÌ ÇÊ¿äÇÏ´Ù. º» ¿¬±¸¿¡¼­´Â pendulumÀåÄ¡¸¦ ÀÌ¿ëÇÑ »ó¾Ç ´ë±¸Ä¡ÀÇ ¿ø½ÉÀ̵¿½Ã ´ë±¸Ä¡ÀÇ À̵¿¾ç»ó°ú °íÁ¤¿øÀÇ Àü¹æÀ̵¿ ¹× Á¤ÃâÁ¤µµ µî Ä¡¾Æ¿Í °ñ°Ý¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Æò°¡Çϱâ À§ÇÏ¿© ½ÃÇàµÇ¾ú´Ù. »ó¾Ç Á¦1´ë±¸Ä¡¸¦ ¿ø½ÉÀ̵¿½ÃÄÑ I±Þ ±¸Ä¡°ü°è°¡ Çü¼ºµÈ 19¸íÀÇ È¯ÀÚ(³²: 8¸í, ¿©: 11¸í, Æò±Õ¿¬·É ¼¼)¿¡¼­ ÀåÄ¡ ÀåÂø Àü°ú ÀåÄ¡Á¦°Å Á÷ÈÄ¿¡ ¾ò¾îÁø Ãø¸éµÎºÎ¹æ»ç¼±»çÁøÀ» ºñ±³ ºÐ¼®ÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù. 1. I±Þ ±³ÇÕ°ü°è¸¦ Çü¼ºÇϱâ À§Çؼ­ Á¦1´ë±¸Ä¡´Â Æò±Õ ¿ø½ÉÀ̵¿ÇÏ¿´À¸¸ç, ÇÔÀԵǾú°í, ¼Ò¿ä±â°£Àº Æò±Õ ÀÏÀ̾ú´Ù. 2. °íÁ¤¿øÀ¸·Î »ç¿ëµÈ Ä¡¾Æ´Â ·Î À¯ÀÇÇÏ°Ô Àü¹æ À̵¿ÇÏ¿´À¸¸ç, Á¤ÃâµÇ¾ú´Ù. ¶ÇÇÑ ÀýÄ¡´Â À¯ÀÇÇÑ Àü¹æÀ̵¿ ¹× ¼øÃø°æ»ç°¡ ¹ß»ýÇÏ¿´´Ù(P<0.05). 3. ±¸°³Æò¸é°ú ÇϾÇÆò¸éÀÌ ÀÌ·ç´Â °¢Àº À¯ÀÇÇÑ Áõ°¡¸¦ º¸¿´´Ù(P<0.05) 4. Á¦ 1¼Ò±¸Ä¡ ¶Ç´Â Á¦ 1À¯±¸Ä¡°¡ °íÁ¤¿øÀ¸·Î ÀÌ¿ëµÈ °æ¿ì Á¦2¼Ò±¸Ä¡ ¶Ç´Â Á¦2À¯±¸Ä¡°¡ ÀÌ¿ëµÈ °æ¿ì º¸´Ù Àü¹æÀ̵¿ÀÌ Áõ°¡ÇÏ¿´´Ù(P<0.005) 5. Á¦2´ë±¸Ä¡ÀÇ ¹ßÀ°´Ü°è¿¡ µû¸¥ Á¦1´ë±¸Ä¡ ¹× Á¦2´ë±¸Ä¡ÀÇ À̵¿¾ç»óÀº ¾î¶² Ç׸ñ°úµµ À¯ÀǼºÀÌ ¾ø¾ú´Ù(P<0.05). 6. ¾ò¾îÁø ÃÑ °ø°£ Áß 74%´Â Á¦1´ë±¸Ä¡ÀÇ ¿ø½ÉÀ̵¿ÀÌ, 26%´Â ¼Ò±¸Ä¡ÀÇ Àü¹æÀ̵¿¿¡ ÀÇÇÏ¿© ¾ò¾îÁ³´Ù. ÀÌ»óÀÇ °á°ú¸¦ Á¾ÇÕÇÏ¿© º¼ ¶§ pendulum appliance´Â »ó¾Ç ´ë±¸Ä¡ÀÇ ¿ø½ÉÀ̵¿¿¡ ¸Å¿ì È¿°úÀûÀ̾úÀ¸¸ç, °íÁ¤¿øÀÇ ¼Ò½ÇÀ» ÃÖ¼ÒÈ­Çϱâ À§ÇØ Á¦2À¯±¸Ä¡ ¶Ç´Â Á¦ 2¼Ò±¸Ä¡°¡ Æ÷ÇԵǾî¾ß ÇÑ´Ù. ¶ÇÇÑ Á¦1´ë±¸Ä¡ÀÇ ¿ø½É°æ»ç´Â ÇÊ¿¬ÀûÀ¸·Î ÀϾ¸ç, À̸¦ ÃÖ¼ÒÈ­Çϱâ À§ÇÑ ³ë·ÂÀÌ °è¼ÓµÇ¾î¾ß ÇÒ °ÍÀ¸·Î »ç·áµÈ´Ù.

Treatment of class II malocclusions require distalization of maxillary molars into class I relationship. Intraarch distal molar movement techniques have recently assumed an important role in young patients. In this study, the dental and skeletal effects of the pendulum appliance were evaluated by means of cephalometric radiographs. The samples were consisted of 19 patients: 11 females and 8 males, mean age years. Measurements were obtained from cephalometric prior to and the day of removal of the pendulum appliance. Treatment changes were analyzed. The following results were obtain. 1. The pendulum appliance produced distal molar movement with a mean intrusion of , mean period weeks. 2. The anchor tooth was forward movement and extrusion, and labial tilting of incisors. 3. The angle between palatal plane and mandibular plane increased significantly. 4. There was no significant difference in according to 2nd molar position. 5. Total movement was consisted of 74% distal movement of 1st molar and 26% forward movement of the anchor tooth.

Å°¿öµå

II±Þ ºÎÁ¤±³ÇÕ;±¸Ä¡ÀÇ ¿ø½ÉÀ̵¿;PendulumÀåÄ¡
Class II malocclusion;Distal molar movement;Pendulum appliance

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