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?
Incisors
Canines
Pre-molars
Molars
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