Grade 3 Hygiene And Nutrition – Oral Hygiene Quiz

1. We should brush our teeth __ every meal.

never
before
during
after
Explanation:

2. __ things spoil our teeth.

Protein
Salty
Sugary
Vitamin
Explanation:

3. A __ takes care of our sick teeth.

doctor
optician
dentist
teacher
Explanation:

4. Poor oral hygiene leads to __ breath.

sweet
good
healthy
bad
Explanation:

5. Teeth with cavities are __.

sick
healthy
strong
clean
Explanation:

6. The first set of teeth a baby gets are known as __ teeth.

milk
strong
healthy
nutrition
Explanation:

7. If there is no toothpaste I can use __.

salt
water
sugar
soil
Explanation:

8. We should not share __.

books
plates
toothbrush
brooms
Explanation:

9. A __ stick can be used to clean the teeth if there is no toothbrush.

hard
spoiled
chewed
strong
Explanation:

10. Which of the following is the correct way to brush your teeth?

Brush your teeth once a week
Brush your teeth with hot water
Brush your teeth twice a day
Brush your teeth with sugar
Explanation:

Brushing your teeth twice a day helps remove plaque and prevent cavities.

11. What should you use to clean in between your teeth?

Toothpick
Cotton swab
Floss
Chewing gum
Explanation:

Flossing helps remove food particles and plaque from between teeth that brushing alone cannot reach.

12. How long should you brush your teeth for?

2 minutes
1 minute
5 minutes
10 seconds
Explanation:

Brushing your teeth for at least 2 minutes ensures thorough cleaning of all surfaces.

13. What is the purpose of using mouthwash?

Prevents bad breath
Causes cavities
Whitens teeth
Sweetens breath
Explanation:

Mouthwash helps kill bacteria that cause bad breath and can also reach areas not easily accessed by brushing.

14. Which of the following foods is good for your teeth?

Green vegetables
Fizzy drinks
Sugary snacks
Chocolates
Explanation:

Green vegetables like spinach and kale provide essential vitamins and minerals that promote healthy teeth and gums.

15. Why is it important to visit the dentist regularly?

To prevent tooth decay
To get free toothbrushes
To avoid dental treatment
To find new friends
Explanation:

Regular dental check-ups can help detect and prevent dental issues like cavities and gum disease, ultimately promoting good oral health.

16. What should you avoid doing after brushing your teeth?

Eating fruits
Rinsing your mouth with water
Drinking orange juice
Drinking milk
Explanation:

Rinsing your mouth with water immediately after brushing can wash away the protective fluoride from the toothpaste, reducing its effectiveness in preventing cavities.

17. Which toothbrush bristles are recommended for children?

No bristles
Hard bristles
Medium bristles
Soft bristles
Explanation:

Soft bristles are gentle on children's sensitive gums and teeth, preventing damage while effectively cleaning their teeth.

18. How often should you replace your toothbrush?

Once a year
When it starts to look dirty
Once every 3 months
Every 6 months
Explanation:

Replacing your toothbrush every 3 months ensures that the bristles remain effective at cleaning your teeth and avoid bacterial build-up.

19. What is the correct angle to hold your toothbrush when brushing?

180 degrees to your teeth
90 degrees to your teeth
As close to your face as possible
45 degrees to your teeth
Explanation:

Holding your toothbrush at a 45-degree angle to your teeth helps reach the gum line and clean effectively without causing damage to the gums.

20. What substance in toothpaste helps prevent tooth decay?

Sugar
Bleach
Salt
Fluoride
Explanation:

Fluoride helps strengthen tooth enamel and prevent the formation of cavities by making teeth more resistant to acid attacks from bacteria and sugars.

21. What is the importance of tongue cleaning in oral hygiene?

It gives you better singing voice
It makes your tongue taste better
It helps your tongue grow
It prevents bad breath
Explanation:

Cleaning your tongue removes bacteria and food debris that can contribute to bad breath, promoting overall oral hygiene.

22. Which of the following is a good habit for oral hygiene?

Chewing on hard candy
Skipping brushing at night
Flossing daily
Using tobacco products
Explanation:

Flossing daily helps remove plaque and food particles from between teeth, reducing the risk of cavities and gum disease.

23. What should you do if you have a dental emergency?

Use painkillers and avoid the dentist
See a dentist as soon as possible
Wait for it to go away on its own
Ignore the pain
Explanation:

Seeking prompt dental care in case of an emergency can prevent further damage and alleviate pain or infection.

24. How can you protect your teeth during physical activities?

Taking vitamin supplements
Chewing gum
Using a mouthguard
Wearing a helmet
Explanation:

Mouthguards help protect teeth from injury during sports or other physical activities by cushioning impact and preventing trauma.

25. What should you do if food gets stuck between your teeth?

Ignore it
Floss gently
Call a friend
Use a toothpick
Explanation:

Flossing gently can help dislodge food particles stuck between teeth without causing harm to your gums or teeth.

