Tooth Eruption Flashcards
What erupts first in primary teeth - lower or upper
lower erupt first
except lateral incisors
What is the sequence of eruption for primary teeth
ABDCE
When do the As erupt
6-8 months
When do the Bs erupt
9-10 months
When do the D’s erupt
13-14 months
When do the C’s erupt
16-17 months
When do the Es erupt
23-26 months
When is the primary dentition complete by
2.5-3 years
How long does it take primary teeth to complete apex-genesis
1.5 years
How long does it take the contralateral teeth to appear when one tooth has erupted
contra lateral teeth should have erupted within 3 months of the other
What erupts first in permanent teeth - lower or upper
Lower teeth tend to erupt before upper teeth with the exception of the second premolars
What is the sequence of eruption in upper permanent teeth
Goes from 1st permanent molar then front to back (except canine)
Order = 6, 1, 2, 4, 5, 3, 7, 8
What age do upper centrals erupt
7 years old
What age do upper laterals erupt?
8 years old
What age do upper canine erupt?
11 years
What age do upper premolars erupt?
10 years
What age do upper 6s erupt?
6 years
What age do upper 7s erupt?
12 years
What is the sequence of eruption for lower teeth?
Goes from 1st permanent molars then front to back
Order = 6, 1, 2, 3, 4, 5, 6, 7, 8
What age do lower centrals erupt?
6 years
What age do lower laterals erupt?
7 years
What age do canines erupt?
9 years
What age do lower premolars erupt?
10 years
What age do lower 6s erupt?
6 years
