Compounds of fluorine, including sodium fluoride, are used in toothpaste and in drinking water to prevent dental cavities.
Question 13. To protect tooth decay we are advised to brush our teeth regularly. The nature of the tooth paste commonly used is (a) acidic (b) neutral (c) basic (d) corrosive
To prevent tooth decay, one is advised to brush the teeth regularly. The ingredient of the paste which checks tooth decay is: