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논문 기본 정보

자료유형
학술저널
저자정보
Hyo-kyung Ryu (Wonkwang University) Hyun-Jeong Chong (Private Practice) Ki-Yong An (Gangneung-Wonju National University) Kyung-hwa Kang (Wonkwang University)
저널정보
대한치과교정학회 대한치과교정학회지 대한치과교정학회지 제45권 제5호
발행연도
2015.9
수록면
226 - 235 (10page)

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Objective: The purpose of this retrospective study was to investigate shortterm and long-term skeletodental outcomes of Class Ⅲactivator treatment. Methods: A Class III activator treatment group (AG) comprised of 22 patients (9 boys, 13 girls) was compared with a Class Ⅲ control group (CG) comprised of 17 patients (6 boys, 11 girls). The total treatment period was divided into three stages; the initial stage (T1), the post-activator treatment or post-mandibular growth peak stage (T2), and the long-term follow-up stage (T3). Cephalometric changes were evaluated statistically via the Mann-Whitney U-test and the Friedman test. Results: The AG exhibited significant increases in the SNA angle, ANB angle, Wits appraisal, A point-N perpendicular, Convexity of A point, and proclination of the maxillary incisors, from T1 to T2. In the long-term follow-up (T1?T3), the AG exhibited significantly greater increases in the ANB angle, Wits appraisal, and Convexity of A point than the CG. Conclusions: Favorable skeletal outcomes induced during the Class Ⅲ activator treatment period were generally maintained until the long-term follow-up period of the post-mandibular growth peak stage.

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INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
REFERENCES

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