횡적부조화와 전치부 개방교합이 동반된 골격성 I급 장안모 환자의 마이크로 임플랜트를 이용한 수직조절 치험례
Microimplant Supported Vertical Control Treatment for Skeletal Class I Dolichofacial Patient with Transverse Discrepancy and Anterior Open Bite
배성렬, 장지수, 경희문, 홍미희, 박효상,
소속 상세정보
배성렬 ( Bae Seong-Ryeol ) - 경북대학교 치과대학 치과교정과학교실
장지수 ( Jang Ji-Su ) - 경북대학교 치과대학 치과교정과학교실
경희문 ( Kyung Hee-Moon ) - 경북대학교 치과대학 치과교정과학교실
홍미희 ( Hong Mi-Hee ) - 경북대학교 치과대학 치과교정과학교실
박효상 ( Park Hyo-Sang ) - 경북대학교 치과대학 치과교정과학교실
Abstract
Some open bite can be relieved by intrusion of molars in non-extraction approaches, which is usually suggested for patients with acceptable facial profiles or non-hyperdivergent skeletal patterns. In cephalometric analyses, mesial angulation of molars’ axes is frequently observed in patients with open bite. Therefore, a treatment strategy is to correct anterior open bite by both clockwise rotation of maxillary molars and counter-clockwise rotation of mandibular molars, resulting in uprighting and intruding force of molars. Using this manner, clinicians are recommended to reinforce skeletal anchorage by placing microimplants into alveolar bone between the first and second molars. In this case report, we have successfully treated an anterior open bite patient with transverse disharmony by managing vertical dimension using microimplant.
키워드
Class I malocclusion; Open bite; Microimplant; Skeletal anchorage
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