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Master's Dissertation
DOI
https://doi.org/10.11606/D.58.2022.tde-06122022-182150
Document
Author
Full name
Jéssica Dantas Abreu
Institute/School/College
Knowledge Area
Date of Defense
Published
Ribeirão Preto, 2022
Supervisor
Committee
Souza, Fernanda de Carvalho Panzeri Pires de (President)
Arruda, Carolina Noronha Ferraz de
Carvalho, Fabricio Kitazono de
Rontani, Regina Maria Puppin
Title in Portuguese
Incorporação de biosilicato em óleo de coco para remineralização de lesões cariosas incipientes
Keywords in Portuguese
Biomaterial
Biosilicato
Cárie dentária
Lesão de mancha branca
Remineralização dentária
Abstract in Portuguese
Este estudo avaliou a eficácia da incorporação de diferentes concentrações de Biosilicato ao óleo de coco no potencial remineralizador e na rugosidade de superfície de lesões de mancha branca. Fragmentos (6x6x2mm) de dentes bovinos foram seccionados e leituras iniciais de microdureza e rugosidade de superfície foram obtidas. As amostras foram submetidas a desafio cariogênico para formação de cárie artificial e separadas em 6 grupos, conforme o tipo de tratamento a que foram submetidas: 1) Saliva Artificial; 2) Óleo de Coco (OC); 3) OC + 2% de Biosilicato (OC + 2% Bio); 4) OC + 5% de Biosilicato (OC + 5% Bio); 5) Suspensão de Biosilicato a 2% (Bio2%) e 6) Suspensão de Biosilicato a 5% (Bio5%). Os tratamentos foram realizados por 5 minutos e ao final de 3, 7 e 14 dias, foram realizadas leituras de microdureza e rugosidade de superfície. Os dados de alteração de rugosidade de superfície e microdureza relativa foram analisados (Kruskal-Wallis, pós-teste de Dunn, p<0,05) e demonstraram que amostras tratadas com OC+2% Bio apresentaram menor rugosidade após 7 dias e quando tratadas com OC+5% Bio após 14 dias em relação ao grupo Controle. Quanto à microdureza, após tratamento com Bio2% e Bio 5% resultaram em valores semelhantes ao controle após 7 dias. O potencial remineralizador foi analisado (ANOVA, Tukey, p<0,05) e não houve diferença entre os tratamentos, mas quanto maior o tempo de tratamento, maior a remineralização do esmalte. Concluiu-se que o Biosilicato associado ou não ao OC apresentaram potencial remineralizador no tratamento da lesão de mancha branca.
Title in English
Biosilicate incorporation in coconut oil for remineralization of incipient carious lesions
Keywords in English
Biomaterial
Biosilicate
Dental caries
Dental remineralization
White spot lesion
Abstract in English
This study evaluated the efficacy of incorporating different concentrations of Biosilicate to coconut oil on the remineralizing potential and surface roughness of white spot lesions. Fragments (6x6x2mm) of bovine teeth were sectioned and initial microhardness and surface roughness readings were obtained. The samples were submitted to cariogenic challenge for artificial caries formation and separated into 6 groups, according to the type of treatment to which they were submitted: 1) Artificial Saliva; 2) Coconut Oil (CO); 3) OC + 2% Biosilicate (CO + 2% Bio); 4) CO + 5% Biosilicate (CO + 5% Bio); 5) 2% Biosilicate Suspension (Bio 2%) and 6) 5% Biosilicate Suspension (Bio 5%). The treatments were carried out for 5 minutes and at the end of 3, 7 and 14 days, microhardness and surface roughness readings were taken. The data on changes in surface roughness and relative microhardness were analyzed (Kruskal-Wallis, Dunn post-test, p<0.05) and showed that samples treated with CO + 2% Bio showed lower surface roughness after 7 days and when treated with CO + 5% Bio after 14 days compared to the Control group. As for microhardness, after treatment with Bio 2% and Bio 5% resulted in values similar to the control group after 7 days. The remineralization potential was analyzed (ANOVA, Tukey, p<0.05) and there was no difference between the treatments, but the longer the treatment time, the greater the enamel remineralization. It was concluded that Biosilicate associated or not with CO showed remineralizing potential in the treatment of white spot lesion.
 
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Publishing Date
2022-12-07
 
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