Grade 3 Hygiene And Nutrition – Oral Hygiene Quiz

1. We should brush our teeth __ every meal.

before
never
during
after
Explanation:

2. __ things spoil our teeth.

Salty
Protein
Vitamin
Sugary
Explanation:

3. A __ takes care of our sick teeth.

dentist
doctor
optician
teacher
Explanation:

4. Poor oral hygiene leads to __ breath.

good
bad
sweet
healthy
Explanation:

5. Teeth with cavities are __.

strong
clean
sick
healthy
Explanation:

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

milk
nutrition
healthy
strong
Explanation:

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

salt
soil
water
sugar
Explanation:

8. We should not share __.

brooms
toothbrush
books
plates
Explanation:

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

hard
chewed
strong
spoiled
Explanation:

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

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

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

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

Floss
Toothpick
Chewing gum
Cotton swab
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?

1 minute
2 minutes
10 seconds
5 minutes
Explanation:

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

13. What is the purpose of using mouthwash?

Sweetens breath
Prevents bad breath
Causes cavities
Whitens teeth
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?

Chocolates
Green vegetables
Fizzy drinks
Sugary snacks
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 find new friends
To avoid dental treatment
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?

Rinsing your mouth with water
Drinking orange juice
Eating fruits
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 every 3 months
Once a year
Every 6 months
When it starts to look dirty
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?

As close to your face as possible
180 degrees to your teeth
45 degrees to your teeth
90 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
Fluoride
Bleach
Salt
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 helps your tongue grow
It prevents bad breath
It gives you better singing voice
It makes your tongue taste better
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?

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

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

Call a friend
Use a toothpick
Floss gently
Ignore it
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 attract more bacteria
To prevent tooth decay
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 wash away bacteria
To dry out your mouth
To cause bad breath
To clean your teeth
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 strengthens your gums
It causes gum disease and tooth loss
It makes your teeth whiter
It freshens your breath
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 prevent dehydration
To avoid going to the dentist
To make your mouth dry
To make your teeth fall out
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?

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

Loose braces
Bleeding gums
Strong breath
White teeth
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
Chew on ice
Use warm salt water rinse
Eat more candies
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
Neglecting to brush your teeth
Eating only sweets
Proper oral hygiene practices
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?

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

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

Chewing sugar-free gum
Not flossing regularly
Regularly brushing teeth
Eating fruits and vegetables
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 increase sugar content
To add flavor to toothpaste
To color the toothpaste
To strengthen tooth enamel
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?

Cavities and gum disease
Shiny hair
Improved eyesight
Strong and healthy teeth
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?

Eating only sugary snacks
Avoiding dental check-ups
Drinking soda daily
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
Avoid brushing teeth
Drink sugary beverages all day
Eat a balanced diet
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 eat candy at the clinic
To skip oral health advice
To avoid cleaning teeth
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
Skipping brushing teeth at night
Consuming hot and cold foods
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?

Apply aspirin directly on the tooth
Chew on ice cubes
Ignore it and wait for it to go away
Rinse your mouth with warm salt water
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 maintain fresh breath
To prevent oral cancer
To increase tooth sensitivity
To improve dental hygiene
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?

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

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

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

Use teeth as tools
Chew on hard objects
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 make teeth whiter
To replace brushing teeth
To add color to saliva
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
Consume sugary beverages throughout the day
Maintain good oral hygiene habits
Skip brushing teeth in the morning
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?

10 years old
3 years old
6 years old
18 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?

Skip brushing teeth and drink soda
Brush teeth gently and stay hydrated
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
Brush teeth vigorously
Use an electric toothbrush
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.