전치부 개방교합을 동반한 골격성 II급 환자의 비수술적 치험례
Correction of Skeletal Class II Open Bite Treated by Miniscrew Anchorage: A Case Report
이주영, 이진우, 정동화, 이상민, 이모현,
소속 상세정보
이주영 ( Lee Joo-Yeong ) - Dankook University College of Dentistry Department of Orthodontics
이진우 ( Lee Jin-Woo ) - Dankook University College of Dentistry Department of Orthodontics
정동화 ( Chung Dong-Hwa ) - Dankook University College of Dentistry Department of Orthodontics
이상민 ( Lee Sang-Min ) - Dankook University College of Dentistry Department of Orthodontics
이모현 ( Lee Mo-Hyeon ) - Dankook University College of Dentistry Department of Orthodontics
Abstract
A case report of a Class II malocclusion with an anterior open bite and vertical maxillary excess was presented. A 14-year-old female patient had a tongue thrusting habit, mouth breathing and centric occlusion (CO)-maximal intercuspal position (MIP) discrepancy with condylar anterior displacement. Mini-implants were used to intrude and retract the maxillary molars. Myofunctional therapy was actively instructed to the patient after obtaining positive overbite. After 34-month of overall treatment, open bite was improved with condylar repositioning and minimal CO-MIP discrepancy. To minimize the relapse, especially during the first year after treatment, interradicular mini-implants were remained and the patient was instructed to actively use retainers.
키워드
Open bite; Mini-implant; Skeletal Class II; Relapse
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