The Primary Dentition

Question 1

which primary tooth is the last to begin calcification? when?

Answer 1

maxillary second molar at 19 weeks

Question 2

when do the primary mandibular first molar crowns and primary mandibular central incisor crowns completely form?

Answer 2

at birth

Question 3

when have both permanent mandibular first molars begin calcification?

Answer 3

at birth

Question 4

what are the first permanent teeth to erupt and when?

Answer 4

maxillary and mandibular first molars at age 6

Question 5

what are the last permanent teeth to erupt and when?

Answer 5

maxillary and mandibular third molars at age 19