EFDA Practice Exam (Restorative Functions) / a= a= a= a= a=
126 Questions and Answers Latest
a= a= a= a= a=
What is used to stabilize a Tofflemire matrix band at the gingival margin of a tooth?
a= a= a= a= a= a= a= a= a= a= a= a= a= a= a=
-Floss
-Wooden wedge a=
-Retraction cord a=
-Metal clamp a=
Wooden wedge a=
Which of the following are involved in a Class II cavity restoration?
a= a= a= a= a= a= a= a= a= a= a=
-Anterior mesial and interproximal surfaces a= a= a= a=
-Posterior mesial and occlusal surfaces a= a= a= a=
-Anterior distal and occlusal surface a= a= a= a=
-Posterior one surface with pits and fissures a= a= a= a= a= a=
Posterior mesial and occlusal surfaces a= a= a= a=
What are the four components of a composite resin?
a= a= a= a= a= a= a= a=
-Glass ionomer, alloy powder, silica, organosilane compound
a= a= a= a= a= a=
-Organic resin matrix, inorganic fillers, coupling agent, pigments
a= a= a= a= a= a= a=
-Bis-GMA, tin, copper, polishable fillers a= a= a= a=
-Resin matrix, eugenol, quartz fillers, inorganic coloring
a= a= a= a= a= a=
Organic resin matrix, inorganic fillers, coupling agent, pigments
a= a= a= a= a= a= a=
One of the main DISADVANTAGES of using an illuminated dental isolation system is
a= a= a= a= a= a= a= a= a= a= a= a=
-a prolonged procedure time.
a= a= a=
-the cost of mouthpieces.
a= a= a=
,-adherence to mucosa. a= a=
-its limited use in procedures.
a= a= a= a=
the cost of mouthpieces.
a= a= a=
After placement of an amalgam restoration, advise the patient to
a= a= a= a= a= a= a= a= a=
-not chew or bite on the restoration for at least 72 hours.
a= a= a= a= a= a= a= a= a= a= a=
-not chew or bite on the restoration for 24 hours.
a= a= a= a= a= a= a= a= a=
-use a mouth rinse twice daily for one week.
a= a= a= a= a= a= a= a=
-rinse with fluoride when he or she returns home.
a= a= a= a= a= a= a= a=
not chew or bite on the restoration for 24 hours.
a= a= a= a= a= a= a= a= a=
Which of the following procedures does NOT require the use of a fulcrum?
a= a= a= a= a= a= a= a= a= a= a= a=
-Coronal polishing a=
-Suctioning
-Placing a dental liner a= a= a=
-Removing dental cement a= a=
Suctioning
What is an example of a Class VI cavity?
a= a= a= a= a= a= a= a=
-Incisal angle a=
-Lingual pit a=
-Proximal surface a=
-Wear facet a=
Wear facet a=
A cavity preparation involving the incisal angle is classified as
a= a= a= a= a= a= a= a= a=
-Class IV. a=
,-Class V. a=
-Class III. a=
-Class VI. a=
Class IV a=
What should the operator do after adjusting the occlusal-gingival height of a stainless steel crown?
a= a= a= a= a= a= a= a= a= a= a= a= a= a=
-Smooth the rough edges of the crown.a= a= a= a= a= a=
-Adjust the occlusal circumference of the crown.
a= a= a= a= a= a=
-Line the crown with a thin layer of composite resin.
a= a= a= a= a= a= a= a= a=
-Polish the occlusal surface of the crown with pumice.
a= a= a= a= a= a= a= a=
Smooth the rough edges of the crown.
a= a= a= a= a= a=
The mechanical means of mixing dental alloy and mercury is known as
a= a= a= a= a= a= a= a= a= a= a=
-bonding.
-amalgamation.
-coupling.
-trituration.
trituration.
How long is a mechanical retraction cord left in place?
a= a= a= a= a= a= a= a= a=
-1-5 minutes
a=
-16-20 minutes a=
-10-15 minutes a=
-6-9 minutes
a=
10-15 minutes a=
, An advantage to using stainless steel crowns compared to other preformed crowns is that stainless ste
a= a= a= a= a= a= a= a= a= a= a= a= a= a= a=
el crowns
a=
-have more natural-looking color.
a= a= a=
-are more durable.
a= a=
-have better wear ability.a= a= a=
-are softer. a=
are more durable.
a= a=
During the amalgam polishing procedure, which technique will minimize the production of heat and m
a= a= a= a= a= a= a= a= a= a= a= a= a= a=
ercury vapors? a=
-Slow to moderate handpiece speed
a= a= a= a=
-Application of medium to course abrasives a= a= a= a= a=
-Continuous contact with restoration a= a= a=
-Maintaining a dry field of operation a= a= a= a= a=
Slow to moderate handpiece speed
a= a= a= a=
What restorative material is used for emergencies, patient illness or economic reasons?
a= a= a= a= a= a= a= a= a= a= a=
-Direct restorative a=
-Indirect restorative a=
-Provisional restorative a=
-Intermediate restorative a=
Intermediate restorative a=
Why is a dental dam a method for infection control?
a= a= a= a= a= a= a= a= a=
-Prevents spatter a=
-Prevents patients from coughing a= a= a=
-Reduces salivary aerosols a= a=
-Protects the patient's face a= a= a=
Reduces salivary aerosols a= a=
126 Questions and Answers Latest
a= a= a= a= a=
What is used to stabilize a Tofflemire matrix band at the gingival margin of a tooth?
