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TREATMENT OF MALOCCLUSIONS WITH SAGITTAL APPLIANCES

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Abstract

°á·Ð
ÀúÀÚµéÀº Àü³²´ëÇб³ º´¿ø ¼Ò¾ÆÄ¡°ú¿¡ ³»¿øÇÑ ¹Ý´ë±³ÇÕ, ½ÉÇÑ ÃÑ»ýÀ» °®´Â ºÎÁ¤±³ÇÕ°ú
submerged tooth·Î ÀÎÇÑ Á¦ 1´ë±¸Ä¡ÀÇ ±Ù½É °æ»ç¸¦ °®´Â ȯ¾Æ¸¦ Sagittal appliance·Î Ä¡·á
ÇÏ¿© ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. »ó½ÇµÈ ¾Ç±Ã ±æÀÌ·Î ÀÎÇÑ ÃÑ»ýÀº Á¦ 2´ë±¸Ä¡¸¦ ¹ßÄ¡ÇÏ¿© ´ëºÎºÐÀÇ ±¸Ä¡ºÎ ÈĹæÀ̵¿°ú
¾à°£ÀÇ ÀýÄ¡ºÎ Àü¹æÀ̵¿À¸·Î ÇؼҵǾú´Ù.
2. PremaxillaÀÇ Àú¼ºÀåÀ¸·Î ÀÎÇÑ ¹Ý´ë±³ÇÕÀº Á¦2´ëÄ¡¸¦ ¹ßÄ¡ÇÏÁö ¾Ê°í premaxilla¿Í ÀýÄ¡
¸¦ Àü¹æ À̵¿½ÃÅ´À¸·Î½á ÇؼҵǾú°í ¶ÇÇÑ ¾È¸ðÀÇ °³¼±À» º¸¿´´Ù.
3. ÀåÄ¡¸¦ ¾²´Â °úÁ¤¿¡¼­ ¹ß»ýµÇ´Â ºÒ±ÔÄ¢ÇÑ Ä¡¾ÆÀÇ ¹è¿­°ú ÀýÄ¡ÀÇ ¼øÃø°æ»ç´Â °íÁ¤¼º ±³
Á¤ÀåÄ¡¸¦ ÀÌ¿ëÇØ¾ß µÉ °ÍÀ¸·Î »ç·áµÈ´Ù.
4. SubmergedµÈ ÇÏ¾Ç ÁÂÃø Á¦2À¯±¸Ä¡·Î ÀÎÇØ ±Ù½É °æ»çµÈ Á¦ 1´ë±¸Ä¡´Â ÆíÃø sagittal
appliance¸¦ ÀÌ¿ëÇÏ¿© ±Ù½É°æ»ç¸¦ ¹Ù·ÎÀâ°í »ó½ÇµÈ Á¦2À¯±¸Ä¡ °ø°£À» È®º¸Çß´Ù.
#ÃÊ·Ï#
Sagittal appliance is an active plate with expansion screws in the anteroposterior
direction. It is used to advance the maxillary incisors and to distalize the maxillary
molars, thereby to increase arch length.
Sagittal appliance produces changes of tooth position in the surrounding bone by
convertion mechanical pressure into biological energy as the screws are activated
regularly.
We treated anterior crossbite, severe corwding, and submerged tooth with sagittal
appliance.
The result were as follows :
1. Dental crowding was relieved by some advancement of incisors and most of
distalization of molars after extraction of second molars.
2. Anterior cross bits caused by immaturity of premaxilla was corrected by
advancement of maxillary incisor and premaxilla and then facial profile was improved.
3. Irregular tooth arrangement and labial inclination of incisors occured during
treatment will be corrected by fixed appliance.
4. mesially titled first molar caused by submerged second primary moalr was
uprighted and lost space of second primary molar was regained by lower unilateral
sagittal appliance.

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