Korean J Orthod.
1997 Apr;27(2):173-180.
Microbial change in dental plaque after chlorhexidine varnish treatment to orthodontic patients
- Affiliations
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- 1Department of Orthodontics, College of Dentistry, Seoul National University, Korea.
Abstract
- The purpose of this study was to evaluate the effectiveness of chlorhexidine varnish treatment in the prevention of dental caries in orthodontic patients by observing microbial change in dental plaque after varnish treatment. The sample consisted of 26 patients who were classified into an experimental group and a control group, 13 patients each. The experimental group was treated with cl orhexidine varnish once a week for 4 weeks. The control group was treated with placebo varnish using the same procedure, The microbial change was analysed by indirect immunofluorescenize technique before treatment and 4 weeks, 8 weeks after treatment. The results were as follows. 1. Streptococcus inutans were strongly suppressed until 8 weeks after chlorhexidine varnish treatment(p<0.01). 2 The proportion of Streptococcus sanguis increased temporarily 4 weeks after chlorhexidine varnish treatment(p<0.U5), decreased to original level after 8 weeks. 3. Streptococcus mitts, Actinomyces viscosus, Actinomyces naeslundii did not show significant change after chlorhexidine varnish treatment.
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