RDA #4

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

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RDA #4 (Answer Key)

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

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