Rate of primary dentin formation is
Correct Answer: 4μm/day
Description: Secondary dentin forms at a slower rate (1μm/day) than primary dentin (4μm/day) and regularly but not uniformly—more formation is seen on the roof and floor of the pulp chamber. Hence this dentin is also known as regular secondary dentin. If the dentin forms as a reaction to an irritant (trauma or dental caries) to protect the pulp, it is called reparative/reactive/tertiary/irregular dentin
Category:
Dental
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