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논문 기본 정보

자료유형
학술저널
저자정보
Theodore Eliades (University of Zurich, Zurich) George Eliades (National and Kapodistrian University of Athens)
저널정보
대한치과교정학회 대한치과교정학회지 대한치과교정학회지 제54권 제4호
발행연도
2024.7
수록면
199 - 209 (11page)

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초록· 키워드

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The clinical application of aligners is accompanied by the ageing of the polymer appliances and the attachments used, which may result in inefficiency in reaching the predicted range of tooth movement, and release of compounds and microplastics in the oral cavity as a result of the friction, wear and attrition of the aligner and composite attachment. The purpose of this review is to present the mechanism and effects of in vivo ageing; describe the hydrolytic degradation of aligners and enzymatic degradation of composite attachments; examine the ageing pattern of aligners in vivo, under actual clinical scenarios; and identify a link to the discrepancy between predicted and actual clinical outcome. Lastly, strategies to deal with three potentially critical issues associated with the use of aligners, namely the necessity of weekly renewal, the dissimilar mechanical properties of aligner and attachment resulting in wear and plastic deformation of the aligner, and the development of integuments and biofilms with microbial colonization of the appliance, are discussed.

목차

INTRODUCTION
IN VIVO AGEING OF ALIGNERS AND COMPOSITES: SURFACE ALTERATIONS ACCOMPANYING THE EXPOSURE OF POLYMERS IN THE ORAL CAVITY
WATER ATTACK AND HYDROLYTRIC DEGRADATION OF ALIGNERS AND ATTACHMENTS: EFFECTS ON THE MECHANICAL PROPERTIES, CLINICAL OUTCOME AND ELUTION OF COMPOUNDS
PROBLEM-SOLVING APPROACHES IN ADDRESSING THE SHORTCOMINGS OF THE SYSTEM
CONCLUSIONS
REFERENCES

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