enamel structure

Question 1

What is the primary mineral component of tooth enamel?

Answer 1

Hydroxyapatite

Question 2

True or False: Tooth enamel is the hardest substance in the human body.

Answer 2

True

Question 3

Fill in the blank: The structure of tooth enamel is primarily composed of _______.

Answer 3

Mineral crystals

Question 4

What percentage of tooth enamel is made up of inorganic material?

Answer 4

About 95%

Question 5

What is the main function of tooth enamel?

Answer 5

To protect the underlying dentin and pulp from damage and decay.

Question 6

Which type of cells are responsible for the formation of enamel?

Answer 6

Ameloblasts

Question 7

True or False: Enamel has the ability to regenerate.

Answer 7

False

Question 8

What is the average thickness of enamel on human teeth?

Answer 8

1 to 2.5 mm

Question 9

Multiple Choice: Which of the following is NOT a characteristic of enamel? A) Translucent B) Porous C) Brittle D) Flexible

Answer 9

D) Flexible

Question 10

What is the role of fluoride in relation to tooth enamel?

Answer 10

Fluoride helps to remineralize and strengthen enamel.

Question 11

Fill in the blank: Enamel is primarily formed during the _______ stage of tooth development.

Answer 11

Amelogenesis

Question 12

True or False: Enamel is composed of living cells.

Answer 12

False

Question 13

What can damage tooth enamel?

Answer 13

Acidic foods, sugary drinks, and poor oral hygiene.

Question 14

What is the term for the loss of enamel due to acid exposure?

Answer 14

Erosion

Question 15

Which part of the tooth does enamel cover?

Answer 15

The crown of the tooth

Question 16

Multiple Choice: Which of the following is the most common type of enamel defect? A) Amelogenesis Imperfecta B) Dentinogenesis Imperfecta C) Hypoplasia D) All of the above

Answer 16

C) Hypoplasia

Question 17

What is the microscopic structure of enamel primarily composed of?

Answer 17

Enamel prisms or rods

Question 18

Fill in the blank: Enamel is more _______ than dentin.

Answer 18

Mineralized

Question 19

True or False: Enamel can be stained by certain foods and beverages.

Answer 19

True

Question 20

What is the relationship between enamel thickness and dental caries?

Answer 20

Thinner enamel is more susceptible to dental caries.

Question 21

What is the primary form of calcium in tooth enamel?

Answer 21

Calcium phosphate

Question 22

Multiple Choice: What is the primary role of ameloblasts? A) Forming dentin B) Forming enamel C) Forming pulp D) Forming cementum

Answer 22

B) Forming enamel

Question 23

What is the main reason enamel is considered non-renewable?

Answer 23

It lacks living cells and cannot regenerate.

Question 24

Fill in the blank: Enamel is _______ to bacteria compared to other dental tissues.

Answer 24

More resistant

Question 25

True or False: The color of enamel can vary based on genetics and environmental factors.

Answer 25

True

Question 26

What happens to enamel as a person ages?

Answer 26

It may wear down and become thinner.

Question 27

Which vitamin is important for enamel health?

Answer 27

Vitamin D