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. 2009 Jul;12(3):118-22.
doi: 10.4103/0972-0707.57636.

Chemical analysis of dentin surfaces after Carisolv treatment

Veena S Pai  1 , Roopa R Nadig, Tg Jagadeesh, G Usha, J Karthik, Ks Sridhara
Affiliations

Chemical analysis of dentin surfaces after Carisolv treatment

Veena S Pai et al. J Conserv Dent. 2009 Jul.

Abstract

Aims and objectives: This study was done to characterize the surface chemistry after caries excavation with burs and Carisolv 2, by analyzing the relative amounts of organic and inorganic content, and also to analyze the penetration of the adhesive after etching and bonding using Micro Raman spectroscopy.

Materials and methods: Twenty extracted molars with caries were distributed into the following groups and treated accordingly. Group 1-excavation with bur (10 teeth), and Group 2-excavation using Carisolv 2 (10 teeth).

Results and conclusion: Spectroscopic analysis showed that there was no significant difference in the chemical composition of the tooth between the groups after excavation (P > 0.05) either with bur or with Carisolv. The penetration of the dentin bonding resin in all samples of the Carisolv group was up to 15mum, whereas, in the bur group it was upto 10mum in few samples. Scanning Electron Microscopic analysis showed the surfaces of the Carisolv-treated dentin to be free of the smear layer, with open tubules, whereas, the dentin surfaces of the bur group showed surfaces covered with a smear layer. In the Carislov group the resin tags were found comparatively deeper than in the bur excavation group. In both the groups the integrity of the remaining dentin surfaces were maintained chemically and morphologically.

Keywords: Carisolv 2; Raman spectroscopy; scanning electron microscopy.

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Conflict of interest statement

Conflict of Interest: None declared.

Figures

Graph 1
Graph 1
MRS spectra obtained for normal dentin - peaks at 960 cm−1 (phosphate) and 1666 cm−1 (amide I) used as internal standards
Graph 2
Graph 2
MRS spectra obtained from dentin surfaces after excavation by bur. Peaks are similar to normal dentin
Graph 3
Graph 3
MRS spectra obtained from dentin surfaces after excavation using Carisolv. Peaks are similar to normal dentin
Graph 4
Graph 4
MRS spectra obtained from dentin surfaces after excavation by Carisolv in which caries and Carisolv both remain
Graph 5
Graph 5
MRS spectra obtained from dentin surfaces after excavation by bur and after adhesive application
Graph 6
Graph 6
MRS spectra obtained from dentin surfaces after excavation using Carisolv, and after adhesive application
Figure 1
Figure 1
After excavation before bonding; after application of bonding agent
See this image and copyright information in PMC

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