Question 1

The reduced enamel epithelium secretes the primary enamel cuticle.

Accepted Answer

A) True 
 B)False

Question 2

The dental papilla is derived from the ectoderm. It determines the shape of the developing crown.

Accepted Answer

A)   Both statements are true.
B)   The first statement is true; the second is false.
C)   The first statement is false; the second is true.
D)   Both statements are false.E) All of the above
F) None of the above

Question 3

The primary abnormality seen in pulp is pulp stones.

Accepted Answer

A) True 
 B)False

Question 4

After the ameloblast secretes the primary enamel cuticle it is called the reduced enamel epithelium because it becomes flattened and blends with outer enamel epithelial cells.

Accepted Answer

A)   Both the statement and the reason are correct and related.
B)   Both the statement and the reason are correct but are NOT related.
C)   The statement is correct, but the reason is NOT correct.
D)   The statement is NOT correct, but the reason is correct.
E)   NEITHER the statement NOR the reason is correct.F) C) and D)
G) A) and B)

Question 5

Hundreds of odontoblasts are damaged when restoration is prepared and placed within a tooth. Sclerotic dentin forms in response to the trauma.

Accepted Answer

A)   Both statements are true.
B)   The first statement is true; the second is false.
C)   The first statement is false; the second is true.
D)   Both statements are false.E) A) and B)
F) All of the above

Question 6

The enamel rod is somewhat parallel to the dentinoenamel junction (DEJ)  because it runs all the way from the DEJ to the surface of the tooth.

Accepted Answer

A)   Both the statement and the reason are correct and related.
B)   Both the statement and the reason are correct but are NOT related.
C)   The statement is correct, but the reason is NOT correct.
D)   The statement is NOT correct, but the reason is correct.
E)   NEITHER the statement NOR the reason is correct.F) A) and C)
G) A) and E)

Question 7

Once formed, the often stained primary cuticle can be removed by (select all that apply) :

Accepted Answer

A)   Regular toothbrushing
B)   Dental scaling
C)   Dental prophylaxis
D)   Tooth bleachingE) B) and D)
F) B) and C)

Question 8

Each of the following is true of the cells of the inner enamel epithelium (IEE)  during the bell stage EXCEPT one. Which one is the EXCEPTION?

Accepted Answer

A)   The cells increase in length.
B)   The cells prepare to become secretory cells.
C)   Their organelles increase.
D)   There is a decrease in mitochondria.E) A) and B)
F) A) and D)

Question 9

Tooth development is first seen at the incisal edge or cusp tip.

Accepted Answer

A) True 
 B)False

Question 10

A sign that enamel production is completed is when the

Accepted Answer

A)   Ameloblast moves away from the dentinoenamel junction (DEJ) 
B)   Striae of Retzius are seen
C)   Maturation stage of calcification is reached
D)   Ameloblast contacts the outer enamel epithelium (OE
E)  E) C) and D)
F) A) and D)

Question 11

The bulk of the dentinal material is called primary dentin or regular dentin. An area of higher crystalline content immediately surrounding the dentinal tubules is called sclerotic dentin.

Accepted Answer

A)   Both statements are true.
B)   The first statement is true; the second is false.
C)   The first statement is false; the second is true.
D)   Both statements are false.E) B) and C)
F) C) and D)

Question 12

Following mild trauma, which type of dentin is formed?

Accepted Answer

A)   Reparative
B)   Secondary
C)   Sclerotic
D)   InterglobularE) A) and D)
F) A) and C)

Exam 20: Enamel, Dentin, and Pulp

A sign that enamel production is completed is when the

Correct Answer
verified

Tooth development is first seen at the incisal edge or cusp tip.

Correct Answer
verified

The bulk of the dentinal material is called primary dentin or regular dentin. An area of higher crystalline content immediately surrounding the dentinal tubules is called sclerotic dentin.

Correct Answer
verified

Once formed, the often stained primary cuticle can be removed by (select all that apply) :

Correct Answer
verified

The enamel rod is somewhat parallel to the dentinoenamel junction (DEJ) because it runs all the way from the DEJ to the surface of the tooth.

Correct Answer
verified

Hundreds of odontoblasts are damaged when restoration is prepared and placed within a tooth. Sclerotic dentin forms in response to the trauma.

Correct Answer
verified

The reduced enamel epithelium secretes the primary enamel cuticle.

Correct Answer
verified

After the ameloblast secretes the primary enamel cuticle it is called the reduced enamel epithelium because it becomes flattened and blends with outer enamel epithelial cells.

Correct Answer
verified

The primary abnormality seen in pulp is pulp stones.

Correct Answer
verified

Each of the following is true of the cells of the inner enamel epithelium (IEE) during the bell stage EXCEPT one. Which one is the EXCEPTION?

Correct Answer
verified

The dental papilla is derived from the ectoderm. It determines the shape of the developing crown.

Correct Answer
verified

Following mild trauma, which type of dentin is formed?

Correct Answer
verified

Exam 20: Enamel, Dentin, and Pulp

A sign that enamel production is completed is when the

Correct AnswerverifiedShow Answer

Tooth development is first seen at the incisal edge or cusp tip.

Correct AnswerverifiedShow Answer

The bulk of the dentinal material is called primary dentin or regular dentin. An area of higher crystalline content immediately surrounding the dentinal tubules is called sclerotic dentin.

Correct AnswerverifiedShow Answer

Once formed, the often stained primary cuticle can be removed by (select all that apply) :

Correct AnswerverifiedShow Answer

The enamel rod is somewhat parallel to the dentinoenamel junction (DEJ) because it runs all the way from the DEJ to the surface of the tooth.

Correct AnswerverifiedShow Answer

Hundreds of odontoblasts are damaged when restoration is prepared and placed within a tooth. Sclerotic dentin forms in response to the trauma.

Correct AnswerverifiedShow Answer

The reduced enamel epithelium secretes the primary enamel cuticle.

Correct AnswerverifiedShow Answer

After the ameloblast secretes the primary enamel cuticle it is called the reduced enamel epithelium because it becomes flattened and blends with outer enamel epithelial cells.

Correct AnswerverifiedShow Answer

The primary abnormality seen in pulp is pulp stones.

Correct AnswerverifiedShow Answer

Each of the following is true of the cells of the inner enamel epithelium (IEE) during the bell stage EXCEPT one. Which one is the EXCEPTION?

Correct AnswerverifiedShow Answer

The dental papilla is derived from the ectoderm. It determines the shape of the developing crown.

Correct AnswerverifiedShow Answer

Following mild trauma, which type of dentin is formed?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
verified

Correct Answer
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