PAL - Chronology of Tooth Eruption

In PRIMARY dentition, which tooth is the first tooth to erupt?

• Maxillary central incisor

• Mandibular central incisor

• Maxillary lateral incisor

• Mandibular lateral incisor

What is the sequence of eruption of primary teeth?

• ABCDE

• ACBDE

• ABDCE

• ABCED

Permanent maxillary canine erupts at around age 11-12.

• True

• False

At what age will the permanent maxillary first molar erupts?

• 5-6

• 6-7

• 7-8

• 8-9

In PERMANENT dentition, which anterior tooth is the first to erupt?

• Maxillary central incisor

• Maxillary lateral incisor

• Mandibular central incisor

• Mandibular lateral incisor

When does all the crown of primary dentition completes its formation?

• 7 months old

• 10 months old

• 1 year old

• 1.5 years old

When does dental development begins?

• 4 weeks in utero

• 8 weeks in utero

• 11 weeks in utero

• 6 weeks in utero

Which of the following is NOT the reason for delayed eruption and exfoliation of primary dentition?

• Crowding of the jaw

• Premature birth and low birth weight

• Bruxism

• Vitamin C deficiency