1. Thecodont, Diphyodont, Homodont
2. Thecodont, Diphyodont, Heterodont
3. Pleurodont, Monophyodont, Homodont
4. Pleurodont, Diphyodont, Heterodont
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 in the boy?
1. Canines
2. Pre-molars
3. Molars
4. Incisors