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논문 기본 정보

자료유형
학술저널
저자정보
Jonghan Yu (The Catholic University of Korea) Jae Hyun Park (A.T. Still University) Mohamed Bayome (The Catholic University of Korea) Sungkon Kim (The Catholic University of Korea) Yoon-Ah Kook (The Catholic University of Korea) Yoonji Kim (The Catholic University of Korea) Chang-Hyen Kim (The Catholic University of Korea)
저널정보
대한치과교정학회 대한치과교정학회지 대한치과교정학회지 제46권 제4호
발행연도
2016.7
수록면
212 - 219 (8page)

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초록· 키워드

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Objective: The purpose of this study was to evaluate treatment effects after distalization of the mandibular dentition using ramal plates through lateral cephalograms. Methods: Pre- and post-treatment lateral cephalograms and dental casts of 22 adult patients (11 males and 11 females; mean age, 23.9 ± 5.52 years) who received ramal plates for mandibular molar distalization were analyzed. The treatment effects and amount of distalization of the mandibular molars were calculated and tested for statistical significance. The significance level was set at p < 0.001. Results: The mandibular first molar distalization at the crown and root were 2.10 mm (p < 0.001) and 0.81 mm (p = 0.011), respectively. In the evaluation of skeletal variables, there was a significant increase in the Wits appraisal (p < 0.001). In the evaluation of the soft tissue, there was no significant effect on upper lip position, but the lower lips showed a significant retraction of 2.2 mm (p < 0.001). Conclusions: The mandibular molars showed a significant amount of distalization accompanied by limited extrusion and mesiobuccal rotation of the crowns. A ramal plate may be a viable device for mandibular total arch distalization in Class III patients who are reluctant to undergo orthognathic surgery.

목차

INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
REFERENCES

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UCI(KEPA) : I410-ECN-0101-2017-515-001006303