NDA2016General AbilityGeneral ScienceActual
Fluoride toothpaste is sometimes recommended because fluoride
Options
- Aprevents plaque formation
- Bhardents the enamel of the tooth
- Ckills pathogenic bacteria
- Dprevents tooth ache
Correct answer
B. hardents the enamel of the tooth
Step-by-step solution
Fluoride is effective in preventing and reversing the early signs of dental caries (tooth decay) by hardening the enamel of the tooth.