Immediate changes in the mandibular dentition after maxillary molar distalization using headgear
강성자, 김현희, 황현식, 이경민,
소속 상세정보
강성자 ( Kang Sung-Ja ) - Chonnam National University School of Dentistry Department of Orthodontics
김현희 ( Kim Hyun-Hee ) - Chonnam National University School of Dentistry Department of Orthodontics
황현식 ( Hwang Hyeon-Shik ) - Chonnam National University School of Dentistry Department of Orthodontics
이경민 ( Lee Kyung-Min ) - Chonnam National University School of Dentistry Department of Orthodontics
KMID : 0361920170470020142
Abstract
The purpose of this study was to investigate immediate changes in the mandibular dentition after maxillary molar distalization using headgear in non-growing patients. Sixteen patients (mean age, 18.9 ± 2.0 years) with Class II molar relationship and crowding were included in the present study. To correct the molar relationship, headgear was used for maxillary molar distalization. Cone-beam computed tomography-generated half-cephalograms (CG Cephs) and dental casts were used to evaluate dental changes for each subject before and immediately after molar distalization using headgear. The mean duration that subjects wore the headgear was 6.3 months. CG Cephs showed that the first maxillary molars were distalized 4.2 ± 1.6 mm with 9.7o ± 6.1o of distal angulation. The intercanine, interpremolar, and intermolar widths of the mandible increased after maxillary molar distalization. The present study’s results suggest that maxillary molar distalization using headgear induces a spontaneous response in the untreated mandibular dentition of non-growing patients.
키워드
Molar distalization; Mandibular dentition; Cone-beam computed tomography-generated half cephalograms
원문 및 링크아웃 정보
등재저널 정보