EFDA FINAL EXAM QUESTIONS WITH
CORRECT ANSWERS
Cavity varnish or dentin adhesive should be applied before using this material because of the
adverse effects - CORRECT ANSWER -Zinc phosphate
What type of bond is created between the layer of resin that is uncured between filled and
unfilled resin - CORRECT ANSWER -Chemical bond
What is the junction of 3 walls in a cavity prep - CORRECT ANSWER -Point angle
This is when you. are removing marginal irregularities and defining anatomical contours -
CORRECT ANSWER -Finishing amalgam restorations
Universal # is #17 mandibular left 3rd molar - CORRECT ANSWER -FDI #38
Caries lesions on the proximal wall and also includes the Incisal edge and should be slightly out
of occlusion on the excursive and centric - CORRECT ANSWER -Class IV
EFDA's are not allowed to make adjustments on fixed or removable appliances - CORRECT
ANSWER -Therapeutic intraoral adjustments
When working on the mandibular arch the patient should be positioned in what angle? -
CORRECT ANSWER -25-45 degrees
Materials placed in the cavity prep to protect the pulp depends on? - CORRECT ANSWER -Cavity
depth and material used
, Newly certified EFDA's practice under what type of observation? - CORRECT ANSWER -Direct
Mandibular 1st molars are not identified by this Ridge? - CORRECT ANSWER -Oblique ridge
When using Glass Ionomer under the restoration inside of the tooth what is this process called -
CORRECT ANSWER -Sandwich Technique
The enamel is thickest at the Incisal third causing it to look? - CORRECT ANSWER -More
translucent
The relationship between the working end of the tooth and the surface - CORRECT ANSWER -
Adaptation
The floor of a class V restoration that runs vertically along the long axis of the tooth is called? -
CORRECT ANSWER -Axial wall
Failure of GI restoration and sealant placement is due to? - CORRECT ANSWER -Moisture control
Bond that is created between the tooth and resin bonding agent - CORRECT ANSWER -
Mechanical bond
Filler particles coated to achieve a bond between resin matrix and inorganic fillers of composite
materials - CORRECT ANSWER -Saline coupling agent
A bonding agent is required when placing sealants - CORRECT ANSWER -False
When placing a rubber dam on a class V the holes should be displaced facially - CORRECT
ANSWER -3-6 mm
CORRECT ANSWERS
Cavity varnish or dentin adhesive should be applied before using this material because of the
adverse effects - CORRECT ANSWER -Zinc phosphate
What type of bond is created between the layer of resin that is uncured between filled and
unfilled resin - CORRECT ANSWER -Chemical bond
What is the junction of 3 walls in a cavity prep - CORRECT ANSWER -Point angle
This is when you. are removing marginal irregularities and defining anatomical contours -
CORRECT ANSWER -Finishing amalgam restorations
Universal # is #17 mandibular left 3rd molar - CORRECT ANSWER -FDI #38
Caries lesions on the proximal wall and also includes the Incisal edge and should be slightly out
of occlusion on the excursive and centric - CORRECT ANSWER -Class IV
EFDA's are not allowed to make adjustments on fixed or removable appliances - CORRECT
ANSWER -Therapeutic intraoral adjustments
When working on the mandibular arch the patient should be positioned in what angle? -
CORRECT ANSWER -25-45 degrees
Materials placed in the cavity prep to protect the pulp depends on? - CORRECT ANSWER -Cavity
depth and material used
, Newly certified EFDA's practice under what type of observation? - CORRECT ANSWER -Direct
Mandibular 1st molars are not identified by this Ridge? - CORRECT ANSWER -Oblique ridge
When using Glass Ionomer under the restoration inside of the tooth what is this process called -
CORRECT ANSWER -Sandwich Technique
The enamel is thickest at the Incisal third causing it to look? - CORRECT ANSWER -More
translucent
The relationship between the working end of the tooth and the surface - CORRECT ANSWER -
Adaptation
The floor of a class V restoration that runs vertically along the long axis of the tooth is called? -
CORRECT ANSWER -Axial wall
Failure of GI restoration and sealant placement is due to? - CORRECT ANSWER -Moisture control
Bond that is created between the tooth and resin bonding agent - CORRECT ANSWER -
Mechanical bond
Filler particles coated to achieve a bond between resin matrix and inorganic fillers of composite
materials - CORRECT ANSWER -Saline coupling agent
A bonding agent is required when placing sealants - CORRECT ANSWER -False
When placing a rubber dam on a class V the holes should be displaced facially - CORRECT
ANSWER -3-6 mm
