Eruption dates Flashcards
Eruption of:
Primary upper first incisor (A)
8 months
Eruption of:
Primary upper second incisor (B)
9 months
Eruption of:
Primary upper canine (C)
18 months
Eruption of:
Primary upper first molar (D)
14 months
Eruption of:
Primary upper second molar (E)
24 months
List the order of eruption of upper primary teeth
A - 8 months B - 9 months C- 18 months D- 14 months E- 24 months
Eruption of:
Primary lower first incisor (A)
6 months
Eruption of:
Primary lower second incisor (B)
7 months
Eruption of:
Primary lower canine (C)
16 months
Eruption of:
Primary lower first molar (D)
12 months
Eruption of:
Primary lower second molar (E)
20 months
List the order of eruption of lower primary teeth
A - 6m B - 7m C - 16m D - 12m E- 20m
Write a table of the eruption of upper and lower primary teeth (in months)
_ Upper_ Lower A 8 6 B 9 7 C 18 16 D 14 12 E 24 20
Time of eruption in years of the:
UPPER PERMANENT FIRST INCISOR (1)
7-8
Time of eruption in years of the:
UPPER PERMANENT SECOND INCISOR (2)
8-9
Time of eruption in years of the:
UPPER PERMANENT CANINE (3)
11-12
Time of eruption in years of the: UPPER PERMANENT FIRST PREMOLAR (4)
10
Time of eruption in years of the: UPPER PERMANENT SECOND PREMOLAR (5)
11
Time of eruption in years of the: UPPER PERMANENT FIRST MOLAR
6
Time of eruption in years of the: UPPER PERMANENT SECOND MOLAR
12-13
Time of eruption in years of the: LOWER PERMANENT FIRST INCISOR
6-7
Time of eruption in years of the: LOWER PERMANENT SECOND INCISOR
7-8
Time of eruption in years of the: LOWER PERMANENT CANINE
10-11
Time of eruption in years of the: LOWER PERMANENT FIRST PREMOLAR
10-11
Time of eruption in years of the: LOWER PERMANENT SECOND PREMOLAR
11
Time of eruption in years of the: LOWER PERMANENT FIRST MOLAR
6
Time of eruption in years of the: LOWER PERMANENT SECOND MOLAR
12
Eruption of 8s? When do they finish calcification
Highly variable
- eruption around 17-21 years
- Calcification complete at 8-14 years
Which teeth have completed calcification at birth?
Upper and lower 6s
Which teeth have completed calcification at 6 months
Upper 1 and 3
Lower 123
Which teeth have completed calcification at 2 years
Upper 2 and 4
Lower 4s
Which teeth have completed calcification at 4 years
Upper 5s and 7s
Lower 5s and 7s
When is root formation generally complete?
2-3 years after eruption
Draw a table on the eruption dates of upper and lower permanent teeth
\_\_\_Upper\_\_Lower 1 --- 7-8 --- 6-7 2--- 8-9 --- 7-8 3--- 11-12 -- 10-11 4--- 10 --- 10-11 5--- 11 --- 11 6--- 6 --- 6 7---12 --- 12
