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Effectiveness of Two Self-Etchings Bonded Clinically in Caries Affected Dentin with Homogeneous Smear Layer
Joint Authors
Pinna, Roberto
Usai, Paolo
Arrica, Mariantonietta
Milia, Egle
Source
Issue
Vol. 2015, Issue 2015 (31 Dec. 2015), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2015-05-28
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Abstract EN
Aim.
To examine the interface of two self-etchings in carious affected dentin (CAD), under clinical conditions.
Materials and Methods.
Class I cavities were prepared in 21 carious premolars, refining them by the use of a fine diamond bur in order to create similar smear layer interference.
The mild self-etching Clearfil SE Bond (CSE), pH = 2.0, and the strong Tyrian SPE-One Step Plus (TSO), pH = 0.5, were applied followed by a composite.
Teeth were extracted and processed for TEM.
The primer’s osmolarity of the self-etchings was also calculated using a microosmometer.
Results.
CSE hybrid layer retained smear layer residues and scattered crystallites as an effect of the mild acidity.
A high presence of hydroxyapatite still protected the affected fibres within the hybrid layer.
CSE primer demonstrated values of 3220 mOsm/kg.
TSO interdiffusion showed strong demineralization.
Resin tags were not formed in the dentinal tubules which remained obstructed by crystals.
However, dissolution of peritubular dentin and porosities were observed in the intertubular regions.
The osmolarity of TSO was 8200 mOsm/kg.
Conclusion.
Increasing the acidity and osmolarity of the self-etchings increases interference in the homogeneous reinforcement of CAD, which may predispose the hybrid layer to instability and hydrolytic degradation overtime.
American Psychological Association (APA)
Pinna, Roberto& Usai, Paolo& Arrica, Mariantonietta& Milia, Egle. 2015. Effectiveness of Two Self-Etchings Bonded Clinically in Caries Affected Dentin with Homogeneous Smear Layer. Journal of Nanomaterials،Vol. 2015, no. 2015, pp.1-7.
https://search.emarefa.net/detail/BIM-1069058
Modern Language Association (MLA)
Pinna, Roberto…[et al.]. Effectiveness of Two Self-Etchings Bonded Clinically in Caries Affected Dentin with Homogeneous Smear Layer. Journal of Nanomaterials No. 2015 (2015), pp.1-7.
https://search.emarefa.net/detail/BIM-1069058
American Medical Association (AMA)
Pinna, Roberto& Usai, Paolo& Arrica, Mariantonietta& Milia, Egle. Effectiveness of Two Self-Etchings Bonded Clinically in Caries Affected Dentin with Homogeneous Smear Layer. Journal of Nanomaterials. 2015. Vol. 2015, no. 2015, pp.1-7.
https://search.emarefa.net/detail/BIM-1069058
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1069058