Advertisements
Advertisements
Question
Differentiate the following.
Diphyodont and Heterodont
Advertisements
Solution
| Diphyodont | Heterodont |
| In human beings two sets of teeth (Diphyodont) are developed in their life time. | Permanent teeth are of four types (Heterodont). |
APPEARS IN
RELATED QUESTIONS
Say true or false.
Brush your teeth once a day.
List out the food items for healthy mouth and teeth.
Tick (✓) the foods that are good for your teeth and cross (x) the food that is bad for your teeth.
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
Differentiate the following.
Incisors and Canines
Name the types of teeth present in an adult human being. Mention the functions of each.
What is milk teeth?
Name the four types of the permanent teeth.
How do you take care of your mouth and teeth?
Label the below given Figure as directed below in (i) to (iv) and give the name of each type of teeth.
- The cutting and biting teeth as ‘A’
- The piercing and tearing teeth as ‘B’
- The grinding and chewing teeth as ‘C’
- The grinding teeth are present only in adults as ‘D’
Open your mouth, look into a mirror and try to count the different types of teeth in your mouth. Compare them with Figure on page 13 of your NCERT textbook.
Record your observations in the table below:
| Type of teeth | Number of teeth | |
| In my mouth | In the figure | |
| Incisors | ||
| Canines | ||
| Premolars | ||
| Molars | ||
- Did you observe any difference in the number of teeth? If yes, could you identify which type of teeth showed the difference?
- Compare the number and type of teeth in an adult (say your parents or cousins who have reached the age of 25-30 or more). Note your observation.
