A baby boy aged two years is admitted to play school and passes through a dental check-up. The dentist observed that the boy had twenty teeth. Which teeth were absent?

  • Option 1)

    Incisors

  • Option 2)

    Canines

  • Option 3)

    Pre-molars

  • Option 4)

    Molars

 

Answers (1)

As we learnt in

Decidous Teeth -

In humans, first set of teeth are called the decodous teeth, which are 20 in number

- wherein

The dental formula is 2102/2102. 

This means 2 incisors, 1 canine, 0 premolars, 2 molars

 

 

 

 Premolars are absent is deciduous teeth or childhood teeth.


Option 1)

Incisors

This option is incorrect

Option 2)

Canines

This option is incorrect

Option 3)

Pre-molars

This option is correct.

Option 4)

Molars

This option is incorrect

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