Use Case a and Figure 5-28 to Answer the Following

Use Case A and Figure 5-28 to answer The Following questions
CASE AMixed Dentition
The mother of this young patient has expressed an interest in an orthodontic assessment for her child. The patient is cooperative and interested. Her oral hygiene is good. The hygienist notes several loose primary teeth. The gingiva surrounding the partially erupted teeth appears red and edematous. The mother has questions about when the partially erupted teeth will be fully formed and erupt into the oral cavity.
-Which of the following is NOT a characteristic of the mixed dentition stage?

A) Clinical crowns appear to be consistently at the same height
B) Crowding
C) Different tooth colors
D) Disproportionately sized teeth