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Study treatments
| Toothpaste group | Relevant formulation ingredients |
|---|---|
| Test toothpaste | 0.254% w/w NaF (1150 ppm fluoride), 5% KNO3, PVM/MA copolymer, sodium lactate, pH 6.2 |
| Placebo toothpaste | 5% KNO3, PVM/MA copolymer, sodium lactate (0 ppm fluoride) |
| Reference toothpastea | 0.454% w/w SnF2 (1100 ppm fluoride), zinc citrate (‘SnF2-Zn’) |
aCrest® Pro-Health Sensitivity and Enamel Shield (Smooth Formula); Procter & Gamble Company, Cincinnati, OH, USA; US-marketed product
