Anterior j hook headgear를 이용한 상악골 성장억제에 관한 연구
이향련, 강장윤,
소속 상세정보
이향련 ( ) - 경희대학교 치과대학 교정학교실
강장윤 ( ) - 경희대학교 치과대학 교정학교실
KMID : 0361920000300040387
Abstract
This study was aimed to observe the effect of Anterior J hook headgear on the craniofacial structures in mixed dentition with Class II malocclusion.
The laterial c-phalograms of 20´ children treated by Anterior J hook headgear were traced, digitized and statistically analyzed.
The results were as follows
1. Forward growth of maxilla was inhibited.
2. Rotational effect of maxilla was not observed.
3. There was distal movement of maxillary dentition.
4. Maxillary_.dentoalveolar growth changes were more effective in anterior portion than posterior portion. &.Mandible maintained a normal growth and mandibular plane angle- was maintained during treatment period. 6. The ratio of anterior facial height to posterior facial height was almostly not changed.
키워드
Anterior j hook headgear;상악골 성장억제;Horseshoe appliance;Anterior j hook headgear;Maxillary growth;Horseshoe appliance
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