a= a= a= a= a= a= a= a= a= a= a= a= a= a= a=
-Floss
-Wooden wedge a=
-Retraction cord a=
-Metal clamp a=
Wooden wedge a=
Which of the following are involved in a Class II cavity restoration?
a= a= a= a= a= a= a= a= a= a= a=
-Anterior mesial and interproximal surfaces a= a= a= a=
-Posterior mesial and occlusal surfaces a= a= a= a=
-Anterior distal and occlusal surface a= a= a= a=
-Posterior one surface with pits and fissures a= a= a= a= a= a=
Posterior mesial and occlusal surfaces a= a= a= a=
What are the four components of a composite resin?
a= a= a= a= a= a= a= a=
-Glass ionomer, alloy powder, silica, organosilane compound
a= a= a= a= a= a=
-Organic resin matrix, inorganic fillers, coupling agent, pigments
a= a= a= a= a= a= a=
-Bis-GMA, tin, copper, polishable fillers a= a= a= a=
-Resin matrix, eugenol, quartz fillers, inorganic coloring
a= a= a= a= a= a=
Organic resin matrix, inorganic fillers, coupling agent, pigments
a= a= a= a= a= a= a=
One of the main DISADVANTAGES of using an illuminated dental isolation system is
a= a= a= a= a= a= a= a= a= a= a= a=
-a prolonged procedure time.
a= a= a=
-the cost of mouthpieces.
a= a= a=
,-adherence to mucosa. a= a=
-its limited use in procedures.
a= a= a= a=
the cost of mouthpieces.
a= a= a=
After placement of an amalgam restoration, advise the patient to
a= a= a= a= a= a= a= a= a=
-not chew or bite on the restoration for at least 72 hours.
a= a= a= a= a= a= a= a= a= a= a=
-not chew or bite on the restoration for 24 hours.
a= a= a= a= a= a= a= a= a=
-use a mouth rinse twice daily for one week.
a= a= a= a= a= a= a= a=
-rinse with fluoride when he or she returns home.
a= a= a= a= a= a= a= a=
not chew or bite on the restoration for 24 hours.
a= a= a= a= a= a= a= a= a=
Which of the following procedures does NOT require the use of a fulcrum?
a= a= a= a= a= a= a= a= a= a= a= a=
-Coronal polishing a=
-Suctioning
-Placing a dental liner a= a= a=
-Removing dental cement a= a=
Suctioning
What is an example of a Class VI cavity?
a= a= a= a= a= a= a= a=
-Incisal angle a=
-Lingual pit a=
-Proximal surface a=
-Wear facet a=
Wear facet a=
A cavity preparation involving the incisal angle is classified as
a= a= a= a= a= a= a= a= a=
-Class IV. a=
,-Class V. a=
-Class III. a=
-Class VI. a=
Class IV a=
What should the operator do after adjusting the occlusal-gingival height of a stainless steel crown?
a= a= a= a= a= a= a= a= a= a= a= a= a= a=
-Smooth the rough edges of the crown.a= a= a= a= a= a=
-Adjust the occlusal circumference of the crown.
a= a= a= a= a= a=
-Line the crown with a thin layer of composite resin.
a= a= a= a= a= a= a= a= a=
-Polish the occlusal surface of the crown with pumice.
a= a= a= a= a= a= a= a=
Smooth the rough edges of the crown.
a= a= a= a= a= a=
The mechanical means of mixing dental alloy and mercury is known as
a= a= a= a= a= a= a= a= a= a= a=
-bonding.
-amalgamation.
-coupling.
-trituration.
trituration.
How long is a mechanical retraction cord left in place?
a= a= a= a= a= a= a= a= a=
-1-5 minutes
a=
-16-20 minutes a=
-10-15 minutes a=
-6-9 minutes
a=
10-15 minutes a=
, An advantage to using stainless steel crowns compared to other preformed crowns is that stainless ste
a= a= a= a= a= a= a= a= a= a= a= a= a= a= a=
el crowns
a=
-have more natural-looking color.
a= a= a=
-are more durable.
a= a=
-have better wear ability.a= a= a=
-are softer. a=
are more durable.
a= a=
During the amalgam polishing procedure, which technique will minimize the production of heat and m
a= a= a= a= a= a= a= a= a= a= a= a= a= a=
ercury vapors? a=
-Slow to moderate handpiece speed
a= a= a= a=
-Application of medium to course abrasives a= a= a= a= a=
-Continuous contact with restoration a= a= a=
-Maintaining a dry field of operation a= a= a= a= a=
Slow to moderate handpiece speed
a= a= a= a=
What restorative material is used for emergencies, patient illness or economic reasons?
a= a= a= a= a= a= a= a= a= a= a=
-Direct restorative a=
-Indirect restorative a=
-Provisional restorative a=
-Intermediate restorative a=
Intermediate restorative a=
Why is a dental dam a method for infection control?
a= a= a= a= a= a= a= a= a=
-Prevents spatter a=
-Prevents patients from coughing a= a= a=
-Reduces salivary aerosols a= a=
-Protects the patient's face a= a= a=
Reduces salivary aerosols a= a=
