Pegged or absent maxillary lateral incisors

Question

Quizplus · Accepted Answer

Pegged or absent maxillary lateral incisors are accompanied by congenitally lacking premolar teeth in 10% to 20% of the population. Both the primary and secondary dentition can be affected by pegged or absent maxillary lateral incisors, but mostly the latter. Pegged or absent maxillary lateral incisors are prevalent in 1% to 3% of the white population and in about 7% of the Asian population. Pegged or absent maxillary lateral incisors are generally an autosomal-dominant trait with variable expressivity.

Pegged or Absent Maxillary Lateral Incisors