Question

For tooth decay to occur, the pH level of the mouth should be below____.

Answer 1

Tooth decay:

1. Tooth decay is the degradation of the enamel (thin outer covering of the tooth) due to bacterial infection.
2. Tooth decay leads to the formation of cavities which causes permanent holes in the teeth.
3. Tooth decay can occur to bad tooth hygiene, seldom brushing, consuming sugary drinks, etc.
4. Carbonated soft drinks lead to acidic pH, hence leading to tooth decay.

Final answer: For tooth decay to occur, the pH level of the mouth should be below 5.5.