Tooth Eruption

1
Tooth Eruption

• Radiograph Test

2
What age?
3
7 years of age
Apices of 1st permanent molar still wide open
Mixed Dentition
Premolars have not erupted
4
What Age?
5
2 ½ Years of Age
Permanent 1st Molar crowns
All primary teeth have erupted
No premolars have formed just hard tissue
6
What Age?
7
5 ½ Years Old
1st Permanent Molar has erupted thru bone not
mucosa
Apices are wide open
8
What Age?
9
4 Years of Age
All permanent anterior crowns are present
Premolars crown formation has started
10
What Age?
11
9 Years of Age
Permanent 1st Molar roots are complete
12
Test Yourself (click to reveal the answers)

• Primary Teeth Eruption

4-8 months thru age 2
7 years of age
Permanent Teeth Eruption
End of Mixed Dentition
12-14 years old
Old enough for the mines
Eruption of 1st Permanent Molar
6 years old
12 years old
Eruption of 2nd Permanent Molar
factory molar
13
Sorry if the child labor was depressing

• But check out this little guy!

An usually mature mouth