High strontium addition to chlorhexidine-fluoride gel does not increase its caries-preventive effect in rats

Authors

  • Satu Spets-Happonen Department of Preventive Dentistry and Cariology, University of Kuopio, Kuopio, Finland
  • Heikki Luoma Department of Preventive Dentistry and Cariology, University of Kuopio, Kuopio, Finland
  • Liisa Seppä Department of Preventive Dentistry and Cariology, University of Kuopio, Kuopio, Finland

DOI:

https://doi.org/10.3109/00016359609006011

Keywords:

Antimicrobial agents, caries, laboratory animals

Abstract

One hundred Osborne-Mendel rats were weaned at the age of 21 to 22 days, inoculated with Streptococcus mutans in the mouth, and fed a semisynthetic diet for the next 43 days. The control group received no treatment. The study groups received gel applications on their molars with placebo, chlorhexidine-fluoride (CXF), CXF plus 50ppm Sr, or CXF plus 250 ppm Sr daily for the first 21 days of the experiment. Although caries was significantly reduced by CXF and CXF plus 50 ppm Sr treatments, the Sr additive did not significantly improve the caries-preventive effect of CXF. The addition of 250 ppm Sr to the CXF gel seemed markedly to weaken the effect of CXF.

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Published

1996-01-01

Issue

Vol. 54 No. 2 (1996): Acta Odontologica Scandinavica

Section

Articles