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FINAL EXAM - DENTAL

Total questions: 42

Worksheet time: 21mins

Name
Class
Date
1.

What is the hardest substance in the human body?

a)

Enamel

b)

Pulp

c)

Dentin

d)

Cementum

2.

Which part of the tooth holds the nerves and blood vessels?

a)

Enamel

b)

Crown

c)

Dentin

d)

Pulp

3.

What is the layer underneath the enamel that makes up most of the tooth?

a)

Dentin

b)

Bone

c)

Enamel

d)

Pulp

4.

What does the bone do?

a)

Cuts food into pieces

b)

Helps with breathing

c)

Holds the teeth in place

d)

Creates saliva

5.

What is the name of the pink tissue surrounding the teeth?

a)

Dentin

b)

Crown

c)

Gingiva (gums)

d)

Periodontal ligament

6.

Which part of the mouth helps you speak and move food?

a)

Nose

b)

Ear

c)

Tongue

d)

Thumb

7.

What keeps food from falling out of the mouth while chewing?

a)

Eyelids

b)

Teeth whitening gel

c)

Hair

d)

Lips and cheeks

8.

Which part of the tooth is visible above the gumline?

a)

Pulp

b)

Enamel

c)

Crown

d)

Root

9.

Which part of the tooth is below the gumline and anchors the tooth into the jaw?

a)

Cusp

b)

Crown

c)

Incisor

d)

Root

10.

Which teeth are used to bite and cut food?

a)

Premolars

b)

Canines

c)

Molars

d)

Incisors

11.

Which teeth tear and hold food in place?

a)

Premolars

b)

Molars

c)

Incisors

d)

Canines

12.

Which teeth grind food?

a)

Canines

b)

Premolars and molars

c)

Incisors

d)

Primary teeth

13.

Premolars are also called:

a)

Baby teeth

b)

Bicuspids

c)

Second incisors

d)

Eye teeth

14.

Third molars are also known as:

a)

First molars

b)

Wisdom teeth

c)

Eye teeth

d)

Premolars

15.

How many incisors do adults have?

a)

4

b)

16

c)

8

d)

12

16.

How many primary teeth are in a full child's mouth?

a)

10

b)

20

c)

24

d)

16

17.

Adults usually have how many permanent teeth?

a)

24

b)

40

c)

28–32

d)

20

18.

Primary teeth begin erupting around what age?

a)

Birth

b)

18 years

c)

12 years

d)

6 months

19.

Permanent teeth start erupting around:

a)

10 years

b)

20 years

c)

6 years

d)

1 year

20.

Which teeth do not exist in primary dentition?

a)

Incisors

b)

Canines

c)

Molars

d)

Premolars

21.

The last permanent teeth to erupt are usually:

a)

Canines

b)

Central incisors

c)

First molars

d)

Third molars

22.

How many teeth are numbered in the permanent Universal Numbering System?

a)

10

b)

40

c)

20

d)

32

23.

Which tooth is #16?

a)

Upper left third molar

b)

Upper right central incisor

c)

Lower right canine

d)

Lower left third molar

24.

Which tooth is #8?

a)

Lower right incisor

b)

Upper right first molar

c)

Upper right central incisor

d)

Upper left central incisor

25.

Which tooth is #9?

a)

Lower right incisor

b)

Upper left central incisor

c)

Upper right canine

d)

Upper left canine

26.

Tooth #24 is located in the:

a)

Lower left

b)

Upper right

c)

Upper left

d)

Lower right

27.

Tooth #19 refers to the:

a)

Upper left canine

b)

Lower left first molar

c)

Lower right canine

d)

Upper right first molar

28.

Tooth #3 refers to the:

a)

Upper left canine

b)

Lower left premolar

c)

Lower right incisor

d)

Upper right first molar

29.

Tooth #22 is the:

a)

Upper left canine

b)

Lower right first premolar

c)

Lower left canine

d)

Upper right second molar

30.

Primary teeth are labeled using:

a)

Roman numerals

b)

Letters A–T

c)

Numbers 1–32

d)

Shapes

31.

What is the soft, sticky layer that causes tooth decay?

a)

Calcium

b)

Bone

c)

Saliva

d)

Plaque

32.

Tooth decay is called:

a)

Gums

b)

Halitosis

c)

Attrition

d)

Caries

33.

What angle should the toothbrush be held?

a)

Upside down

b)

90°

c)

45°

d)

0°

34.

How long should brushing last?

a)

30 seconds

b)

10 minutes

c)

2 minutes

d)

10 seconds

35.

What tool cleans between the teeth?

a)

Chewing gum

b)

Popsicle stick

c)

Toothbrush only

d)

Dental floss

36.

Which is not a flossing product?

a)

Floss picks

b)

String floss

c)

Lotion

d)

Water flosser

37.

What does fluoride do?

a)

Removes nerves

b)

Causes plaque to grow

c)

Makes gums disappear

d)

Strengthens enamel

38.

Why should sugary snacks be limited?

a)

They clean the mouth

b)

They prevent cavities

c)

They feed bacteria in plaque

d)

They make teeth stronger

39.

What is mouth rinse used for?

a)

Remove the roots

b)

Reduce bacteria and freshen breath

c)

Replace brushing permanently

d)

Sand down teeth

40.

Brushing twice daily is important because:

a)

Bends the teeth

b)

Strengthens bones

c)

Removes plaque before it hardens

d)

Makes you run faster

41.

The best drink for healthy teeth is:

a)

Soda

b)

Juice

c)

Water

d)

Sports drinks

42.

Dental checkups should happen:

a)

Never

b)

Every 5 years

c)

Every 6 months

d)

Only if something hurts

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