성장기 아동에서 전치부 개교의 치료증례
Treatment of anterior openbite in the growing children : a case report
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전치부 개교는 중심교합시 수직선상에서 상하악 전치간에 교합이 되지 않는 상태이며, 부정교합의 특성과 원인이 치료계획에 중요한 역할을 한다. 혼합치열기에 전치부 개교의 치료 목적은 악습관을 조절하고 입 주위 근육의 비정상적인 기능을 제거하며, 악정형 장치를 통해 하악의 수직성장을 수평성장으로 전환하는 것이며, 치료 후의 안정성을 위해 계속적인 관찰이 필요하다. 본 증례에서는 혀내밀기 습관이 동반된 전치부 개교 환아의 치료를 위해 습관을 차단하는 tongue crib과 그 밖에 다양한 가철성 및 고정성 장치를 사용하여 양호한 결과를 얻었기에 보고하는 바이다.
Abstract
Anterior openbite is defined as the lack of contacts between the functional occluding teeth on vertical line at centric occlusion and classified into functional and skeletal anterior openbite based on its causes and characteristics. In mixed dentition, habit control and the elimination of abnormal perioral muscle function and moving the vertical direction development to the sagittal direction of the mandible by the functional appliance is a goal of treatment. This study presents the effective interception of oral habit by the tongue crib and functional-fixed treatment and treatment response of openbite related to tongue thrust habit.
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