Which of the following terms describe human dentition ?
Pleurodont , Monophyodont , Homodont
Thecodont , Diphyodont , Heterodont
Thecodont , Diphyodont , Homodont
Pleurodont , Diphyodont , Heterodont
As we learnt in
Thecodont -
Each tooth is embedded in a socket of jaw bone . This type of attachment is called thecodont.
-
Diphyodont -
Majority of mammals including human being forms two sets of teeth during their life, a set oftemporary milk or deciduous teeth replaced by a set of permanent or adult teeth
- wherein
This type of dentition is called diphyodont
In humans, dentition is
-Thecodont : Teeth are present in the sockets of the jaw bone called alveoli.
- Diphyodont : Teeth erupts twice, temporary milk or deciduous teeth are replaced by a set of permanent or adult teeth.
- Heterodont dentition : Dentition consists of different types of teeth namely incisors, canine, premolars and molars.
Option 1)
Pleurodont , Monophyodont , Homodont
This is incorrect.
Option 2)
Thecodont , Diphyodont , Heterodont
This is correct.
Option 3)
Thecodont , Diphyodont , Homodont
This is incorrect.
Option 4)
Pleurodont , Diphyodont , Heterodont
This is incorrect.
b option thecodont means present in the socket of jaw and diphyodont means comes two times and heterodont means set differnt