Chronology Flashcards by SIYI TAY

Q

Eruption of lower Bs

A

7 months

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Q

Eruption of 8s

A

17 - 21 years

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Q

Crown completion of E

A

10 - 12 months

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Q

Calcification of lower 8s

A

8 - 10 years

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Q

When does root formation of adult teeth complete?

A

approximately 2 - 3 years after eruption

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Q

Crown completion of A

A

4 months

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Q

Calcification of 7s

A

2.5 - 3.5 years

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Q

Eruption of 6s

A

6 - 7 years

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Q

Eruption of Cs

A

16 - 20 months

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Q

Eruption of upper 3s

A

11 - 12 years

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Q

Eruption of upper Bs

A

8 months

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Q

Calcification of C

A

In utero; 5 months

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Q

Eruption of lower 2s

A

7 - 8 years

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Q

Eruption of lower 4s

A

10 - 12 years

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Q

Eruption of upper 5s

A

10 - 12 years

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Q

Eruption of upper As

A

7 months

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Q

Eruption of lower 5s

A

11 - 12 years

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Q

Crown completion of 1s & 2s

A

4 - 5 years

Q

Eruption of 7s

A

12 - 13 years

Q

Crown completion of 7s

A

7 - 8 years

Q

Calcification of A

A

In utero; 3 - 4.5 months

Q

Calcification of D

A

In utero; 5 months

Q

Eruption of Es

A

20 - 30 months

Q

Crown completion of B

A

4.5-5 months

Eruption of lower 1s

6 - 7 years

Eruption of Ds

12 - 16 months

Calcification of 1-5s

1st 2 years

When does root formation complete for deciduous teeth?

1 - 1.5 years after eruption

Calcification of 6s

Around birth or just before

Eruption of upper 4s

10 - 11 years

Eruption of lower 3s

9 - 10 years

Eruption of lower As

6 months

Calcification of E

In utero; 6 months

Crown completion of 6s

2.5 - 3 years

Crown completion of D

6 months

Calcification of upper 8s

7 - 9 years

Crown completion of 3s

6 - 7 years

Crown completion of 8s

12 - 16 years

Calcification of B

In utero; 4.5 months

Eruption of upper 1s

7 - 8 years

Crown completion of 5s

6 - 7 years

Crown completion of 4s

5 - 6 years

Crown completion of C

9 months

Eruption of upper 2s

8 - 9 years