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Related Experiment Videos

Gingival bleeding after chlorhexidine mouthrinses

J Ainamo, S Asikainen, L Paloheimo

    Journal of Clinical Periodontology
    |July 1, 1982
    PubMed
    Summary

    Chlorhexidine rinses, used for plaque control, may increase gingival bleeding tendency compared to mechanical oral hygiene. This effect, though observed, was not deemed clinically significant in the study.

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    Area of Science:

    • Dentistry
    • Periodontology
    • Oral Microbiology

    Background:

    • Clinical trials evaluating antiplaque agents sometimes yield unexpected observations.
    • Previous studies have focused on the antiplaque efficacy of chlorhexidine rinses.

    Purpose of the Study:

    • To validate an observation of increased gingival bleeding after chlorhexidine rinse use compared to mechanical oral hygiene.
    • To quantify the frequency of gingival bleeding under different oral hygiene conditions.

    Main Methods:

    • A clinical trial involving dental students repeating a previous experiment.
    • Assessment of gingival bleeding frequency after gentle probing following 1 week of twice-daily 0.2% chlorhexidine rinsing versus mechanical oral hygiene.

    Main Results:

    • Gingival bleeding occurred more frequently after chlorhexidine rinsing (5.4% of units) than after mechanical cleaning (1.3% of units).
    • The observed difference in bleeding frequency between the two methods was not considered clinically significant.

    Conclusions:

    • One week of 0.2% chlorhexidine rinsing may be associated with a higher tendency for gingival bleeding than mechanical oral hygiene.
    • Further microbiological and histological research is needed to elucidate the mechanism behind the observed bleeding tendency.

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