Development and Eruption of Teeth Flashcards
Maxillary permanent eruption age
781-0062, second 0 is underlined meaning three year spread. Every other number is a two year spread
7 is the central incisor and 2 is the 2nd molar
Mandibular permanent eruption age
679-0161, the 0 and last 1 are underlined meaning a three year spread. Every other number is a two year spread.
6 is the central incisor and 1 is the 2nd molar
When does calcification begin in utero?
13-16 weeks, by 18-20 weeks all have begun to calcify
When is calcification of permanents complete?
8-12 years old
Primary crown formation continues after birth for how many months for each tooth?
centrals-3 months lateral-4 months 1st molar-7 months canine-8 1/2 months 2nd molar-10 1/2 months
does the crown or the root form first?
the crown, root growth aids in tooth eruption
Prenatally, is the mandibular or maxillary jaw larger?
mandibular
Primary Max Central Incisors eruption (in months) and shed date (in years)
8-12 months erupt
6-7 years shed
Primary Max Lateral Incisors eruption (in months) and shed date (in years)
9-13 months
7-8 years
Primary Max Canine
eruption (in months) and shed date (in years)
16-22 months
10-12 years
Primary Max 1st molar
eruption (in months) and shed date (in years)
13-19 months
9-11 years
Primary Max 2nd molar
eruption (in months) and shed date (in years)
25-33 months
10-12 years
Primary Man. Central Incisor
eruption (in months) and shed date (in years)
6-10 months
6-7 years
Primary Man. Lateral Incisor
eruption (in months) and shed date (in years)
10-16 months
7-8 years
Primary Man. Canine
eruption (in months) and shed date (in years)
17-23 months
9-12 years
