Question 1

Etching the surface of enamel stimulates remineralization.

Accepted Answer

A) True 
 B)False

Question 2

Enamel varies in density and hardness.

Accepted Answer

A) True 
 B)False

Question 3

Which type of enamel contains many tiny spaces stained with pigment?

Accepted Answer

A)  Gnarled 
B)  Prenatal 
C)  Postnatal 
D)  Prismless 
A)  Gnarled 
B)  Prenatal 
C)  Postnatal 
D)  Prismless

Question 4

Ameloblasts produce _______ as they migrate.

Accepted Answer

A)  cementoid 
B)  enamel rods 
C)  epithelial rests 
D)  dentinal tubules 
A)  cementoid 
B)  enamel rods 
C)  epithelial rests 
D)  dentinal tubules

Question 5

Enamel lamellae are not tubular defects,but leaflike tracts.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following does not facilitate the spread of dental caries?

Accepted Answer

A)  Enamel tufts 
B)  Enamel lamellae 
C)  Incremental lines 
D)  Prismless enamel 
A)  Enamel tufts 
B)  Enamel lamellae 
C)  Incremental lines 
D)  Prismless enamel

Question 7

Tertiary enamel is deposited in response to structural damage.

Accepted Answer

A) True 
 B)False

Question 8

Which part of the enamel rod is most sensitive to demineralization?

Accepted Answer

A)  Tail 
B)  Core 
C)  Head 
D)  Sheath 
A)  Tail 
B)  Core 
C)  Head 
D)  Sheath

Question 9

Which statement is true?

Accepted Answer

A)  Tubular defects are associated with enamel lamellae. 
B)  Lamellae provide increased resistance to dental caries. 
C)  Breathing cold air is a risk factor in developing enamel lamellae. 
D)  Enamel lamellae are microscopic cracks in the surface of enamel. 
A)  Tubular defects are associated with enamel lamellae. 
B)  Lamellae provide increased resistance to dental caries. 
C)  Breathing cold air is a risk factor in developing enamel lamellae. 
D)  Enamel lamellae are microscopic cracks in the surface of enamel.

Question 10

Ameloblasts deposit 4 µm of enamel rods daily.

Accepted Answer

A) True 
 B)False

Question 11

The surface of an enamel rod is called the ______ _______.

Accepted Answer

rod sheath

Question 12

Incremental lines result from the rhythmic,recurrent deposition of enamel.

Accepted Answer

A) True 
 B)False

Question 13

Perikymata are found in which location?

Accepted Answer

A)  Cusp tip 
B)  Cervical third of the root 
C)  Middle third of the crown's lingual aspect 
D)  Cervical third of the crown's facial aspect 
A)  Cusp tip 
B)  Cervical third of the root 
C)  Middle third of the crown's lingual aspect 
D)  Cervical third of the crown's facial aspect

Etching the surface of enamel stimulates remineralization.

Enamel varies in density and hardness.

Which type of enamel contains many tiny spaces stained with pigment?

Ameloblasts produce _______ as they migrate.

Enamel lamellae are not tubular defects,but leaflike tracts.

Which of the following does not facilitate the spread of dental caries?

Tertiary enamel is deposited in response to structural damage.

Which part of the enamel rod is most sensitive to demineralization?

Which statement is true?

Ameloblasts deposit 4 µm of enamel rods daily.

The surface of an enamel rod is called the _.

Incremental lines result from the rhythmic,recurrent deposition of enamel.

Perikymata are found in which location?

Development and Structure of Cells and Tissues

Structure and Function of Cells, Tissues, and Organs

Development of the Oral Facial Region

Development of the Face and Palate

Development of Teeth

Eruption and Shedding of the Teeth

Dentin

Dental Pulp

Cementum

Periodontium: Periodontal Ligament

Periodontium: Alveolar Process and Cementum

Temporomandibular Joint

Oral Mucosa

Salivary Glands and Tonsils

Biofilms

Filters

Exam 7: Enamel

Etching the surface of enamel stimulates remineralization.

Enamel varies in density and hardness.

Which type of enamel contains many tiny spaces stained with pigment?

Ameloblasts produce _______ as they migrate.

Enamel lamellae are not tubular defects,but leaflike tracts.

Which of the following does not facilitate the spread of dental caries?

Tertiary enamel is deposited in response to structural damage.

Which part of the enamel rod is most sensitive to demineralization?

Which statement is true?

Ameloblasts deposit 4 µm of enamel rods daily.

The surface of an enamel rod is called the ______ _______.

Incremental lines result from the rhythmic,recurrent deposition of enamel.

Perikymata are found in which location?

Development and Structure of Cells and Tissues

Structure and Function of Cells, Tissues, and Organs

Development of the Oral Facial Region

Development of the Face and Palate

Development of Teeth

Eruption and Shedding of the Teeth

Dentin

Dental Pulp

Cementum

Periodontium: Periodontal Ligament

Periodontium: Alveolar Process and Cementum

Temporomandibular Joint

Oral Mucosa

Salivary Glands and Tonsils

Biofilms

Filters

The surface of an enamel rod is called the _.