Deciduous Teeth

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

Front (Question)

How many deciduous teeth are present in each quadrant?

Back (Answer)

Front (Question)

What are the deciduous teeth present in each quadrant?

Back (Answer)

2 incisors 1 canine 0 pre-molars 2 molars

Front (Question)

What is the function of interproximal spaces between primary teeth?

Back (Answer)

Allows for proper alignment of future permanent dentition

Front (Question)

What is the average age for the eruption of the first tooth?

Back (Answer)

6-10 months

Front (Question)

What are 4 potential problems with the premature loss of deciduous teeth?

Back (Answer)

• Loss of arch length • Delayed of premature eruption of permanent tooth • Alteration in bite • Shift in midline of teeth

Front (Question)

What are 6 main comparisons between deciduous and permanent teeth?

Back (Answer)

• Deciduous teeth are whiter • Deciduous teeth are smaller in overall size • Deciduous teeth have a more prominent cervical ridge • Deciduous teeth roots are more divergent • Deciduous teeth have less mineralised crowns • Deciduous teeth have proportionately larger pulp cavities

Front (Question)

What is the general order of eruption of deciduous teeth?

Back (Answer)

• Central incisor • Lateral incisor • First molar • Canine • Second molar

Front (Question)

Which dental arch tends to have teeth erupt first?

Back (Answer)

Mandibular

Front (Question)

What is a rough rule which compares the number of teeth erupted and time taken?

Back (Answer)

6/4 - For every 6 months aged, 4 teeth emerge

#10

Front (Question)

What is the general order of eruption of permanent teeth?

Back (Answer)

• 1st molar • Central incisor • Lateral incisor • Canine • 1st premolar • 2nd premolar • 2nd molar • 3rd molar

#11

Front (Question)

When is the first evidence of crown formation?

Back (Answer)

5 months in utero

#12

Front (Question)

At what age are the crowns of the incisors complete?

Back (Answer)

By 5 months

#13

Front (Question)

When does the crown of the 1st permanent molar begin to form?

Back (Answer)

Birth

#14

Front (Question)

When does the first deciduous molar erupt?

Back (Answer)

12-16 months

#15

Front (Question)

By what age have all deciduous teeth erupted?

Back (Answer)

36 months

#16

Front (Question)

At what age are the roots of all deciduous teeth fully formed?

Back (Answer)

3 years

#17

Front (Question)

At what age is the crown of the first permanent molar complete?

Back (Answer)

3 years

#18

Front (Question)

At what age is the crown of the permanent incisors complete?

Back (Answer)

4-5 years

#19

Front (Question)

At what age does resorption of the roots of deciduous teeth begin?

Back (Answer)

5 years

#20

Front (Question)

At what age does the permanent first molar erupt?

Back (Answer)

7-8 years

#21

Front (Question)

At what age are the deciduous incisors replaced by permanent incisors?

Back (Answer)

6-9 years

#22

Front (Question)

What is the term used to describe when both deciduous and permanent teeth are present?

Back (Answer)

Mixed dentition

#23

Front (Question)

At what age have the roots of all erupted permanent teeth been completed?

Back (Answer)

14-16 years

#24

Front (Question)

At what age does the 3rd molar erupt?

Back (Answer)

17-21 years