eruption dates

Question 1

When do mandibular central incisors (31, 41) erupt?

Answer 1

6–7 years

Mandibular central incisors are the first teeth to erupt in the lower jaw.

Question 2

When do maxillary central incisors (11, 21) erupt?

Answer 2

7–8 years

Maxillary central incisors are usually the first teeth to erupt in the upper jaw.

Question 3

When do mandibular lateral incisors (32, 42) erupt?

Answer 3

7–8 years

These teeth typically follow the eruption of the central incisors.

Question 4

When do maxillary lateral incisors (12, 22) erupt?

Answer 4

8–9 years

Maxillary lateral incisors follow the eruption of the maxillary central incisors.

Question 5

When do mandibular canines (33, 43) erupt?

Answer 5

9–10 years

Canines are often later in the eruption sequence.

Question 6

When do maxillary canines (13, 23) erupt?

Answer 6

11–12 years

Maxillary canines are the last of the anterior teeth to erupt.

Question 7

When do first premolars (14, 24, 34, 44) erupt?

Answer 7

10–11 years

First premolars are also known as bicuspids.

Question 8

When do second premolars (15, 25, 35, 45) erupt?

Answer 8

10–12 years

Second premolars typically erupt after the first premolars.

Question 9

When do first permanent molars (16, 26, 36, 46) erupt?

Answer 9

6–7 years

First permanent molars are often referred to as ‘six-year molars.’

Question 10

When do second permanent molars (17, 27, 37, 47) erupt?

Answer 10

11–13 years

Second permanent molars are known as ‘twelve-year molars.’

Question 11

When do third molars (wisdom teeth: 18, 28, 38, 48) erupt?

Answer 11

17–21 years

Third molars may not erupt for everyone, and some may require extraction.

Question 12

What is the usual first permanent tooth to erupt?

Answer 12

Mandibular first molars (36, 46) at age 6

These molars are crucial for the development of the dental arch.