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Dokumentation 36
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Effectiveness of stannous fluoride and calcium hydroxide
against Enterococcus faecalis.
Mickel AK, Sharma P, Chogle S.
Postgraduate Endodontics Program, Department of Endodontics, Case Western
Reserve University School of Dentistry, Cleveland, OH 44106-4905, USA.
The objective of this study was to evaluate the antimicrobial activity of
stannous fluoride, calcium hydroxide, or the two in combination against
Enterococcus faecalis. Fifteen Mueller-Hinton agar plates were used to
conduct a disc diffusion susceptibility test. The plates were inoculated
with E. faecalis. The groups tested were: (a) stannous fluoride (Stanimax);
(b) calcium hydroxide; and (c) a combination of stannous fluoride and
calcium hydroxide. Three filter paper discs, each soaked with one of the
groups, were placed along with an antibiotic control (ampicillin) on each
agar plate. The plates were then incubated at 37 degrees C. The zones of
inhibition were measured at 24 and 48 h. One-way ANOVA revealed a
statistically significant difference (p < 0.05) between the three groups.
Stannous fluoride displayed the widest zone (1.7 mm), followed by the
combination of stannous fluoride and calcium hydroxide (1.1 mm), whereas
calcium hydroxide by itself displayed a minimal zone of inhibition (0.05
mm).
Die Autoren untersuchen die antibakterielle Wirkung von Stanimax und Ca(OH)2
auf E. Faecalis. Während Stanimax einigermaßen Wirkung zeigt, erweist sich
Ca(OH)2 als praktisch unwirksam. Eine Mischung aus Stanimax und Ca(OH)2 ist
wirksamer als Ca(OH)2 allein, jedoch weniger wirksam als Stanimax allein.
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