Which of the following ingredient helps to prevent tooth decay?
To prevent tooth decay, one is advised to brush the teeth regularly. The ingredient of the paste which checks tooth decay is:
227. One of the hardest substance of our body is the teeth enamel. It does not dissolve in water but is corroded when the pH in the mouth is below 5.5. How does toothpaste prevent tooth decay? Identify the substance which helps to prevent tooth decay.
Which of the following helps to prevent corrosion?