Question 1

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.E) A) and D)
F) A) and C)

Question 2

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

Accepted Answer

A)   Tail
B)   Core
C)   Head
D)   SheathE) All of the above
F) A) and B)

Question 3

Tertiary enamel is deposited in response to structural damage.

Accepted Answer

A) True 
 B)False

Question 4

Ameloblasts produce _______ as they migrate.

Accepted Answer

A)   cementoid
B)   enamel rods
C)   epithelial rests
D)   dentinal tubulesE) A) and D)
F) B) and C)

Question 5

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

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 enamelE) None of the above
F) B) and C)

Question 7

Enamel lamellae are not tubular defects,but leaflike tracts.

Accepted Answer

A) True 
 B)False

Question 8

Etching the surface of enamel stimulates remineralization.

Accepted Answer

A) True 
 B)False

Question 9

Enamel varies in density and hardness.

Accepted Answer

A) True 
 B)False

Question 10

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

Accepted Answer

rod sheath...

Question 11

Ameloblasts deposit 4 µm of enamel rods daily.

Accepted Answer

A) True 
 B)False

Question 12

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

Accepted Answer

A)   Gnarled
B)   Prenatal
C)   Postnatal
D)   PrismlessE) A) and B)
F) B) and C)

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 aspectE) B) and C)
F) C) and D)

Exam 7: Enamel

Tertiary enamel is deposited in response to structural damage.

Correct Answer
verified

Enamel lamellae are not tubular defects,but leaflike tracts.

Correct Answer
verified

The surface of an enamel rod is called the _.

Correct Answer
verified
rod sheath...
View Answer

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

Correct Answer
verified

Ameloblasts deposit 4 µm of enamel rods daily.

Correct Answer
verified

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

Correct Answer
verified

Ameloblasts produce _______ as they migrate.

Correct Answer
verified

Enamel varies in density and hardness.

Correct Answer
verified

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

Correct Answer
verified

Which statement is true?

Correct Answer
verified

Etching the surface of enamel stimulates remineralization.

Correct Answer
verified

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

Correct Answer
verified

Perikymata are found in which location?

Correct Answer
verified

Exam 7: Enamel

Tertiary enamel is deposited in response to structural damage.

Correct AnswerverifiedShow Answer

Enamel lamellae are not tubular defects,but leaflike tracts.

Correct AnswerverifiedShow Answer

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

Correct Answerverifiedrod sheath...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

Ameloblasts deposit 4 µm of enamel rods daily.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Ameloblasts produce _______ as they migrate.

Correct AnswerverifiedShow Answer

Enamel varies in density and hardness.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which statement is true?

Correct AnswerverifiedShow Answer

Etching the surface of enamel stimulates remineralization.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Perikymata are found in which location?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

The surface of an enamel rod is called the _.

Correct Answer
verified
rod sheath...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified