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2570 Dental

Which of the following is true regarding crowding of the dentition?

ACrowding of the primary dentition usually resolves as the permanent teeth erupt.
BSpacing in the primary dentition usually indicates spacing will be present in the permanent dentition.
CApproximately 15% of adolescents have crowding severe enough to consider extraction of permanent teeth as part of treatment. (Correct Answer)
DLower incisor crowding is more common in African-American than white populations.