Effectiveness of a chlorhexidine dentifrice in orthodontic patients: a randomized-controlled trial
: K. P. K. Olympio
: journal of clinical periodontology
This blind and randomized-controlled trial analysed chlorhexidine dentifrices in
relation to dental plaque, gingivitis, bleeding, calculus and enamel extrinsic staining
development. Volunteers in fixed orthodontic therapy used the following dentifrices:
1100 ppmF, NaF (group A, n527); experimental, 1100 ppmF, NaF and chlorhexidine
0.95% (group B, n528); and experimental, chlorhexidine 0.95% (group C, n528).
At baseline, after 6, 12 and 24 weeks, clinical examinations were carried out. The
gingivitis, bleeding and plaque data were tested by ANOVA and TukeyÃ¢â‚¬â„¢s post hoc tests.
Stain and calculus data were analysed by KruskalÃ¢â‚¬â€œWallis and DunnÃ¢â‚¬â„¢s post hoc tests
(po0.05). Plaque, gingivitis and bleeding scores improved in all three groups, but up
to the 6 and 12 weeks examination the products containing chlorhexidine were
statistically better. The chlorhexidine dentifrices significantly increased the mean of
the stain index, although most of the patients did not notice the stains. The calculus
index was not significantly modified. In summary, this study suggests that the use of
dentifrices containing chlorhexidine seems to be effective for the treatment of
gingivitis in orthodontic patients, although the intense motivating contact that the
volunteers had with the researchers may have also played a role.
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