Influence of caries activity and number of saliva donors: mineral and microbiological responses in a microcosm biofilm model
J. appl. oral sci
; J. appl. oral sci;29: e20200778, 2021. tab, graf
Article
em En
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| ID: biblio-1340096
Biblioteca responsável:
BR1.1
ABSTRACT
Abstract Objective this study evaluated the mineral and microbiological response of biofilms originating from different types of saliva inoculum with distinct levels of caries activity. Methodology the biofilms grown over enamel specimens originated from saliva collected from a single donor or five donors with two distinct levels of caries activity (caries-active and caries-free) or from pooling saliva from ten donors (five caries-active and five caries-free). The percentage surface hardness change (%SHC) and microbiological counts served as outcome variables. Results the caries activity of donors did not affect the %SHC values. Inoculum from five donors compared to a single donor showed higher %SHC values (p=0.019). Higher lactobacilli counts were observed when saliva from caries-active donors was used as the inoculum (p=0.017). Pooled saliva from both caries activity levels showed higher mutans streptococci counts (p<0.017). Conclusion Overall, pooled saliva increased the mineral response of the derived biofilms, but all the inoculum conditions formed cariogenic biofilms and caries lesions independently of caries activity.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
LILACS
Assunto principal:
Saliva
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Cárie Dentária
Tipo de estudo:
Prognostic_studies
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Systematic_reviews
Limite:
Humans
Idioma:
En
Revista:
J Appl Oral Sci
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J. appl. oral sci
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J. appl. oral sci. (Online)
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Journal of applied oral science (Impresso)
Ano de publicação:
2021
Tipo de documento:
Article