FREE EFDA Restorative & Prosthodontic Procedures Questions and Answers

Question 1

What is the primary purpose of a dental dam in restorative procedures?

Accepted Answer

To isolate the tooth and protect adjacent tissues

Answer

To improve the patient's comfort during the procedure

Answer

To reduce the need for local anesthesia

Answer

To speed up the curing time of composite materials

Question 2

Which material is most commonly used for temporary crowns?

Accepted Answer

Acrylic resin

Answer

Gold alloy

Answer

Porcelain

Answer

Zirconia

Question 3

What is the correct sequence for placing a composite restoration?

Accepted Answer

Etch, rinse, bond, place composite, cure

Answer

Etch, bond, cure, place composite

Answer

Bond, etch, place composite, cure

Answer

Place composite, etch, bond, cure

Question 4

Why is proper matrix band placement critical in Class II restorations?

Accepted Answer

To ensure proper contact and contour with adjacent teeth

Answer

To reduce chair time

Answer

To eliminate the need for polishing

Answer

To make removal of excess material easier

Question 5

Which instrument is used to check occlusal contacts after crown placement?

Accepted Answer

Articulating paper

Answer

Explorer

Answer

Periodontal probe

Answer

Spoon excavator

Question 6

What is the ideal moisture condition for dentin during bonding?

Accepted Answer

Slightly moist (glossy but not pooled)

Answer

Bone-dry

Answer

Soaked with water

Answer

Coated with saliva

Question 7

Which factor most affects the setting time of dental cements?

Accepted Answer

Temperature of the mixing slab

Answer

Room lighting

Answer

Humidity levels

Answer

Patient's age

Question 8

What is the purpose of a gingival retraction cord?

Accepted Answer

To displace gingiva and expose the margin

Answer

To stop bleeding during surgery

Answer

To whiten the gums

Answer

To numb the tooth

Question 9

Which characteristic distinguishes a Type III gold alloy from a Type IV?

Accepted Answer

Type IV has higher hardness for crowns/bridges

Answer

Type III is for orthodontic appliances

Answer

Type III contains platinum

Answer

Type IV cannot be polished