26. Why is it important to limit sugary snacks and drinks for oral health?

To prevent tooth decay
To attract more bacteria
To get more cavities
To avoid sharing with others
Explanation:

Consuming sugary snacks and drinks can lead to the formation of acids that erode tooth enamel and cause cavities, emphasizing the need to limit them for optimal oral health.

27. What is the primary function of saliva in oral health?

To cause bad breath
To wash away bacteria
To clean your teeth
To dry out your mouth
Explanation:

Saliva helps wash away bacteria and food particles from your mouth, preventing plaque build-up and contributing to good oral hygiene.

28. How does smoking affect your oral health?

It causes gum disease and tooth loss
It strengthens your gums
It freshens your breath
It makes your teeth whiter
Explanation:

Smoking can lead to gum disease, tooth loss, bad breath, and other oral health issues, emphasizing the importance of quitting smoking for better oral hygiene.

29. Why is it important to drink water for oral health?

To avoid going to the dentist
To make your teeth fall out
To prevent dehydration
To make your mouth dry
Explanation:

Drinking water helps keep your mouth hydrated, maintain saliva production, and wash away food particles, contributing to good oral health.

30. What is the correct way to use mouthwash?

Gargle for 10 seconds
Follow the instructions on the bottle
Swallow it after use
Rinse your mouth with water immediately
Explanation:

Correct usage of mouthwash involves following the instructions on the bottle, usually including swishing around the mouth for a certain duration before spitting out.

31. Which of the following is a common symptom of gum disease?

Bleeding gums
Strong breath
White teeth
Loose braces
Explanation:

Bleeding gums are a common symptom of gum disease, indicating inflammation and possible infection in the gums, highlighting the need for dental care.

32. How can you soothe a toothache at home?

Apply a hot compress
Eat more candies
Use warm salt water rinse
Chew on ice
Explanation:

Rinsing with warm salt water can help soothe gum irritation and reduce bacteria in the mouth, providing temporary relief for toothaches.

33. Which aspect of oral hygiene is important for overall health?

Ignoring dental check-ups
Eating only sweets
Proper oral hygiene practices
Neglecting to brush your teeth
Explanation:

Proper oral hygiene practices, including regular brushing, flossing, and dental check-ups, play a crucial role in maintaining good oral health, which is connected to overall well-being.

34. Which of the following is recommended for maintaining good oral hygiene?

Drinking sugary beverages throughout the day
Brushing teeth twice a day
Eating large amounts of candies
Skipping brushing for a week
Explanation:

Brushing teeth twice a day helps in removing food particles and plaque from teeth, reducing the risk of cavities and gum disease.

35. What should you do after consuming sugary snacks or drinks?

Rinse your mouth with water
Skip brushing teeth for the rest of the day
Drink more sugary beverages
Avoid brushing teeth
Explanation:

Rinsing your mouth with water after consuming sugary snacks or drinks helps in reducing the acidity in the mouth and washes away some of the sugars.

36. Which of the following can contribute to bad breath?

Regularly brushing teeth
Eating fruits and vegetables
Chewing sugar-free gum
Not flossing regularly
Explanation:

Not flossing regularly can allow food particles to remain between teeth, leading to bacterial growth and bad breath.

37. What is the purpose of using fluoride toothpaste?

To color the toothpaste
To strengthen tooth enamel
To increase sugar content
To add flavor to toothpaste
Explanation:

Fluoride in toothpaste helps in strengthening the tooth enamel, making teeth more resistant to decay.

38. What can happen if you do not take care of your oral hygiene?

Strong and healthy teeth
Cavities and gum disease
Improved eyesight
Shiny hair
Explanation:

Neglecting oral hygiene can lead to the formation of cavities and gum disease, which can cause pain, tooth loss, and other health complications.

39. How long should you brush your teeth for?

15 seconds
30 minutes
5 minutes
2 minutes
Explanation:

Dentists recommend brushing teeth for at least 2 minutes to thoroughly clean all surfaces of the teeth and remove plaque effectively.

40. Which of the following is important for maintaining oral health?

Drinking soda daily
Avoiding dental check-ups
Eating only sugary snacks
Using a tongue scraper
Explanation:

Using a tongue scraper helps in removing bacteria and debris from the surface of the tongue, reducing bad breath and improving oral hygiene.

41. How can you prevent tooth decay?

Skip dental appointments
Drink sugary beverages all day
Eat a balanced diet
Avoid brushing teeth
Explanation:

Eating a balanced diet that includes fruits, vegetables, whole grains, and dairy products can help in preventing tooth decay by providing essential nutrients for dental health.

42. Which of the following can help in preventing plaque buildup?

Chewing on hard candies
Brushing teeth vigorously
Avoiding flossing
Using mouthwash daily
Explanation:

Using mouthwash daily can help in reducing plaque buildup, killing bacteria in the mouth, and freshening breath.

