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  • Title: APF foam does reduce caries in primary teeth.
    Author: Evans D.
    Journal: Evid Based Dent; 2007; 8(1):7. PubMed ID: 17380171.
    Abstract:
    DESIGN: A double-blind, cluster randomised, placebo-controlled trial was conducted. INTERVENTION: Acidulated phosphate fluoride foam (APF; 1.23%) or placebo (fluoride-free) foam were applied by a dental practitioner twice per year for 2 years. Oral examinations were undertaken at baseline and after 2 years, following World Health Organization criteria for caries diagnosis. OUTCOME MEASURE: Caries increment was evaluated after 2 years. RESULTS: In total, 392 children of age 3-4 years were recruited, of whom 209 were randomised to the test group and 183 to the control. One hundred and sixty-seven test and 151 control children completed the study. There was no mean caries increment (measured as decayed, missing or filled primary teeth; dmfs) in 38.3% of test and 26.5% of control group children. The figure for dmfs was 3.8 in the test and 5.0 in the control group (P 0.03). A significant difference was also observed in caries increment on approximal surfaces between test and control groups (P<0.01). CONCLUSIONS: Bi-annual professional application of APF foam, over 2 years, was effective in reducing caries increment in primary teeth.
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