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प्रश्न
Tick (✓) the foods that are good for your teeth and cross (x) the food that is bad for your teeth.
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उत्तर
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APPEARS IN
संबंधित प्रश्न
Name the different types of teeth.
Every day we should brush our teeth _______ times.
Differentiate the following.
Diphyodont and Heterodont
Name the types of teeth present in an adult human being. Mention the functions of each.
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 |
What is milk teeth?
Name the four types of the permanent teeth.
Teeth are rooted in separate ______ in between the ______.
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’
Collect data from your friends, neighbours and classmates to know more about “milk teeth".
Tabulate your data. One way of doing it is given below:
| S.No. | Age at which first tooth fell | Age at which last tooth fel | No. of teeth lost | No. of teeth replaced |
| 1. | ||||
| 2. | ||||
| 3. | ||||
| 4. | ||||
| 5. |
Find out from at least twenty children and find the average age at which children lose the milk teeth. You may take help of your friends.
