The bulk of the dentinal material is called primary dentin or regular dentin.An area of higher crystalline content immediately surrounding the dentinal tubules is called sclerotic dentin.
A) Both statements are true.
B) The first statement is true;the second statement is false.
C) The first statement is false;the second statement is true.
D) Both statements are false.

Question

The bulk of the dentinal material is called primary dentin or regular dentin.An area of higher crystalline content immediately surrounding the dentinal tubules is called sclerotic dentin.
A) Both statements are true.
B) The first statement is true;the second statement is false.
C) The first statement is false;the second statement is true.
D) Both statements are false.

Quizplus · Accepted Answer

The bulk of the dentinal material is called intertubular dentin.An area of higher crystalline content immediately surrounding the dentinal tubules is called peritubular dentin.(Hint: peri means around. )Regarding incorrect terminology,primary or regular dentin is the structure that exists when a tooth erupts into the oral cavity.In sclerotic dentin,a condition caused by occlusal trauma or decay,the empty dentinal tubules become filled with a dentin material.

The Bulk of the Dentinal Material Is Called Primary Dentin