The purpose of this study is to investigate the ability of an experimental dentifrice containing 1150 parts per million (ppm) fluoride to remineralize acid-softened dental enamel and help prevent further demineralization compared to a 0 ppm fluoride placebo dentifrice and a marketed, fluoride-containing dentifrice (Reference Dentifrice).
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Adjusted Mean Percent Surface Microhardness Recovery (%SMHR) at 4 Hours (Test Dentifrice Versus (vs.) Placebo Control Dentifrice)
Timeframe: At 4 hours of intra-oral exposure following treatment on Day 1 of each treatment period (each treatment period was of 2 days with 3 days washout in between)