Explore topic-wise InterviewSolutions in .

This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.

1.

What happens if we don’t clean our teeth regularly?

Answer»

If we don’t clean our teeth regularly, tiny bits of food get stuck in the teeth. Then germs feed on these food particles and also eat up parts of teeth. They destroy the enamel, which leads to cavity.

2.

Use the set of words in your own sentences.1. severe – prescribe2. impossible – destroy3. unbearable – dentist4. competent – valuable5. terrible – subside

Answer»

1. Nitin had a severe pain in the leg and so the doctor has prescribed some medicines.

2. The king found it impossible to destroy the enemy.

3. Anand had an unbearable toothache and so he visited his dentist.

4. Mr Verma is a competent officer and his suggestions are very valuable for the staff.

5. Hemant has a terrible headache, which will subside only if he takes some medicine.

3.

 Dr Sharma : Most of the people brush their teeth while moving the brush sideways only. But the right way is to move it upwards and downwards so that it removes the tiny bits of food stuck between the teeth. The gum-lines should also be brushed with gentle strokes. Not only this, clean your mouth after every meal and every time you eat a chocolate or an ice-cream.1. What is the right way of brushing teeth?2. How should the gum-lines be brushed?3. How often should you clean your mouth ?

Answer»

1. The right way of brushing teeth is to move the brush upwards and downwards so that it removes the tiny bits of food stuck between the teeth.

2. The gum-lines should be brushed with gentle strokes.

3. We should clean our mouth after every meal and every time we eat a chocolate or an ice-cream.

4.

Dr Sharma: Cleaning of mouth is the first requirement of dental hygiene. If you don’t clean your mouth, tiny bits of food inside stick to the surface of your teeth and in the space between your teeth. Now germs feed on these food-particles that eventually eat up parts of the teeth too! They destroy the enamel coating of the teeth, and in the long run it leads to cavity.1. What is the first requirement of dental hygiene?2. What do the germs feed on?3. What do the germs do?

Answer»

1. Cleaning of mouth is the first requirement of dental hygiene.

2. The germs feed on the food particles stuck to the surface of the teeth and in the space between the teeth.

3. The germs destroy the enamel coating of the teeth and this leads to cavity.

5.

 Sonia:Molar? What is it?Dr Sharma: It’s a kind of teeth. Look at the chart. There are two types of teeth – deciduous teeth, also known as milk teeth, and permanent teeth. Deciduous teeth are usually 20 in number and they shed one by one after growth. Thereafter, new permanent teeth come up. They are usually 32 in number.1. Name the two types of teeth.2. What is molar ?3. What do you know about deciduous teeth?4. How many permanent teeth do we usually have?

Answer»

1. The two types of teeth are : deciduous or milk teeth and permanent teeth.

2. Molar is a kind of teeth.

3. Deciduous teeth are usually 20 in number and they shed one by one after growth.

4. We usually have 32 permanent teeth.

6.

Sonia: Enamel coating? What’s that?Dr Sharma: For that you need to understand the construction of our teeth. Our teeth have three layers. The uppermost white layer is called enamel. It is the hardest and strongest part of our body. The second layer is called dentin. It is slightly yellowish. The innermost layer is called dental pulp. In your molar, there was a cavity which now no more exists.1. What is enamel?2. What is dentin?3. What is dental pulp?4. Which is the hardest and the strongest part of our body ?

Answer»

1. The uppermost white layer of the teeth is called enamel.

2. The second layer of the teeth, which is slightly yellowish, is called dentin.

3. The innermost layer of the teeth is called dental pulp.

4. The enamel is the hardest and the strongest part of our body.

7.

How can we prevent cavity in the teeth ?

Answer»

We can prevent cavity in the teeth by brushing teeth regularly twice a day and cleaning the mouth after every meal.

8.

What is enamel ?

Answer»

The uppermost white layer of the teeth is called enamel.

9.

(Doctor Sharma cleaned the cavity with an air rotor. Then he filled it with a white substance known as Light-Cured Composite Filling Material. It contains synthetic resin, silica as filler and photo activator, etc.)Dr Sharma : Yes, it’s done. Thank you for keeping your mouth open without speaking a word.As Sonia was the last patient that day, the doctor could spare time to talk to her.1. What treatment did the doctor give Sonia?2. Why could the doctor spare time to talk to Sonia?

Answer»

1. The doctor cleaned the cavity with an air rotor and then he filled it with a white substance.

2. The doctor cleaned the cavity with an air rotor and then he filled it with a white substance.