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논문 기본 정보

자료유형
학술저널
저자정보
Kyung Sook Kim (Kyung Hee University) Se Jik Han (Kyung Hee University) Tae-Hee Lee (Kyung Hee University) Tae-Joon Park (Kyung Hee University) Samjin Choi (Kyung Hee University) Yoon-Goo Kang (Kyung Hee University) Ki-Ho Park (Kyung Hee University)
저널정보
대한치과교정학회 대한치과교정학회지 대한치과교정학회지 제49권 제1호
발행연도
2019.1
수록면
12 - 20 (9page)

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초록· 키워드

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Objective: The aim of this study was to analyze the surface composition, roughness, and relative friction of metal clips from various ceramic self-ligating brackets. Methods: Six kinds of brackets were examined. The control group (mC) consisted of interactive metal self-ligating brackets while the experimental group (CC, EC, MA, QK, and WA) consisted of interactive ceramic self-ligating brackets. Atomic force microscopy-lateral force microscopy and scanning electron microscopy-energy-dispersive X-ray spectroscopy were used to analyze the surface of each bracket clip. Results: All the clips in the experimental groups were coated with rhodium except for the QK clip. The results showed that the QK clip had the lowest average roughness on the outer surface, followed by the MA, EC, WA, and CC clips. However, the CC clip had the lowest average roughness on the inner surface, followed by the QK, WA, MA, and EC clips. The QK clip also had the lowest relative friction on the outer surface, followed by the MA, EC, CC, and WA clips. Likewise, the CC clip had the lowest relative friction on the inner surface, followed by the QK, WA, MA, and EC clips. Conclusions: The surface roughness and relative friction of the rhodium-coated clips were generally higher than those of the uncoated clips.

목차

INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
REFERENCES

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