Which of the following is essential for preventing dental caries?
1. Fluorine
2. Iodine
3. Iron
4. Zinc
Answer:
Dental Caries or tooth decay is the damage that occurs to teeth which can potentially result in cavities, dental abscesses or even tooth loss.
Fluorine makes the enamel resistant to the action of acids thereby preventing the chance of dental caries.
So, the correct answer is (A).