Repositório Digital

A- A A+

Effect of silver nanoparticles on the physicochemical and antimicrobial properties of an orthodontic adhesive

.

Effect of silver nanoparticles on the physicochemical and antimicrobial properties of an orthodontic adhesive

Mostrar registro completo

Estatísticas

Título Effect of silver nanoparticles on the physicochemical and antimicrobial properties of an orthodontic adhesive
Autor Degrazia, Felipe Weidenbach
Leitune, Vicente Castelo Branco
Garcia, Isadora Martini
Arthur, Rodrigo Alex
Samuel, Susana Maria Werner
Collares, Fabrício Mezzomo
Abstract Ortodontiv treatment with fixed brackets plays a mayor role on the formation of white spot lesions. Objective:Tadhesive and evaluate its physicochemical and antimicrobial properties. Material and Methods: Silver nanoparticle solutions were added to a commercial adhesive in different concentrations (w/w): 0%, 0.11%, 0.18%, and 0.33%. Shear bond strength (SBS) test was performed after bonding metal brackets to enamel. Raman spectroscopy was used to analyze in situ the degree of conversion (DC) of the adhesive layer. The surface free energy (SFE) was evaluated after the measurement of contact angles. Growth inhibition of Streptococcus mutans in liquid and solid media was determined by colony-forming unit count and inhibition halo, respectively. One-way ANOVA was performed for SBS, DC, SFE, and growth inhibition. Results: The incorporation of AgNP solution decreased the SBS (p<0.001) and DC in situ (p<0.001) values. SFE decreased after addition of 0.18% and 0.33% AgNP. Growth inhibition of S. mutans in liquid media was obtained after silver addition (p<0.05). Conclusions: The addition of AgNP solutions to Transbond™ XT adhesive primer inhibited S. mutans growth. SBS, DC, and SFE values decreased after incorporation up to 0.33% AgNP solution without compromising the chemical and physical properties of the adhesive.
Contido em Journal of applied oral science. Bauru. Vol. 24, no. 4 (July/Aug. 2016), p. 404-410
Assunto Anti-infecciosos
Materiais odontologicos : Adesivos
Ortodontia
[en] Anti-bacterial agents
[en] Dental cements
[en] Metal nanoparticles
[en] Shear strenght
Origem Nacional
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/164338
Arquivos Descrição Formato
001018829.pdf (227.3Kb) Texto completo (inglês) Adobe PDF Visualizar/abrir

Este item está licenciado na Creative Commons License

Este item aparece na(s) seguinte(s) coleção(ões)


Mostrar registro completo

Percorrer



  • O autor é titular dos direitos autorais dos documentos disponíveis neste repositório e é vedada, nos termos da lei, a comercialização de qualquer espécie sem sua autorização prévia.
    Projeto gráfico elaborado pelo Caixola - Clube de Criação Fabico/UFRGS Powered by DSpace software, Version 1.8.1.