Multiple choice

The size and shape of the pulp cavity are influenced by age. In the young person,

  1. pulp horns are long with large pulp chambers

  2. root canals are wide

  3. dentinal tubules are wide, filled with protoplasmic fluid

  4. all of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

With increasing age, pulp horns recede, pulp chambers become smaller, root canals get narrower from deposition of secondary and reparative dentin. Dentinal tubules become narrower or even obliterated by the deposition of peritubular dentin.

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