Question 4 of 8

At what age can teeth be whitened?
A: from 2 years old
ERROR
Correct answer: You can resort to bleaching from the age of 10, since by this time all the front molars have already appeared. Milk teeth are usually white. They should only be whitened if the injury has caused discoloration but has not led to tooth decay.
B: from 5 years old
ERROR
Correct answer: You can resort to bleaching from the age of 10, since by this time all the front molars have already appeared. Milk teeth are usually white. They should only be whitened if the injury has caused discoloration but has not led to tooth decay.
C: from 10 years old
RIGHT
Explanation: You can resort to bleaching from the age of 10, since by this time all the front molars have already appeared. Milk teeth are usually white. They should only be whitened if the injury has caused discoloration but has not led to tooth decay.
D: from 18 years old
ERROR
Correct answer: You can resort to bleaching from the age of 10, since by this time all the front molars have already appeared. Milk teeth are usually white. They should only be whitened if the injury has caused discoloration but has not led to tooth decay.