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Master's Dissertation
DOI
https://doi.org/10.11606/D.85.2008.tde-16102009-150801
Document
Author
Full name
Rodrigo Crespo Mosca
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2008
Supervisor
Committee
Nascimento, Nanci do (President)
Cardoso, André Gustavo Tempone
Passos, Luiz Augusto Corrêa
Title in Portuguese
Inibição do crescimento da microflora oral por venenos de serpentes
Keywords in Portuguese
Bothrops jararacussu
Bothrops moojeni
Streptococcus mutans
Abstract in Portuguese
A saúde bucal, na maioria dos municípios brasileiros, constitui ainda um grande desafio aos princípios do Sistema Único de Saúde, principalmente no que se refere à universalização, à eqüidade do atendimento e alto custo envolvido na terapia restauradora. A procura pela descoberta de novos compostos metabólicos com atividade antibacteriana para a prevenção de doenças bucais e talvez com menores impactos a saúde e financeiros, seria muito importante para obtenção de um meio efetivo de controle da formação de um biofilme patogênico e da cárie dental. O objetivo deste trabalho é estudar a viabilidade biotecnológica do uso de venenos nativos de diferentes serpentes quanto à capacidade de inibir o crescimento de Streptococcus mutans, principal agente envolvido na cárie dental. Nossos resultados mostraram que os venenos das serpentes Bothrops moojeni e Bothrops jararacussu inibiram o crescimento de Streptococcus mutans e o componente responsável pela inibição parece ser a peróxido de hidrogênio. Apesar de ainda não totalmente conclusivos, os ensaios já realizados, permitem afirmar que venenos de serpentes são ferramentas importantes na inibição do crescimento de patógenos, especificamente daqueles envolvidos nas doenças cariogênicas.
Title in English
GROWTH INHIBITION OF ORAL MICROFLORA BY SNAKE VENOMS
Keywords in English
Bothrops jararacussu
Bothrops moojeni
Streptococcus mutans
Abstract in English
The oral health at the most of Brazilian municipalities is still a big challenge to the principles of the Brazilian Health Unique System (SUS), particularly with regard to the globalization, the equity of care and high cost involved in restorative therapy. The demand for discovery of new natural products with antibacterial activity in order to prevent dental diseases and perhaps with fewer health and financial impacts, would be very important to achieve an effective means to control the formation of a pathogenic biofilm and dental caries. The objective of this work is to study the feasibility of the use of different snakes crude venom in inhibiting the growth of Streptococcus mutans, the principal agent involved in dental caries. Our results showed that Bothrops moojeni and Bothrops jararacussu venoms were able to inhibit the growth of Streptococcus mutans and the component responsible for that inhibition appears to be the hydrogen peroxide. Though still not fully conclusive, the tests already carried out, show that snake venoms are important tools to inhibit the growth of pathogens, specifically those involved in caries diseases. MOSCA, R.C., 2008 7 SUMÁRIO 1. INTRODUÇÃO................................................................................................
 
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Publishing Date
2009-11-27
 
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