Marina Lins Miranda, Karina Borges Salomão, Alberto Carlos Botazzo Delbem, Marcelle Danelon, Elis Rodrigues Oliveira Barbosa, Caio Sampaio, Lucas Arrais Campos, Fernanda Lourenção Brighenti
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引用次数: 0
摘要
目的：研究不同浓度的精氨酸（Arg）与氟化物（F）和/或甘油磷酸钙（CaGP）对生物膜的影响：分析生物膜的产酸性、微生物活力以及钙、氟和无机磷（P）的浓度：结果：对于细菌总数而言，无论精氨酸浓度和 CaGP 的存在与否，含 F 组的存活率最低。对于酸性细菌，在氟存在的情况下，不同浓度的精氨酸没有发现显著差异。对于 MS，在氟存在的情况下，精氨酸浓度不会影响 MS 的存活率，而 CaGP 只在 Arg 浓度为 3.2% 时才会降低存活率。精氨酸处理组的致酸性最低。就生物膜中的离子浓度而言，CaGP 的 P 值最高；Arg+F 的 F 值最高；CaGP/Arg+CaGP 的 Ca 值最高：结论：不同浓度的精氨酸不会影响生物膜的微生物活力或酸度。此外，0.8% 的 Arg 不会增加生物膜液体中的离子浓度。
Arginine combination with fluoride and calcium glycerophosphate: effects of concentration and on biofilm fluid.
Aim: To study the influence of varying concentrations of arginine (Arg) combined with fluoride (F) and/or calcium glycerophosphate (CaGP) on biofilms.Materials & methods: Biofilms were analyzed for acidogenicity, microbial viability and Ca, F and inorganic phosphorus (P) concentrations.Results: For total bacteria, the lowest viability was found in F-containing groups, regardless of the arginine concentrations and presence of CaGP. For aciduric bacteria, no significant differences were found among arginine concentrations in the presence of F. For MS, arginine concentrations did not influence MS viability in the presence of fluoride and CaGP only decreased viability at 3.2% Arg concentration. The arginine-treated groups showed the lowest acidogenicity. For ion concentrations in biofilms, CaGP showed the highest values for P; Arg+F for F; and CaGP/Arg+CaGP for Ca.Conclusion: Different concentrations of arginine did not affect the microbial viability or acidogenicity of biofilms. Moreover, 0.8% Arg did not increase ion concentration in biofilm fluid.
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