Ch 2 PrimaryUpper: Chronology of Human Dentition Table 2-3

Question 1

First week of calcification (weeks in utero):

• i1
• i2
• c
• m1
• m2

Answer 1

• 14 (13-16
• 16(14 2/3-16.5)
• 17 (14-18)
• 15.5 (14.5-17)
• 19 (16-23.5)

Question 2

Crown completed (Months)

• i1
• i2
• c
• m1
• m2

Answer 2

• 1.5
• 2.5
• 9
• 6
• 11

Question 3

Eruption (Months)

• i1
• i2
• c
• m1
• m2

Answer 3

• 10 (8-12)
• 11 (9-13)
• 19 (16-22)
• 16 (13-19) boy, (14-18) girl
• 29 (25-33)
• 8 (6-10)

Question 4

Root completed (Years)

• i1
• i2
• c
• m1
• m2

Answer 4

• 1.5
• 2
• 3.25
• 2.5
• 3