Evaluating the effects of remineralizing agents on initial carious lesions.

Authors

Suwimon Jettanacheawchankit, Tuksaporn Pongpradit, Amornrat Euapokai, Auchchara Eiamsakul, Kritsa Wongmoon, Kornchanok Wayakanon

Published in

Canadian journal of dental hygiene : CJDH = Journal canadien de l'hygiene dentaire : JCHD. Volume 59. Issue 1. Pages 18-28. Epub Feb 01, 2025.

Abstract

Initial carious lesions are reversible, and fluoride-containing reagents effectively promote enamel remineralization in these initial lesions. Numerous remineralizing agents are available, some containing fluoride and others containing alternatives because of fluoride toxicity concerns. The objective of this study was to investigate the effects of the following remineralizing agents: fluoride varnish (5% NaF, Duraphat^®), casein phosphopeptide-amorphous calcium phosphate paste (CPP-ACP, Tooth Mousse^®), and casein phosphopeptide-amorphous calcium phosphate fluoride paste (CPP-ACPF, Tooth Mousse Plus^®) on initial carious lesions.
Forty human maxillary premolar teeth were randomized into 4 experimental groups: distilled water, fluoride varnish, CPP-ACP, and CPP-ACPF. All 40 teeth were cut in half mesiodistally. A Vickers microhardness test was performed on the buccal half of each tooth; the lingual half was examined with a spectrophotometer for colour dimension. An Atomic Force Microscope was used to evaluate roughness. During the experiments, microhardness, colour, and roughness were examined 3 times: 1) before treatment; 2) after demineralization; and 3) after remineralization. At each stage, a scanning electron microscope was used to examine surface features and enable energy dispersive X-ray chemical composition analysis.
Demineralization carried out in preparation for testing of the agents caused enamel hardness to decrease significantly. Enamel roughness increased, although not significantly. After remineralization, each of the 3 remineralizing agents had significantly increased both hardness and lightness (L*), compared to the demineralized enamel. Each agent decreased enamel roughness, but the roughness change was not significant.
Comparing the 3 remineralizing agents, there were no significant differences between the agents in effectiveness.

PMID:
40166723
Bibliographic data and abstract were imported from PubMed on 01 Apr 2025.

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