DM 2

A denture is an example of a direct restoration.

• True

• False

A shade guide is needed when doing all direct restorations.

• False

• True

Name the 3 ways in which wax can be manipulated.

After etching, the tooth surface must appear how?

• Shiny and smooth

• Dull and chalky

• Shiny and rough

• Sparkly

Polymerization is a chemical reaction between a?

(liquid) that allows acrylic resin to self-cure.

What is the purpose of fabricating a custom tray?

Etchant is made of:

• Chlorelhexidine

• Hydrochloric acid

• Prosthodontic acid

• Phosphoric acid

Name (3) dental materials used in dentistry that possess an exothermic reaction after mixing the chemical components together.

How does an auto-cured material harden and set?

• It air dries

• By chemical reaction

• With light

• With eugenol