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. 2014 Sep 26;7(2):110–124. doi: 10.1038/ijos.2014.49

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Copyright © 2015 West China School of Stomatology

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/3.0/

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Comparison of Raman spectral data acquired in the region of 1 030 cm⁻¹ and 1 670 cm⁻¹ at 5 μm levels. (a) Control; (b–e) 1%, 3%, 5% and 10% RF-modified adhesive specimens. The principal bands identified are amide bands (I and III) along with C–H alkyl groups in the resin–dentin specimens. The single arrow indicates the pyridinium ring group where accentuated intensity is observed in 3% RF-modified adhesive specimen. RF, riboflavin.