The mother of a 7-month-old reports that the first lower central incisor has erupted. She asks the nurse, "How many teeth will he have by his first birthday?" The nurse would explain that by 1 year of age, the infant usually has:
A) Two teeth
B) Four teeth
C) Six teeth
D) Eight teeth

Question

Quizplus · Accepted Answer

The 1-year-old infant usually has about six teeth, four above and two below.

The Mother of a 7-Month-Old Reports That the First Lower