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Antiseptic mouthwashes: in vitro antibacterial activity / Antissépticos bucais: atividade antibacteriana
Watanabe, Evandro; Nascimento, Andresa P; Tanomaru, Juliane M. Guerreiro; Razaboni, Ana M; Andrade, Denise de; Tanomaru Filho, Mário.
  • Watanabe, Evandro; University of Sao Paulo. School of Dentistry of Ribeirao Preto. Department of Restorative Dentistry. Ribeirao Preto. BR
  • Nascimento, Andresa P; Apis Flora Industrial e Comercial. Ribeirao Preto. BR
  • Tanomaru, Juliane M. Guerreiro; UNESP. Araraquara School of Dentistry. Department of Restorative Dentistry. Araraquara. BR
  • Razaboni, Ana M; University of Sao Paulo. School of Dentistry of Ribeirao Preto. Department of Restorative Dentistry. Ribeirao Preto. BR
  • Andrade, Denise de; University of Sao Paulo. Ribeirao Preto Nursing School. Department of General and Specialized Nursing. Ribeirao Preto. BR
  • Tanomaru Filho, Mário; UNESP. Araraquara School of Dentistry. Department of Restorative Dentistry. Araraquara. BR
Acta odontol. latinoam ; 28(2): 180-184, 2015. tab
Article in English | LILACS | ID: lil-768623
ABSTRACT
Mouthwashes are used as an adjunct to tooth brushing for improving breath and preventing oral diseases. The aim of this study was to compare the in vitro Maximum Inhibitory Dilution (MID) of 3 mouthwashes with different active ingredients against mutans streptococci (MS). The products analyzed were Periogard, Cepacol and Plax Fresh Mint. Theirantibacterial activity was assessed in duplicate in 96-well microtiter plates against 36 clinical isolates of MS. Each mouthwash was submitted to a serial two-fold dilution (1/2.5 to 1/5120) using double concentration of Tryptose Soy Broth with 1.0% yeast extract. The final volume in each well was 100mL plus 5 mL of a bacterial suspension, equivalent to 107 CFU/mL. They were incubated microaerobically at 37ºC for48 hours and the MIDs determined. MID was 1/320 forPeriogard and Cepacol, and 1/20 for Plax. Statisticalanalysis revealed that the MID of Periogard MID did not differ from that of Cepacol (p>0.05), and was higher than that of Plax (p<0.05). In conclusion, the antiseptic mouthwashes containing chlorhexidine (Periogard) and cetylpyridinium chloride (Cepacol) had higher in vitroantibacterial activity(MID) against MS than the antiseptic mouthwash containing triclosan (Plax), according to microbiological method employed.
RESUMO
Os antissépticos bucais são utilizados mundialmente como adjuvantes da escovação para melhoria do hálito e prevenção de doenças bucais infeciosas. O objetivo deste estudo foi comparar in vitro a Diluição Inibitória Máxima (DIM) de 3 antissépticos bucais com diferentes princípios ativos contra estreptococos do grupo mutans (EGM). Os produtos analisados foram Periogard, Cepacol e Plax FreshMint. A atividade antibacteriana foi avaliada em duplicata em placasde microtilulação de 96 poços contra 36 isolados clínicos de EGM. Cada antisséptico bucal foi submetido a diluição dupla seriada (1/2,5 a 1/5120) com o emprego de concentração dupla de TryptoseSoyBrothwith adicionado de 1,0% de extrato de levedura. O volume final em cada poço foi de 100 mL mais 5mL da suspensão bacteriana equivalente a 10 UFC/mL. A incubação foi realizada em microaerofilia a 37ºC por 48 horas e a DIM deteminada. Periogard e Cepacol apresentaram DIM de 1/320, e Plax de 1/20. Os resultados submetidos asanálises estatísticas revelaram que a DIM do Periogard não foi diferente do Cepacol(p>0,05) sendo maior que do Plax (p<0,05). Em conclusão, os antissépticos bucais contendo clorexidina (Periogard) e cloreto de cetilpiridínio (Cepacol) demonstraram maior atividade antibacteriana in vitro (DIM)contra os EGM do que o antisséptico bucal contendo triclosan (Plax) de acordo com o método microbiológico utilizado.
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Index: LILACS (Americas) Main subject: Streptococcus mutans / Microbial Sensitivity Tests / Mouthwashes Limits: Humans Language: English Journal: Acta odontol. latinoam Journal subject: Dentistry Year: 2015 Type: Article Affiliation country: Brazil Institution/Affiliation country: Apis Flora Industrial e Comercial/BR / UNESP/BR / University of Sao Paulo/BR

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Index: LILACS (Americas) Main subject: Streptococcus mutans / Microbial Sensitivity Tests / Mouthwashes Limits: Humans Language: English Journal: Acta odontol. latinoam Journal subject: Dentistry Year: 2015 Type: Article Affiliation country: Brazil Institution/Affiliation country: Apis Flora Industrial e Comercial/BR / UNESP/BR / University of Sao Paulo/BR