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Children's toothbrush contamination in day-care centers: how to solve this problem?

Abstract：

OBJECTIVE:To evaluate the contamination level of toothbrushes by mutans streptococci (MS) and the efficacy of antimicrobial solutions: cetylpyridinium chloride 0.05 % (CPC; Cepacol™) and chlorhexidine 0.12 % (CHX; Periogard™), to disinfect toothbrushes of preschool-aged children in day-care centers. MATERIAL AND METHODS:Fifty-two children were randomly divided into three groups, and a three-stage changeover system was used with a 1-week interval between each stage. Solutions were used by a different group of children in each stage. Children were submitted to a 1 minute brushing without dentifrice, performed by a professional calibrated, followed by random spraying over the bristles of brushes. Process and microbiological analysis were realized, and four brushes of each group were analyzed by scanning electron microscopy (SEM). RESULTS:Friedman's test at 5 % significance level revealed difference between the antimicrobial solutions (p < 0.01). MS were detected in 100 % cases of toothbrushes sprayed with sterile tap water (control) and in 66.7 % after spraying with CPC, but it was not detected formation of colonies/biofilms after spraying with CHX. The data were confirmed by SEM. CONCLUSIONS:The toothbrushes were contaminated with MS after a single brushing. CLINICAL RELEVANCE:Although CPC has shown good results in comparison with the control, CHX showed greater efficacy in disinfection bristles of toothbrushes.

journal_name

Clin Oral Investig

journal_title

Clinical oral investigations

authors

Nelson-Filho P,Pereira MS,De Rossi A,da Silva RA,de Mesquita KS,de Queiroz AM,da Silva LA

doi

10.1007/s00784-013-1169-y

subject

Has Abstract

pub_date

2014-11-01 00:00:00

pages

1969-74

issue

8

eissn

1432-6981

issn

1436-3771

journal_volume

18

pub_type

杂志文章,随机对照试验

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