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Quintessence Int. 2008 Nov;39(10):827-31.

In vitro reduction of mutans streptococci by means of ozone gas application.

Author information

1
Department of Microbiology, School of Medicine, University of Granada, Granada, Spain.

Abstract

OBJECTIVE:

To evaluate, in vitro, the antimicrobial effect of ozone gas on strains of reference mutans streptococci and strains isolated from children at a high risk of developing caries.

METHOD AND MATERIALS:

A series of dilutions was obtained from a total of 41 strains, and the effect of ozone was determined for applications of 10, 20, and 40 seconds, as well as a control, in terms of the reduction of viable bacteria.

RESULTS:

Ozone application for 10 and 20 seconds produced a significant reduction in the number of bacteria, inversely proportional to the bacterial concentration. When exposure lasted 40 seconds, no viable bacteria were obtained.

CONCLUSIONS:

Both time of application and initial bacterial concentration bear an influence on the antimicrobial effect of ozone on mutans streptococci.

PMID:
19093059
[Indexed for MEDLINE]

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