Hint: The two teeth which are monophyodont are namely, premolars and molars. 2 Premolars and 3rd molars are absent in the primary set of teeth. Hence, they grow only in permanent sets of teeth, and thus are monophyodont.
How many Monophyodont are there?
The number of teeths according to this dental formula will be 20. These teeth will be diphyodont and (32-20) or 12 teeth will be monophyodont.
What is Monophyodont dentition?
The dentition of animals with two successions of teeth (deciduous, permanent) is referred to as diphyodont, while the dentition of animals with only one set of teeth throughout life is monophyodont.