eruption and mineralisation dates

Question 1

what age do primary centrals and laterals erupt

Answer 1

6 - 8 months
before turning 1

Question 2

what age do primary canines and 1st molars erupt

Answer 2

once baby turns one
1st molars 12-15 months
canines 18-20 months

Question 3

what age to primary second molars erupt

Answer 3

age 2-3 years

Question 4

when does calcification of permanent 1st molars begin and end
when do they erupt

Answer 4

commences around birth
finished around age 3
erupt around age 6

Question 5

when does calcification of permanent central incisors begin and end and when do they erupt

Answer 5

calcification begins around 3 months and finishes around age 5
lowers erupt age 6 (-7)
uppers age 7 (-8)

Question 6

when do permanent lower laterals commence calcification and end
when do they erupt

Answer 6

commence mineralisation around 3 months, finish around age 5
erupt age 7 (-8)

Question 7

when do permanent upper laterals commence calcification and end
when do they erupt

Answer 7

commence calcification around 10 months, finished by 5 years
erupt around 8 (-9)

Question 8

when do permanent canines begin and end crown calcification and when do they erupt

Answer 8

calcification begins 4 months, ends 7 years
lowers erupt age 9
uppers age 11

Question 9

when do permanent premolars begin and end calcification and when do they erupt

Answer 9

begin calcification around 2 years end around 6 years
erupt age 10-12

Question 10

when do permanent 2nd molars begin and end calcification and when do they erupt

Answer 10

begin calcification around 3 years and finish around 7
erupt age 12

Question 11

when do third molars erupt

Answer 11

17-25 years

Question 12

when does calcification of third molar crowns commence and end

Answer 12

starts age 8 ends age 16

Question 13

what stage of pregnancy sees formation and calcification of primary teeth

Answer 13

2nd trimester (13 -27 weeks)