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TREATMENT OF CLASS II MALOCCLUSION IN THE MIXED DENTITION WITH CLASS II ACTIVATOR : CASE REPORT

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Abstract

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Ä¡·áÇÏ¿© ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. Ãø¸é ¾È¸ð°¡ °³¼±µÇ¾ú°í, ÇÏ¾È¸é °í°æÀÌ Áõ°¡ÇÏ¿´´Ù.
2. ¼öÆòÇÇ°³±³ÇÕÀÌ °³¼±µÇ°í, ±¸Ä¡ºÎ´Â I±Þ °ü°è·Î °³¼±µÇ¾ú´Ù.
3. Á¶±â Á¤ÇüÀû Ä¡·á´Â ¾Ç°ñÀÇ Á¤»óÀû ¼ºÀå ¹æÇâÀ» À¯µµÇϸç, ºÎÁ¤±³ÇÕÀÇ ¾ÇÈ­¸¦ ¹æÁöÇÔÀ¸
·Î½á, 2Â÷Àû ±³Á¤Ä¡·á¸¦ ¿ëÀÌÇÏ°Ô ÇÒ ¼ö ÀÖ´Ù.
#ÃÊ·Ï#
Class II malocclusion can be treated via early orthopedic, orthodontic treatment or
orthognathic surgery with orthodontic treatment. In the mixed dentition, early orthopedic
treatment can be used. Especially, in the case of mandibular retrognathism, the
functional appliances can be used, and in the case of maxillary protrusion is combined,
they can be used together with headgear.
After using activator and activator combined with headgear to the class II malocclusion
patient in the mixed dentition, the results were as follows :
1. Lateral profile was improved, and lower face height was increased.
2. Overjet was decreased, and molar relationship was changed to class I molar
relationship.
3. Growth can be undisturbed, and the aggravation of malocclusion can be prevented to
make the 2nd phase orthodontic treatment be much easier.

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