크라우딩과 과개교합을 동반한 골격성 III급 부정교합의 절충치료
Camouflage Treatment of Skeletal Class III Malocclusion with Crowding and Deep Bite
임근오, 김신엽, 권수진, 임원희,
소속 상세정보
임근오 ( Lim Keun-Oh ) - Seoul National University School of Dentistry Department of Orthodontics
김신엽 ( Kim Shin-Yeop ) - SeoulBarun Orthodontic Clinic
권수진 ( Kwon Soo-Jin ) - SeoulBarun Orthodontic Clinic
임원희 ( Lim Won-Hee ) - Seoul National University School of Dentistry Department of Orthodontics
Abstract
Skeletal Class III malocclusion can be treated with camouflage treatment when the skeletal discrepancy is mild and surgical approach is not required. A 23-year-old male patient showed skeletal Class III with hypodivergent pattern, anterior crossbite, deep bite, and moderate-to-severe crowding. Anterior crossbite was corrected with extraction of the mandibular first premolars and bite raising. After proper overjet was established, the maxillary first premolars were extracted to relieve severe crowding. Extraction spaces were closed with power chain and Class III elastics. After the orthodontic treatment, the patient showed proper overjet and overbite with harmonious upper and lower lip. Due to extrusion of the maxillary posterior teeth by Class III elastics, the mandible rotated downward and backward, which had an effect on increase of the lower anterior facial height and improvement of chin prominence.
키워드
Camouflage treatment; Anterior crossbite; Deep bite; Class III
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