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Question
List out the food items for healthy mouth and teeth.
Solution
- Drink water or milk instead of sugar juices.
- Take plenty of fruits, vegetables, and dairy products.
- Eat candy, cake, and ice cream as less as possible.
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RELATED QUESTIONS
Say true or false.
Brush your teeth once a day.
Every day we should brush our teeth _______ times.
Differentiate the following.
Diphyodont and Heterodont
Differentiate the following.
Incisors and Canines
Name the types of teeth present in an adult human being. Mention the functions of each.
The crown of the tooth is covered by the hardest substance of the body called the ____________.
Match the Column I with Column II and select the correct option.
| Column I | Column II |
| i. Heterodont | a. Teeth embedded in separate sockets in jaw bone |
| ii. Diphyodont | b. Four sets of teeth |
| iii. Thecodont | c. Two sets of teeth in lifetime |
Teeth are rooted in separate ______ in between the ______.
Label the below given Figure 2.1 as directed below in (i) to (iv) and give the name of each type of tooth.
- 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 2.3 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.
