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논문 기본 정보

자료유형
학술저널
저자정보
Yunmi Kim (Yonsei University) Jung-Yul Cha (Yonsei University) Chung-Ju Hwang (Yonsei University) Hyung Seog Yu (Yonsei University) Seon Gun Tahk (Yonsei University)
저널정보
대한치과교정학회 대한치과교정학회지 대한치과교정학회지 제44권 제4호
발행연도
2014.7
수록면
157 - 167 (11page)

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초록· 키워드

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Objective: The purpose of this study was to evaluate the clinical efficacy of polymer- and rhodium-coated wires compared to uncoated wires by measuring the frictional forces using self-ligation brackets. Methods: 0.016-inch nickel titanium (NiTi) wires and 0.017 × 0.025-inch stainless steel (SS) wires were used, and the angulations between the brackets and wires were set to 0o, 5o, and 10°. Upper maxillary premolar brackets (Clippy-C<SUP>®</SUP>) with a 0.022-inch slot were selected for the study and a tensile test was performed with a crosshead speed of 5 mm/min. The maximum static frictional forces and kinetic frictional forces were recorded and compared. Results: The maximum static frictional forces and the kinetic frictional forces of coated wires were equal to or higher than those of the uncoated wires (p < 0.05). The maximum static frictional forces of rhodium-coated wires were significantly higher than those of polymer-coated wires when the angulations between the brackets and wires were set to (i) 5o in the 0.016-inch NiTi wires and (ii) all angulations in the 0.017 × 0.025-inch SS wires (p < 0.05). The kinetic frictional forces of rhodium-coated wires were higher than those of polymer-coated wires, except when the angulations were set to 0o in the 0.016-inch NiTi wires (p < 0.05). Conclusions: Although the frictional forces of the coated wires with regards to aesthetics were equal to or greater than those of the uncoated wires, a study under similar conditions regarding the oral cavity is needed in order to establish the clinical implications.

목차

INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
REFERENCES

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UCI(KEPA) : I410-ECN-0101-2015-510-002711919