Silver nanoparticles (NNPs), alone or in combination with the bioadhesive Gantrez S-97, have demonstrated their efficacy against Streptococcus mutans; however, it is not known if this combination changes the color of teeth. The aim of this work was to measure the color changes occurring after the use of a Gantrez-NNP combination on enamel tooth blocks. Two study groups were randomly formed: enamel blocks brushed with a) the Gantrez-NNP combination and b) conventional toothpaste, for 1 minute once daily for 4 weeks, then rinsed with distilled water and placed in thymol solution. Color changes in the enamel blocks were measured using a Minolta colorimeter CR300. Analysis of mixed models was performed with R 2.10.1 at a 95%confidence level, using the nonlinear mixed effects (NLME) package. The results showed that there were no color changes over time, only a high luminosity equal in both groups. Our study showed that the use of the Gantrez-NNP combination is safe with respect to dental esthetics in the control of S. mutans.
In vitro Determination of the Chromatic Effect of a Silver Nanoparticles Solution Linked to the Gantrez S-97 Copolymer on Tooth Enamel
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Juan Francisco Hernández-Sierra, Facundo Ruíz, Juan Pablo Castanedo-Cázares, Vera Martinez-Ruiz, Peter Mandeville, Mauricio Pierdant-Pérez, Antonio Gordillo-Moscoso, Amaury de J Pozos-Guillén; In vitro Determination of the Chromatic Effect of a Silver Nanoparticles Solution Linked to the Gantrez S-97 Copolymer on Tooth Enamel. J Clin Pediatr Dent 1 September 2010; 35 (1): 65–68. doi: https://doi.org/10.17796/jcpd.35.1.f466p70100253643
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