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प्रश्न
Teeth are rooted in separate ______ in between the ______.
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उत्तर
Teeth are rooted in separate sockets in between the gums.
APPEARS IN
संबंधित प्रश्न
Say true or false.
Brush your teeth once a day.
Every day we should brush our teeth _______ times.
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.
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Differentiate the following.
Incisors and Canines
Name the types of teeth present in an adult human being. Mention the functions of each.
Number of teeth present in each jaw is ______.
How do you take care of your mouth and teeth?
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.
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.