43. Why is it important to visit the dentist regularly?

To avoid cleaning teeth
To skip oral health advice
To eat candy at the clinic
To prevent dental problems
Explanation:

Regular dental check-ups can help in early detection and prevention of dental problems like cavities, gum disease, and oral cancer.

44. What can you use to clean between your teeth?

A toothbrush
Toothpaste
Floss or interdental brushes
Chewing gum
Explanation:

Cleaning between your teeth with floss or interdental brushes helps in removing food particles and plaque from areas that a toothbrush cannot reach.

45. Which of the following can help in reducing tooth sensitivity?

Avoiding dental cleanings
Consuming hot and cold foods
Skipping brushing teeth at night
Using a soft-bristled toothbrush
Explanation:

Using a soft-bristled toothbrush can help in reducing tooth sensitivity by being gentle on the teeth and gums, preventing enamel erosion.

46. What should you do if you have a toothache?

Rinse your mouth with warm salt water
Apply aspirin directly on the tooth
Ignore it and wait for it to go away
Chew on ice cubes
Explanation:

Rinsing your mouth with warm salt water can help in reducing pain and swelling associated with a toothache, providing temporary relief before visiting a dentist.

47. Why is it important to avoid smoking for oral health?

To improve dental hygiene
To increase tooth sensitivity
To prevent oral cancer
To maintain fresh breath
Explanation:

Smoking is a risk factor for oral cancer, as it can damage cells in the mouth and increase the likelihood of developing cancerous growths in oral tissues.

48. What can you do to protect your teeth during sports?

Avoid wearing a mouthguard
Skip brushing before and after games
Wear a mouthguard during play
Drink sports drinks before games
Explanation:

Wearing a mouthguard during sports activities can protect teeth from injuries or impact, reducing the risk of chipped or broken teeth.

49. How can you freshen your breath throughout the day?

Use a tongue scraper
Chew on sugary gum
Avoid drinking water
Drink soda regularly
Explanation:

Using a tongue scraper helps in removing bacteria and debris from the surface of the tongue, reducing bad breath and keeping breath fresh throughout the day.

50. What foods can help in promoting good oral health?

Whole fruits and vegetables
Deep-fried snacks
Carbonated drinks
Sugary candies and desserts
Explanation:

Whole fruits and vegetables are rich in vitamins and minerals that promote good oral health, as they stimulate saliva production and help clean teeth naturally.

51. Which of the following can contribute to yellowing of teeth?

Drinking coffee and tea
Eating dairy products
Regular brushing and flossing
Using fluoride toothpaste
Explanation:

Coffee and tea contain tannins that can stain teeth over time, leading to yellowing or discoloration of the enamel.

52. What can you do to maintain good oral hygiene while traveling?

Avoid packing a toothbrush
Drink only bottled water
Carry travel-sized dental products
Skip brushing teeth during the trip
Explanation:

Carrying travel-sized dental products like toothbrush, toothpaste, and floss allows you to maintain good oral hygiene while traveling and prevent dental problems.

53. How can you protect your teeth from injury?

Chew on hard objects
Use teeth as tools
Wear a mouthguard for physical activities
Avoid participating in sports
Explanation:

Wearing a mouthguard during physical activities or sports can help protect teeth from injuries caused by falls, collisions, or hard impacts.

54. What is the purpose of using mouthwash as part of oral hygiene?

To replace brushing teeth
To add color to saliva
To make teeth whiter
To kill bacteria and freshen breath
Explanation:

Mouthwash helps in killing bacteria in the mouth, reducing plaque and gingivitis, and freshening breath, but it should not replace brushing teeth.

55. How can you avoid dental problems like cavities?

Avoid eating fruits and vegetables
Skip brushing teeth in the morning
Maintain good oral hygiene habits
Consume sugary beverages throughout the day
Explanation:

Maintaining good oral hygiene habits like brushing teeth twice a day, flossing, eating a balanced diet, and visiting the dentist regularly can help in preventing dental problems like cavities.

56. What is the recommended age to start using fluoride toothpaste for children?

3 years old
10 years old
18 years old
6 years old
Explanation:

Children can start using a small amount of fluoride toothpaste at the age of 3, under parental supervision, to help protect their teeth from decay.

57. How can you maintain good oral hygiene when you are sick?

Brush teeth gently and stay hydrated
Skip brushing teeth and drink soda
Avoid seeing the dentist
Use a hard-bristled toothbrush
Explanation:

When sick, it is important to continue brushing teeth gently, stay hydrated by drinking water, and get adequate rest to support the body's immune system and oral health.

58. What can you do to prevent tartar buildup on teeth?

Skip flossing
Use an electric toothbrush
Brush teeth vigorously
Regular dental cleanings
Explanation:

Regular dental cleanings by a dental professional can help in removing tartar buildup that cannot be eliminated by regular brushing and flossing, reducing the risk of gum disease.