Developmental Morphology

Question 1

what are the first permanent teeth to erupt and when?

Answer 1

maxillary and mandibular first molars at age 6

Question 2

what are the last permanent teeth to erupt and when?

Answer 2

maxillary and mandibular third molars at age 19

Question 3

when does primary calcification begin?

Answer 3

13-16 weeks in utero

Question 4

when do all primary teeth initiate calcification?

Answer 4

18-20 weeks in utero

Question 5

which teeth (maxillary or mandibular) usually erupt before namesakes in the opposing maxilla?

Answer 5

mandibular teeth

Question 6

What is the last primary tooth to erupt?

Answer 6

maxillary second molar at 29 months

Question 7

initial mineralization of primary dentition is entirely ___.

Answer 7

prenatal

Question 8

___ exhibit eruption timeframes sooner than ___.

Answer 8

females; males

Question 9

when is all root formation complete for all primary teeth by?

Answer 9

by 3 1/4 years (39 months) of age

Question 10

when does primate space begin to form?

Answer 10

age 4

Question 11

when is primary tooth occlusion evident?

Answer 11

age 3