Age of Tooth Eruption and Root Formation

· by · in Perio-Ortho, Periodontics. ·

A quick reminder timetable of age of tooth eruption and apex formation (closure).

Eruption and Dental Age

Tooth

Maxilla
(yrs)

Mandible
(yrs)
Central Incisors 7 7
Lateral Incisors 8 7.5
Canine 11-12 9-10
1st Premolars 10-11 9-10
2nd Premolars 11-12 9-10
1st Molars 6 6
2nd Molars 12 12
Age of Apex Formation

Tooth

Maxilla
(yrs)

Mandible
(yrs)
Central Incisors 10 9-9.5
Lateral Incisors 11 9.5
Canine 14-15 12-13
1st Premolars 13-14 12-13
2nd Premolars 14-15 12-13
1st Molars 9.5 9.5
2nd Molars 15 15

 

3 responses to “Age of Tooth Eruption and Root Formation”

  1. I guess that I read a paper posted here about the normal periodotium ,speaking in detail s about the gingival fibre , would u please tell me how can i read it again , many thanks

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