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Occlusal fossa of the primary crown is:

 # Occlusal fossa of the primary crown is:
A. Shallower than the permanent
B. Deeper than the permanent
C. Same as permanent
D. Any of the A or B



The correct answer is A. Shallower than the permanent.

Since the thickness of the covering of pulp (enamel and dentin) is less in primary crown, the fossa is shallower as compared to permanent crown.

Pulp chamber is larger in relation to crown size in primary teeth as compared to permanent teeth.


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