Multiple choice Milk teeth fall at the age of ____________and are replaced by______. 4-6 years; molars 6 - 8 years; incisors 10 -14 years; permanent teeth 6 -8 years; permanent teeth Reveal answer Fill a bubble to check yourself D Correct answer Explanation Yes, it is correct. Milk teeth grows during infancy, fall of at the age between 6- 8 years and are replaced by permanent teeth.