Eruption Dates Flashcards
Primary dentition only
6 months to 2 years
2 years to 6 years - all 20 primary present
No teeth
Edentulous
From birth to 6 months
Mixed dentition
6 to 12 years
6-9 years
All 8 permanent incisors replace primary incisors
9 to 12 years
All 4 permanent canines replace primary canines
All 8 premolars replace primary molars
12 years
2nd molars emerge distal to permanent 1st molars
Adult dentition
After 12 years - 28 permanent present, all primary shed and replaced
17-21 years
3rd molars (if present) emerge
Primary Mandibular Central Incisor
6 months
Primary Mandibular Lateral Incisor
7 months
Primary Maxillary Central Incisor
7 1/2 months
Primary Maxillary Lateral Incisor
9 months
Primary Mandibular 1st Molar
12 months
Primary Maxillary 1st Molar
14 months
Primary Mandibular Canine
16 months
Primary Maxillary Canine
18 months
Primary Mandibular 2nd Molar
20 months
Primary Maxillary 2nd Molar
24 months
Amount of time between primary and mixed dentition
3 1/2 years
Permanent Mandibular then Maxillary 1st Molars
5 3/4 - 6 years
OR
6-7 years
Permanent Mandibular Central Incisor
6 years
Permanent Maxillary Central and Mandibular Lateral Incisors
7-8 years
Permanent Maxillary Lateral Incisor
8-9 years
Permanent Mandibular Canine
9-10 years
