Primary prevention of dental caries includes-

Correct option is B

Sol. Dental health education is considered the primary prevention method for dental caries. Educating people about good oral hygiene practices can help in preventing dental caries before they develop.
Explanation of each option:
· (a) Chlorination – Chlorination is a water treatment process to kill bacteria, but it is not specifically a method for preventing dental caries.
· (b) Dental health education – Correct answer. Educating the population about proper brushing, flossing, and avoiding sugary foods is the primary method for preventing dental caries.
· (c) Mass screening – While screening can detect early signs of dental issues, it is not a prevention method but a diagnostic one.
· (d) Dental fitting, teeth extraction – These are treatments, not preventive methods. They are used after dental caries have developed.