At what time is the crown completed for the tooth indicated?
The correct answer for A would be about 1.5 months or 6 weeks; B, About 4 to 5 years; C, About 2.5 months or 10 weeks; D, About 4 to 5 years.
Primary maxillary central incisor, 3 weeks.
Permanent maxillary central incisor, 2 to 3 years.
Primary maxillary lateral incisor, 2 to 3 months.
Permanent maxillary lateral incisor, 2 to 3 years.