Question 3 of 10

Fluoridation of water provokes many diseases.
A: yes
ERROR
Correct answer: The level of fluoride in water, salt and toothpaste (according to numerous studies over the past 70 years) has not yet given rise to diseases more serious than fluorosis, leading to staining and staining of tooth enamel.
B: No
RIGHT
Explanation: The level of fluoride in water, salt and toothpaste (according to numerous studies over the past 70 years) has not yet given rise to diseases more serious than fluorosis, leading to staining and staining of tooth enamel.