Tooth Eruption

Tooth Eruption

Question 1. The sequence of the eruption of deciduous teeth.
Answer:

The order of eruption of deciduous teeth is as follows:

A B D C E

• Lower central incisor
• Upper central incisor
• Lower lateral incisor
• Upper lateral incisor
• First molars
• Canines
• Second molars.

The first tooth starts erupting at 62 months and the last tooth by 3 years.

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Question 2. The sequence of the eruption of permanent teeth.
Answer:

• The order of eruption of upper permanent teeth.

6 1 2 4 5 3 7 8

• The order of eruption of lower permanent teeth

6 1 2 3 4 5 7 8

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• The order of permanent teeth is as follows.
• First molars
• Lower central and lateral incisors
• Upper centrals
• Upper laterals
• Lower canines
• First premolars
• Second premolars
• Upper canines
• Second molars
• Third molars.

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