지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.5
- 수록면
- 170 - 180 (11page)
이용수
초록· 키워드
오류제보하기
Objective: To compare short- and long-term dentoalveolar, skeletal, and rotational changes evaluated by Björk’s structural method of superimposition between children with Class II malocclusion treated by functional appliances and untreated matched controls. Methods: Seventy-nine prepubertal or pubertal children (mean age, 11.57 ± 1.40 years) with Class II malocclusion were included. Thirty-four children were treated using an activator with a high-pull headgear (Z-activator), while 28 were treated using an activator without a headgear (E-activator). Seventeen untreated children were included as controls. Lateral cephalograms were obtained before treatment (T1), after functional appliance treatment (T2), and after retention in the postpubertal phase (T3). Changes from T1 to T2 and T1 to T3 were compared between the treated groups and control group using multiple linear regression analysis. Results: Relative to the findings in the control group at T2, the sagittal jaw relationship (subspinalenasion- pogonion, p < 0.001), maxillary prognathism (sella-nasion-subspinale, p < 0.05), and condylar growth (p < 0.001) exhibited significant improvements in the Z- and E-activator groups, which also showed a significantly increased maxillary incisor retraction (p < 0.001) and decreased overjet (p < 0.001). Only the E-activator group exhibited significant backward rotation of the maxilla at T2 (p < 0.01). The improvements in the sagittal jaw relationship (p < 0.01) and dental relationship (p < 0.001) remained significant at T3. Condylar growth and jaw rotations were not significant at T3. Conclusions: Functional appliance treatment in children with Class II malocclusion can significantly improve the sagittal jaw relationship and dental relationships in the long term.
목차
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
REFERENCES
참고문헌 (28)
참고문헌 신청
Cozza P / 2006 / Mandibular changes produced by functional appliances in Class II malocclusion: a systematic review / Am J Orthod Dentofacial Orthop 129:599
Zelderloo A / 2017 / Cephalometric appraisal of Class II treatment effects after functional and fixed appliances : a retrospective study / Eur J Orthod 39:334~341
Batista KB / 2018 / Orthodontic treatment for prominent upper front teeth(Class II malocclusion)in children and adolescents / Cochrane Database Syst Rev 3:CD003452
Tulloch JF / 2004 / Outcomes in a 2-phase randomized clinical trial of early Class II treatment / Am J Orthod Dentofacial Orthop 125:657~667
Cross JJ / 1977 / Facial growth: before, during, and following orthodontic treatment / Am J Orthod 71:68~78
Zelderloo A / 2017 / Cephalometric appraisal of Class II treatment effects after functional and fixed appliances : a retrospective study / Eur J Orthod 39:334~341
Batista KB / 2018 / Orthodontic treatment for prominent upper front teeth(Class II malocclusion)in children and adolescents / Cochrane Database Syst Rev 3:CD003452
Tulloch JF / 2004 / Outcomes in a 2-phase randomized clinical trial of early Class II treatment / Am J Orthod Dentofacial Orthop 125:657~667
Cross JJ / 1977 / Facial growth: before, during, and following orthodontic treatment / Am J Orthod 71:68~78
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UCI(KEPA) : I410-ECN-0101-2020-515-000680082