Combining CPP-ACP with fluoride: a synergistic remineralization potential of artificially demineralized enamel or not?

I. I. El-Sayad; A. K. Sakr; Y. A. Badr

doi:10.1117/12.805611

29 August 2008 Combining CPP-ACP with fluoride: a synergistic remineralization potential of artificially demineralized enamel or not?

I. I. El-Sayad, A. K. Sakr, Y. A. Badr

Author Affiliations +

Proceedings Volume 7065, Reflection, Scattering, and Diffraction from Surfaces; 70651A (2008) https://doi.org/10.1117/12.805611
Event: Optical Engineering + Applications, 2008, San Diego, California, United States

Abstract

Background and objective: Minimal intervention dentistry (MID) calls for early detection and remineralization of initial demineralization. Laser fluorescence is efficient in detecting changes in mineral tooth content. Recaldent is a product of casein phosphopeptide-amorphous calcium phosphate (CPP- ACP) which delivers calcium and phosphate ions to enamel. A new product which also contains fluoride is launched in United States. The remineralizing potential of CPP- ACP per se, or when combined with 0.22% Fl supplied in an oral care gel on artificially demineralised enamel using laser fluorescence was investigated. Methods: Fifteen sound human molars were selected. Mesial surfaces were tested using He-Cd laser beam at 441.5nm with 18mW power as excitation source on a suitable set-up based on Spex 750 M monochromator provided with PMT for detection of collected auto-fluorescence from sound enamel. Mesial surfaces were subjected to demineralization for ten days. The spectra from demineralized enamel were measured. Teeth were then divided according to the remineralizing regimen into three groups: group I recaldent per se, group II recaldent combined with fluoride gel and group III artificial saliva as a positive control. After following these protocols for three weeks, the spectra from remineralized enamel from the three groups were measured. The spectra of enamel auto-fluorescence were recorded and normalized to peak intensity at about 540 nm to compare between spectra from sound, demineralized and remineralized enamel surfaces. Results: A slight red shift was noticed in spectra from demineralized enamel, while a blue shift may occur in remineralized enamel. Group II showed the highest remineralizing potential. Conclusions: Combining fluoride with CPP-ACP had a synergistic effect on enamel remineralization. In addition, laser auto-fluorescence is an accurate technique for assessment of changes in tooth enamel minerals.

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I. I. El-Sayad, A. K. Sakr, and Y. A. Badr "Combining CPP-ACP with fluoride: a synergistic remineralization potential of artificially demineralized enamel or not?", Proc. SPIE 7065, Reflection, Scattering, and Diffraction from Surfaces, 70651A (29 August 2008); https://doi.org/10.1117/12.805611

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