Dental Materials Quiz

One of the most effective ways of improving the marginal seal and mechanical bonding of composite resins to the tooth structure is to….

• Pretreat enamel

• Condition or pretreat enamel of the preparation

• Perform a prophy before restoring tooth

• Increasing the curing time

What is the main difference between a liner and a base?

• Bases are used in bulk to replace dentin

• Liners are used in bulk to replace dentin

• Bases and liners are used the same

• Bases are used in a thin layer to replace dentin

You are about to take alginate impressions on a patient. What can you do to help prevent the patient from gagging during this procedure?

• Work quickly

  Use warm water

  Seat patient upright

  Have patient breath through nose

• Tell patient to hold tight its almost over

• Work quickly

  Use cold water

  Seat patient upright

  Have patient breath through nose

• Work quickly

  Lay patient back

  Use warm water

  Have patient breath through nose

Fluoride concentration of stannous fluoride (SnF2)…

• 1.5%

• 2.33%

• 1.23%

• 1.68%

All of the following are contraindications to the placement of sealants except…

• Caries on occlusal surface

• Unable to maintain dry field

• Deep pit and fissures

• Smooth occlusal surface

Polycarboxylate cement adheres to …

• Dentin

• Enamel

• Metal

• All of the above

What are the 2 most frequency quoted disadvantages of the rubber dam?

• Time consumption

  Patient Objection

• Does not work well

  Cost

• Patient objection

  Cost

• Cost

  Time consumption

Which one of the following is the most irritating to the pulp?

• ZOE

• Calcium hydroxide

• Zinc phosphate

• Glass ionomer

Which characteristic of color refers to color families?

• Tint

• Shade

• Hue

• Darkness

All of the following are components of sodium fluoride paste, which is used to treat hypersensitive root surfaces except….

• Sodium fluoride

• Borax

• Kaolin

• Glycerin