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VOLUME 19 , ISSUE 4 ( 2018 ) > List of Articles

ORIGINAL RESEARCH

Remineralization Potential of Three Different Dentifrices using Raman Spectroscopy and Confocal Laser Scanning Microscope

Tisson V Job, Girish T Narayana, Kishan K Venkappa, Shameem Ahsan, Jayakkodi Harikaran

Keywords : Casein phosphopeptide–amorphous calcium phosphate, Fluoride, NovaMin, Remineralization, Tricalcium phosphate

Citation Information : Job TV, Narayana GT, Venkappa KK, Ahsan S, Harikaran J. Remineralization Potential of Three Different Dentifrices using Raman Spectroscopy and Confocal Laser Scanning Microscope. J Contemp Dent Pract 2018; 19 (4):420-425.

DOI: 10.5005/jp-journals-10024-2277

License: CC BY-NC 3.0

Published Online: 01-04-2018

Copyright Statement:  Copyright © 2018; Jaypee Brothers Medical Publishers (P) Ltd.


Abstract

Aim: The aim of this study was to compare the remineralization potential of three different dentifrices using Raman spectroscopy and confocal laser scanning microscopy (CLSM). Materials and methods: Totally, 30 extracted intact impacted third molar teeth were selected and the crown of each tooth in a group was separated from the root and longitudinally sectioned into four parts with each section under a subgroup, of which one section was an untreated section, the second and the third sections were demineralized in a demineralizing solution, and the third section was remineralized after demineralization. The teeth in the three groups were demineralized for 4 days and then treated with 0.21% sodium fluoride dentifrice with tricalcium phosphate, casein phosphopeptide–amorphous calcium phosphate (CPP-ACP), and NovaMin for 14 days, following which the teeth surfaces were studied using Raman spectroscopy and CLSM to assess the remineralization potential of the three dentifrices. The data were recorded and analyzed statistically. Results: Raman spectroscopic analysis revealed better remineralization with CPP-ACP, which was statistically significant from the groups treated with the NovaMin dentifrice and the fluoridecontaining dentifrice. Confocal laser scanning microscopic examination also revealed significant differences between the three groups with the NovaMin-containing dentifrice demonstrating a greater remineralization of the surface when compared with the CPP-ACP dentifrice. The teeth samples treated with fluoride-containing dentifrice demonstrated the least remineralization among the three groups. Conclusion: It can be concluded that the demineralized samples of teeth treated with CPP-ACP showed the highest concentration of phosphate ions when analyzed using Raman spectroscopy, and the microscopic examination using confocal laser revealed a better surface remineralization of the demineralized samples when treated with the NovaMin technology. Clinical significance: There is a great need to find ways to enhance the remineralization process and transfer such knowledge into clinical therapy to alter caries balance for the better, especially in individuals with a high cariogenic bacterial challenge.


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