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Noninvasive detection of microleakage in all-ceramic crowns using quantitative light-induced fluorescence technology

Authors
 You-Jin Maeng  ;  Hyung-Suk Lee  ;  Eun-Song Lee  ;  Hong-Cheol Yoon  ;  Baek-Il Kim 
Citation
 PHOTODIAGNOSIS AND PHOTODYNAMIC THERAPY, Vol.30 : 101672, 2020-06 
Journal Title
 PHOTODIAGNOSIS AND PHOTODYNAMIC THERAPY 
ISSN
 1572-1000 
Issue Date
2020-06
Keywords
Cariogenic biofilm ; Crown microleakage ; Quantitative light-induced fluorescence (QLF) technology ; Recurrent caries
Abstract
The early noninvasive detection of crown microleakage is very important for tooth maintenance and preservation. A crown margin in a subgingival position combined with the obscuring effect of a ceramic crown make it difficult to diagnose microleakage using traditional methods such as visual-tactile examinations and radiography. The aim of this study was to determine the effectiveness of quantitative light-induced fluorescence (QLF) technology for diagnosing microleakage in an all-ceramic crown noninvasively. In this study the red fluorescence glow was detected through a crown wall using the Qraycam QLF device (AIOBIO, Seoul, Republic of Korea). No abnormalities were detected by a visual examination, whereas the Qraycam device revealed both strong red fluorescence and fluorescence loss in suspicious lesions, which were confirmed after crown removal. It was possible to determine that the carious lesions inside the crown were related to bacteria-induced microleakage. After performing caries removal and crown reattachment, the red fluorescence glow was no longer detected. QLF examinations made it easy to identify the presence of microleakage in an all-ceramic crown noninvasively based on red fluorescence. These findings indicate that QLF technology can be effectively applied to provide objective evidence for detecting microleakage and diagnosing carious lesions inside an all-ceramic crown noninvasively.
Full Text
https://www.sciencedirect.com/science/article/pii/S1572100020300259
DOI
10.1016/j.pdpdt.2020.101672
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Preventive Dentistry and Public Oral Health (예방치과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Baek Il(김백일) ORCID logo https://orcid.org/0000-0001-8234-2327
Lee, Eun Song(이은송) ORCID logo https://orcid.org/0000-0002-2949-4783
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/180130
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