DANB CDA DANB CDA Dental Instruments and Equipment 2

Question 1

What is the function of an amalgam carrier?

Accepted Answer

To transport and dispense amalgam into the cavity

Answer

To carve the final restoration

Answer

To mix amalgam components

Answer

To burnish the finished restoration

Question 2

Which type of matrix system is most commonly used for posterior composite restorations?

Accepted Answer

Sectional matrix system

Answer

Tofflemire matrix

Answer

Celluloid strip

Answer

Copper band

Question 3

The air-water syringe in a dental unit delivers which combination?

Accepted Answer

Air, water, or a combination spray

Answer

Air and suction

Answer

Water and suction

Answer

Only compressed air

Question 4

What is the purpose of a dental dam clamp?

Accepted Answer

To anchor the dental dam to the anchor tooth

Answer

To hold the dental dam frame in place

Answer

To punch holes in the dental dam

Answer

To cut the dental dam after use

Question 5

Which handpiece operates at speeds above 100,000 RPM?

Accepted Answer

High-speed (turbine) handpiece

Answer

Straight handpiece

Answer

Slow-speed handpiece

Answer

Prophy angle

Question 6

What is the purpose of an explorer in a dental examination?

Accepted Answer

To detect decay, calculus, and surface irregularities by tactile feel

Answer

To measure pocket depths

Answer

To apply fluoride varnish

Answer

To retract soft tissue