- - Protector of some canines
- - What is added to toothpaste and water supplies to prevent tooth decay?
- - Flew ride, we hear, over chemical compound
- - Substance in toothpaste
- - Chemical found in most toothpastes
- - Toothpaste chemical
- - Toothpaste additive that prevents tooth decay
- - Tooth-saving compound?
- - Mouthwash ingredient
- - Enamel strengthener
- - Ingredient in most toothpastes
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