What Is the Best Solution to the Problem of Debonding

question 14

Multiple Choice

What is the best solution to the problem of debonding of ceramic from a ceramic-alloy restoration after cementation in the mouth?

• A) Bond direct composite to the metal substructure.
• B) Refire new porcelain to the metal while the crown remains in the mouth.
• C) Remove the crown, refire new porcelain to the metal, and then re-cement the crown.
• D) Prevent debonding by selection of compatible alloys and ceramics and the proper manipulation of these materials during fabrication.

Grasp the concept of mutations and DNA repair mechanisms.

Identify the types of cells where mutations can be passed to offspring.

Recognize the processes involved in DNA replication.

Describe how DNA serves as a template for its own replication.