Multiple choice

Deficiency of which of the following minerals causes dental decay?

  1. Fluorine

  2. Potassium

  3. Sodium

  4. Phosphorus

  5. Calcium

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is the correct option. Deficiency of fluorine causes dental decay. Fluoride taken in correct amount helps prevent tooth decay by making the tooth more resistant to acid attacks from plaque bacteria and sugars in the mouth. It also reverses early decay.