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CC BY-NC-ND 4.0 · Eur J Dent 2015; 09(01): 001-005
DOI: 10.4103/1305-7456.149628
Original Article
Dental Investigation Society

Reliability of marginal microleakage assessment by visual and digital methods

Fábio Augusto de Santi Alvarenga
1   Department of Restorative Dentistry, Araraquara School of Dentistry, UNESP – Univ Estadual Paulista, Araraquara, São Paulo, Brazil
,
Camila Pinelli
2   Department of Community Dentistry, Araraquara School of Dentistry, UNESP – Univ Estadual Paulista, Araraquara, São Paulo, Brazil
,
Leonor de Castro Monteiro Loffredo
2   Department of Community Dentistry, Araraquara School of Dentistry, UNESP – Univ Estadual Paulista, Araraquara, São Paulo, Brazil
› Author Affiliations
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Publication History

Publication Date:
04 September 2019 (online)

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ABSTRACT

Objective: The aim of this study was to investigate the reliability of visual and digital methods to assess marginal microleakage in vitro. Materials and Methods: Typical Class V preparations were made in bovine teeth and filled with composite resin. After dye penetration (0.5% basic fuchsin), teeth were sectioned and the 53 obtained fragments were assessed according to visual (stereomicroscope) and digital methods (Image Tool Software®-ITS) (University of Texas Health Science Center-San Antonio Dental School, USA). Two calibrated examiners (A and B) evaluated dye penetration, by means of a stereomicroscope with ×20 magnification (scores), and by the ITS (millimeters). The intra- and inter-examiner agreement was estimated according to Kappa statistics (κ), and intraclass correlation coefficient (ρ). Results: In relation to the visual method, the intra-examiner agreement was almost perfect (κA = 0.87) and substantial (κB = 0.76), respectively to the examiner A and B. The inter-examiner agreement showed an almost perfect reliability (κ = 0.84). For the digital method, the intra-examiner agreement was almost perfect for both examiners and equal to ρ = 0.99, and so was the inter-examiner agreement value. Conclusion: Visual (stereomicroscope) and digital methods (ITS) showed high levels of intra- and inter-examiner reproducibility when marginal microleakage was assessed.

Key words:

Assessment - composite resin - microleakage - reproducibility of results
 

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