Patients were randomised to receive a high fluoride toothpaste, 1.1% sodium fluoride (5000 ppm F) or a regular toothpaste (1350 ppm F). Packaging was identical and standard brushes were also provided.

Fluoride is found naturally in soil, water, and foods. It is also synthetically produced for use in drinking water, toothpaste, mouthwashes, and various chemical products. Water authorities add ...

That target, 0.7 ppm, ... Fluoride is often an ingredient in toothpaste and mouthwash. More from CBS News. New grocery store brings fresh food and fresh hope to North Minneapolis.