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RDA #4
Instructions:
-
Molar & premolar proximal surfaces cavities are called ____.
A. Class I
B. Class II
C. Class III
D. None of the above
-
Enamel-forming cells are called?
A. Ameloblasts
B. Odontoblasts
C. Cementoblasts
D. None of the above
-
What is the last development stage before eruption?
A. Calcifcation
B. Initiation
C. Attrition
D. Proliferation
-
What is the final stage of the life cycle of the tooth?
A. Attrition
B. Initiation
C. Proliferation
D. Calaifcation
-
Class VI Cavities are due to ______.
A. Not flossing every day
B. Cavities in between teeth
C. All the above
D. Attrition
-
The hardest living substance in the body is?
A. Dentin
B. Cementum
C. None of the above
D. Enamel
-
Primary teeth may erupt with a covering over the enamel called Nasmyth's membrane.
A. FALSE
B. TRUE
RDA #4
(Answer Key)
Instructions:
-
Molar & premolar proximal surfaces cavities are called ____.
A. Class I
B. Class II
C. Class III
D. None of the above
-
Enamel-forming cells are called?
A. Ameloblasts
B. Odontoblasts
C. Cementoblasts
D. None of the above
-
What is the last development stage before eruption?
A. Calcifcation
B. Initiation
C. Attrition
D. Proliferation
-
What is the final stage of the life cycle of the tooth?
A. Attrition
B. Initiation
C. Proliferation
D. Calaifcation
-
Class VI Cavities are due to ______.
A. Not flossing every day
B. Cavities in between teeth
C. All the above
D. Attrition
-
The hardest living substance in the body is?
A. Dentin
B. Cementum
C. None of the above
D. Enamel
-
Primary teeth may erupt with a covering over the enamel called Nasmyth's membrane.
A. FALSE
B. TRUE