Multiple choice

Permeability of dentin does not depend upon:

  1. smear layer

  2. diffusion coefficient of fluid

  3. convection of fluid

  4. length of dentinal tubules
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Permeability of the dentin depends on the diameter and the length of the tubules. Convection coefficient relates to the amount heat transferred through the fluids. This convection has no bearing on the permeability.

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