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Reference: Stookey GK, Mau MS, Isaacs RL, Gonzalez-Gierbolini C, Bartizek RD, Biesbrock AR. Caries Res. 2004;38:542-550.
In a 2-year clinical trial, subjects in both the high-dose sodium fluoride dentifrice (2,800 ppm F) group and the 0.454% stabilized stannous fluoride dentifrice (SnF2, 1,100 ppm F) group showed significantly fewer caries increments than subjects in the sodium fluoride positive control dentifrice group (1,100 ppm F). The low-NaF group (550 ppm F) and the positive control group did not differ.
To compare the anticaries effectiveness of a low-dose (500 ppm F) and high-dose (2,800 ppm F) sodium fluoride dentifrice (low-NaF and high Na-F) and an experimental dentifrice (SnF2; 1,100 ppm F) with a sodium fluoride positive control dentifrice (1,100 ppm F) over 2 years. (Note: This was an early prototype of the eventual marketed stannous fluoride/sodium hexametaphosphate product.)
- Both examiners showed that caries increments were lower in the high-NaF group than the control group.
- Both examiners showed statistically significantly less caries in the SnF2 group than the positive control group.
- Neither examiner showed statistically significant differences in caries increments between low-NaF and positive control groups.