EFDA Board Exam Questions and Answers
What agent is used in topical anesthetic? -
correct answer ✅Benzocaine
How long should topical anesthetic be placed for more profound
soft tissue analgesia? -
correct answer ✅60 to 90 seconds
Dry angles are an effective way to control saliva secretions from -
correct answer ✅stensen's duct
what type of ZOE lacks strength and long-term durability? -
correct answer ✅type I (temporary cement)
This type of cement is a hybrid of silicate and polycarboxilate
cement -
correct answer ✅glass ionomer
what material is supplied as a paste/paste system and also in
cartridges? -
correct answer ✅polyether
What does the term elastomeric mean? -
correct answer ✅having elastic or rubber-like qualities
,EFDA Board Exam Questions and Answers
an alginate absorbing excess water is termed what? -
correct answer ✅imbibition
what is a final impression used for? -
correct answer ✅an accurate reproduction of teeth and
surrounding tissue
what is the negative reproduction of dental arches and surrounding
tissues? -
correct answer ✅impression
at what point in a procedure is a mylar matrix placed? -
correct answer ✅before etching
the retainer (toffelmire) is positioned from what surface? -
correct answer ✅buccal
Where is the wedge inserted to position the matrix band firmly
against the gingival margin? -
correct answer ✅lingual embrasure
,EFDA Board Exam Questions and Answers
what instruments are used to contour a matrix band? -
correct answer ✅burnisher or mirror handle
a matrix band is made of what? -
correct answer ✅thin flexible steel
what stabilizes the tofflemire matrix band? -
correct answer ✅wooden wedge
what type of stain can chlorhexidine cause? -
correct answer ✅extrinsic
most common type of temporary coverage for crown and bridge? -
correct answer ✅custom provisional
why only intermittent pressure of a tooth when polishing? -
correct answer ✅heat dissipates between strokes
Course, extra course, medium, fine and extrafine are different
_____ of polishing paste? -
correct answer ✅grit
, EFDA Board Exam Questions and Answers
removal of calculus, debris, stain, and plaque from teeth -
correct answer ✅oral prophylaxis
where on the tooth do you begin to use prophy cup? -
correct answer ✅gingival third
what is the different between catalyst and a base? -
correct answer ✅Base- basic ingredient of material
catalyst- increases the rate of chemical reaction (makes it set)
Would you use a polymer crown on an anterior tooth? why? -
correct answer ✅yes, because its tooth colored
What is a class I cavity -
correct answer ✅decay in pits and fissures of occlusal surface
What is a class II cavity -
correct answer ✅decay on proximal (mesial or distal) surfaces of
premolars and molars
What agent is used in topical anesthetic? -
correct answer ✅Benzocaine
How long should topical anesthetic be placed for more profound
soft tissue analgesia? -
correct answer ✅60 to 90 seconds
Dry angles are an effective way to control saliva secretions from -
correct answer ✅stensen's duct
what type of ZOE lacks strength and long-term durability? -
correct answer ✅type I (temporary cement)
This type of cement is a hybrid of silicate and polycarboxilate
cement -
correct answer ✅glass ionomer
what material is supplied as a paste/paste system and also in
cartridges? -
correct answer ✅polyether
What does the term elastomeric mean? -
correct answer ✅having elastic or rubber-like qualities
,EFDA Board Exam Questions and Answers
an alginate absorbing excess water is termed what? -
correct answer ✅imbibition
what is a final impression used for? -
correct answer ✅an accurate reproduction of teeth and
surrounding tissue
what is the negative reproduction of dental arches and surrounding
tissues? -
correct answer ✅impression
at what point in a procedure is a mylar matrix placed? -
correct answer ✅before etching
the retainer (toffelmire) is positioned from what surface? -
correct answer ✅buccal
Where is the wedge inserted to position the matrix band firmly
against the gingival margin? -
correct answer ✅lingual embrasure
,EFDA Board Exam Questions and Answers
what instruments are used to contour a matrix band? -
correct answer ✅burnisher or mirror handle
a matrix band is made of what? -
correct answer ✅thin flexible steel
what stabilizes the tofflemire matrix band? -
correct answer ✅wooden wedge
what type of stain can chlorhexidine cause? -
correct answer ✅extrinsic
most common type of temporary coverage for crown and bridge? -
correct answer ✅custom provisional
why only intermittent pressure of a tooth when polishing? -
correct answer ✅heat dissipates between strokes
Course, extra course, medium, fine and extrafine are different
_____ of polishing paste? -
correct answer ✅grit
, EFDA Board Exam Questions and Answers
removal of calculus, debris, stain, and plaque from teeth -
correct answer ✅oral prophylaxis
where on the tooth do you begin to use prophy cup? -
correct answer ✅gingival third
what is the different between catalyst and a base? -
correct answer ✅Base- basic ingredient of material
catalyst- increases the rate of chemical reaction (makes it set)
Would you use a polymer crown on an anterior tooth? why? -
correct answer ✅yes, because its tooth colored
What is a class I cavity -
correct answer ✅decay in pits and fissures of occlusal surface
What is a class II cavity -
correct answer ✅decay on proximal (mesial or distal) surfaces of
premolars and molars
