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Dental Anatomy Review

Total questions: 42

Worksheet time: 21mins

Name
Class
Date
1.

What is the hardest substance in the human body? (Outer Layer of a tooth)

a)

Dentin

b)

Cementum

c)

Enamel

d)

Pulp

2.

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

a)

Dentin

b)

Crown

c)

Pulp

d)

Enamel

3.

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

a)

Dentin

b)

Pulp

c)

Enamel

d)

Bone

4.

What does the bone do?

a)

Holds the teeth in place

b)

Creates saliva

c)

Cuts food into pieces

d)

Helps with breathing

5.

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

a)

Periodontal ligament

b)

Gingiva (gums)

c)

Dentin

d)

Crown

6.

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

a)

Tongue

b)

Nose

c)

Ear

d)

Thumb

7.

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

a)

Hair

b)

Lips and cheeks

c)

Eyelids

d)

Teeth whitening gel

8.

Which part of the tooth is visible above the gumline?

a)

Crown

b)

Root

c)

Pulp

d)

Enamel

9.

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

a)

Crown

b)

Root

c)

Incisor

d)

Cusp

10.

Which teeth are used to bite and cut food?

a)

Molars

b)

Incisors

c)

Canines

d)

Premolars

11.

Which teeth tear and hold food in place?

a)

Premolars

b)

Canines

c)

Molars

d)

Incisors

12.

Which teeth grind food?

a)

Premolars and molars

b)

Incisors

c)

Canines

d)

Primary teeth

13.

Premolars are also called:

a)

Bicuspids

b)

Baby teeth

c)

Eye teeth

d)

Second incisors

14.

Third molars are also known as:

a)

Eye teeth

b)

Wisdom teeth

c)

First molars

d)

Premolars

15.

How many incisors do adults have?

a)

4

b)

8

c)

12

d)

16

16.

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

a)

10

b)

16

c)

20

d)

24

17.

Adults usually have how many permanent teeth?

a)

20

b)

28–32

c)

24

d)

40

18.

Primary teeth begin erupting around what age?

a)

Birth

b)

6 months

c)

12 years

d)

18 years

19.

Permanent teeth start erupting around:

a)

1 year

b)

6 years

c)

10 years

d)

20 years

20.

Which teeth do not exist in primary dentition?

a)

Molars

b)

Premolars

c)

Canines

d)

Incisors

21.

The last permanent teeth to erupt are usually:

a)

First molars

b)

Third molars

c)

Central incisors

d)

Canines

22.

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

a)

10

b)

20

c)

32

d)

40

23.

Which tooth is #16?

a)

Lower right canine

b)

Upper left third molar

c)

Lower left third molar

d)

Upper right central incisor

24.

Which tooth is #8?

a)

Upper right central incisor

b)

Upper left central incisor

c)

Lower right incisor

d)

Upper right first molar

25.

Which tooth is #9?

a)

Upper left central incisor

b)

Lower right incisor

c)

Upper right canine

d)

Upper left canine

26.

Tooth #24 is located in the:

a)

Upper left

b)

Upper right

c)

Lower right

d)

Lower left

27.

Tooth #19 refers to the:

a)

Upper right first molar

b)

Lower left first molar

c)

Upper left canine

d)

Lower right canine

28.

Tooth #3 refers to the:

a)

Upper right first molar

b)

Lower right incisor

c)

Upper left canine

d)

Lower left premolar

29.

Tooth #22 is the:

a)

Lower left canine

b)

Upper left canine

c)

Lower right first premolar

d)

Upper right second molar

30.

Primary teeth are labeled using:

a)

Letters A–T

b)

Numbers 1–32

c)

Roman numerals

d)

Shapes

31.

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

a)

Plaque

b)

Saliva

c)

Calcium

d)

Bone

32.

Tooth decay is called:

a)

Caries

b)

Halitosis

c)

Attrition

d)

Gums

33.

What angle should the toothbrush be held?

a)

0°

b)

45°

c)

90°

d)

Upside down

34.

How long should brushing last?

a)

10 seconds

b)

30 seconds

c)

2 minutes

d)

10 minutes

35.

What tool cleans between the teeth?

a)

Toothbrush only

b)

Dental floss

c)

Chewing gum

d)

Popsicle stick

36.

Which is not a flossing product?

a)

Floss picks

b)

Water flosser

c)

String floss

d)

Lotion

37.

What does fluoride do?

a)

Strengthens enamel

b)

Causes plaque to grow

c)

Removes nerves

d)

Makes gums disappear

38.

Why should sugary snacks be limited?

a)

They feed bacteria in plaque

b)

They make teeth stronger

c)

They clean the mouth

d)

They prevent cavities

39.

What is mouth rinse used for?

a)

Reduce bacteria and freshen breath

b)

Replace brushing permanently

c)

Sand down teeth

d)

Remove the roots

40.

Brushing twice daily is important because:

a)

Removes plaque before it hardens

b)

Strengthens bones

c)

Makes you run faster

d)

Bends the teeth

41.

The best drink for healthy teeth is:

a)

Water

b)

Soda

c)

Sports drinks

d)

Juice

42.

Dental checkups should happen:

a)

Every 6 months

b)

Every 5 years

c)

Only if something hurts

d)

Never

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