DENT 1231 Chapter 8

Sclerotic dentinal tubules are typically ___________.

• obliterated

• mineralized

• calcified

• all answers are correct

As dentin is deposited a hesitation occurs leaving markings known as ________________

• imbrication lines

• lines of Retzius

• incremental lines

• lines of bieber

The etching of a cavity causes a ___________ in the diameter of the tubule.

• increase

• decrease

• no change

• spacing

The __________ is composed of fine particles of cut dentinal tubules that are produced by cavity preparation.

• odontoblast

• smear layer

• peritubular dentin

• layer of Tomes

Which type of dentin forms to protect and maintain the vitality of the pulp?

• reactionary

• mantle

• sclerotic

• peritubular