TREATMENT OF CLASS II MALOCCLUSION IN THE MIXED DENTITION WITH CLASS II ACTIVATOR: CASE REPORT |
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II급 Activator를 이용한 혼합치열기 II급 부정교합아동의 치험례 |
유건정, 김현정, 남순현, 김영진 |
경북대학교 치과대학 소아치과학교실 |
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Abstract |
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 paitent in the mixed dentition, the results were as follows: 1. Lateral profile was improved, and lower face height was increaed. 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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