Page 1 of 43
EFDA hottel boards Exam Test Questions & Answers (Latest
)
What agent is used in topical anesthetic?
.......ANSWER......Benzocaine
How long should topical anesthetic be placed for more profound
soft tissue analgesia? .......ANSWER......60 to 90 seconds
Dry angles are an effective way to control saliva secretions from
.......ANSWER......stensen's duct
what type of ZOE lacks strength and long-term durability?
.......ANSWER......type I (temporary cement)
This type of cement is a hybrid of silicate and polycarboxilate
cement .......ANSWER......glass ionomer
what material is supplied as a paste/paste system and also in
cartridges? .......ANSWER......polyether
,Page 2 of 43
What does the term elastomeric mean? .......ANSWER......having
elastic or rubber-like qualities
an alginate absorbing excess water is termed what?
.......ANSWER......imbibition
what is a final impression used for? .......ANSWER......an accurate
reproduction of teeth and surrounding tissue
what is the negative reproduction of dental arches and
surrounding tissues? .......ANSWER......impression
at what point in a procedure is a mylar matrix placed?
.......ANSWER......before etching
the retainer (toffelmire) is positioned from what surface?
.......ANSWER......buccal
Where is the wedge inserted to position the matrix band firmly
against the gingival margin? .......ANSWER......lingual embrasure
,Page 3 of 43
what instruments are used to contour a matrix band?
.......ANSWER......burnisher or mirror handle
a matrix band is made of what? .......ANSWER......thin flexible
steel
what stabilizes the tofflemire matrix band?
.......ANSWER......wooden wedge
what type of stain can chlorhexidine cause?
.......ANSWER......extrinsic
most common type of temporary coverage for crown and
bridge? .......ANSWER......custom provisional
why only intermittent pressure of a tooth when polishing?
.......ANSWER......heat dissipates between strokes
Course, extra course, medium, fine and extrafine are different
_____ of polishing paste? .......ANSWER......grit
, Page 4 of 43
removal of calculus, debris, stain, and plaque from teeth
.......ANSWER......oral prophylaxis
where on the tooth do you begin to use prophy cup?
.......ANSWER......gingival third
what is the different between catalyst and a base?
.......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?
.......ANSWER......yes, because its tooth colored
What is a class I cavity .......ANSWER......decay in pits and fissures
of occlusal surface
What is a class II cavity .......ANSWER......decay on proximal
(mesial or distal) surfaces of premolars and molars
EFDA hottel boards Exam Test Questions & Answers (Latest
)
What agent is used in topical anesthetic?
.......ANSWER......Benzocaine
How long should topical anesthetic be placed for more profound
soft tissue analgesia? .......ANSWER......60 to 90 seconds
Dry angles are an effective way to control saliva secretions from
.......ANSWER......stensen's duct
what type of ZOE lacks strength and long-term durability?
.......ANSWER......type I (temporary cement)
This type of cement is a hybrid of silicate and polycarboxilate
cement .......ANSWER......glass ionomer
what material is supplied as a paste/paste system and also in
cartridges? .......ANSWER......polyether
,Page 2 of 43
What does the term elastomeric mean? .......ANSWER......having
elastic or rubber-like qualities
an alginate absorbing excess water is termed what?
.......ANSWER......imbibition
what is a final impression used for? .......ANSWER......an accurate
reproduction of teeth and surrounding tissue
what is the negative reproduction of dental arches and
surrounding tissues? .......ANSWER......impression
at what point in a procedure is a mylar matrix placed?
.......ANSWER......before etching
the retainer (toffelmire) is positioned from what surface?
.......ANSWER......buccal
Where is the wedge inserted to position the matrix band firmly
against the gingival margin? .......ANSWER......lingual embrasure
,Page 3 of 43
what instruments are used to contour a matrix band?
.......ANSWER......burnisher or mirror handle
a matrix band is made of what? .......ANSWER......thin flexible
steel
what stabilizes the tofflemire matrix band?
.......ANSWER......wooden wedge
what type of stain can chlorhexidine cause?
.......ANSWER......extrinsic
most common type of temporary coverage for crown and
bridge? .......ANSWER......custom provisional
why only intermittent pressure of a tooth when polishing?
.......ANSWER......heat dissipates between strokes
Course, extra course, medium, fine and extrafine are different
_____ of polishing paste? .......ANSWER......grit
, Page 4 of 43
removal of calculus, debris, stain, and plaque from teeth
.......ANSWER......oral prophylaxis
where on the tooth do you begin to use prophy cup?
.......ANSWER......gingival third
what is the different between catalyst and a base?
.......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?
.......ANSWER......yes, because its tooth colored
What is a class I cavity .......ANSWER......decay in pits and fissures
of occlusal surface
What is a class II cavity .......ANSWER......decay on proximal
(mesial or distal) surfaces of premolars and molars
