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Antimicrobial Efficacy of Propolis-Containing Varnish in Children: A Randomized and Double-Blind Clinical Trial
Author(s) -
Edílson Martins Rodrigues Neto,
Lídia Audrey Rocha Valadas,
Patrícia Leal Dantas Lobo,
Said Gonçalves da Cruz Fonseca,
Francisco Vagnaldo Fechine,
Mara Assef Leitão Lotif,
Mary Anne Medeiros Bandeira,
Julia Fontinele Mendonça,
Karianne Marques de Mendonça,
Marta Maria de França Fonteles
Publication year - 2021
Publication title -
evidence-based complementary and alternative medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.552
H-Index - 90
eISSN - 1741-4288
pISSN - 1741-427X
DOI - 10.1155/2021/5547081
Subject(s) - varnish , deciduous teeth , chlorhexidine , fluoride varnish , dentistry , hand sanitizer , saliva , medicine , antimicrobial , molar , chemistry , food science , biology , microbiology and biotechnology , organic chemistry , coating
Dental caries is a sugar-dependent condition common in childhood, which causes microbiological imbalance in dental biofilm. The present study evaluated the antimicrobial efficacy of a 2.5% Brazilian Red Propolis (BRP) dental varnish to prevent caries in children. Seventy-five children with high caries risk, aged between 36 and 71 months and with no caries, were assigned to three groups to receive varnish treatment containing 2.5% BRP, 1% chlorhexidine, or 5% fluoride. The varnish was applied to the occlusal surfaces of the deciduous second molars on the first day of treatment (D1), after 90 days (D90), and 180 days of the start of treatment (D180). Saliva was collected to assess S. mutans before each varnish application and 180 days at the end of treatment (D360). Values were expressed in log10 (CFU/mL). Statistics were performed by applying repeated measures of variance analysis, Tukey's multiple comparisons test, and paired t -test. In the first dilution (1 : 10), there was microbial load reduction at the following periods: BRP in D0-D90 ( p < 0.05) and D0-D180 ( p < 0.01); fluoride in D0-D90 ( p < 0.001); and chlorhexidine in D0-D180 ( p < 0.05). In the second dilution (1 : 100), there was microbial load reduction in the groups at the following periods: BRP in D0-D90 ( p < 0.05) and D0-D180 ( p < 0.01); fluoride in D0-D180 ( p < 0.05), and chlorhexidine in D0-180 ( p < 0.01) and D0-360 ( p < 0.05). The 2.5% BRP dental varnish was effective in decreasing S. mutans colonies in saliva when used within 90 days.

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