EFDA BOARD EXAM QUESTIONS AND ANSWERS
What agent is used in topical anesthetic? - Answers -Benzocaine
How long should topical anesthetic be placed for more profound soft tissue analgesia? -
Answers -60 to 90 seconds
Dry angles are an effective way to control saliva secretions from - Answers -stensen's
duct
What type of ZOE lacks strength and long-term durability? - Answers -type I (temporary
cement)
This type of cement is a hybrid of silicate and polycarboxilate cement - Answers -glass
ionomer
What material is supplied as a paste/paste system and also in cartridges? - Answers -
polyether
What does the term elastomeric mean? - Answers -having elastic or rubber-like qualities
An alginate absorbing excess water is termed what? - Answers -imbibition
What is a final impression used for? - Answers -an accurate reproduction of teeth and
surrounding tissue
What is the negative reproduction of dental arches and surrounding tissues? - Answers
-impression
At what point in a procedure is a mylar matrix placed? - Answers -before etching
The retainer (toffelmire) is positioned from what surface? - Answers -buccal
Where is the wedge inserted to position the matrix band firmly against the gingival
margin? - Answers -lingual embrasure
What instruments are used to contour a matrix band? - Answers -burnisher or mirror
handle
A matrix band is made of what? - Answers -thin flexible steel
What stabilizes the tofflemire matrix band? - Answers -wooden wedge
What type of stain can chlorhexidine cause? - Answers -extrinsic
, Most common type of temporary coverage for crown and bridge? - Answers -custom
provisional
Why only intermittent pressure of a tooth when polishing? - Answers -heat dissipates
between strokes
Course, extra course, medium, fine and extrafine are different _____ of polishing paste?
- Answers -grit
Removal of calculus, debris, stain, and plaque from teeth - Answers -oral prophylaxis
Where on the tooth do you begin to use prophy cup? - Answers -gingival third
What is the different between catalyst and a base? - Answers -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? - Answers -yes, because
its tooth colored
What is a class I cavity - Answers -decay in pits and fissures of occlusal surface
What is a class II cavity - Answers -decay on proximal (mesial or distal) surfaces of
premolars and molars
What is a class III cavity? - Answers -decay in proximal surfaces (Mesial or distal) of
incisors and canines
What is a class IV cavity? - Answers -decay in proximal surfaces (mesial or distal) of
incisors and canines and involves the incisal edge or angle of tooth
What is a class V cavity? - Answers -decay on the gingival third of facial or lingual
surface of any tooth
What is a class VI cavity? - Answers -decay on incisal edges of anterior teeth and the
cusp tips of posterior teeth caused by abrasion, wear, or defects
Stensen's duct - Answers -back cheek by first molar
Pterygomandibular raphe - Answers -Fold of tissue that extends from the junction of the
hard and soft palates down to the mandible
Gingival embrasure - Answers -triangular space of gums between the teeth
Incisal embrasure - Answers -triangular space between incisal edge of teeth
What agent is used in topical anesthetic? - Answers -Benzocaine
How long should topical anesthetic be placed for more profound soft tissue analgesia? -
Answers -60 to 90 seconds
Dry angles are an effective way to control saliva secretions from - Answers -stensen's
duct
What type of ZOE lacks strength and long-term durability? - Answers -type I (temporary
cement)
This type of cement is a hybrid of silicate and polycarboxilate cement - Answers -glass
ionomer
What material is supplied as a paste/paste system and also in cartridges? - Answers -
polyether
What does the term elastomeric mean? - Answers -having elastic or rubber-like qualities
An alginate absorbing excess water is termed what? - Answers -imbibition
What is a final impression used for? - Answers -an accurate reproduction of teeth and
surrounding tissue
What is the negative reproduction of dental arches and surrounding tissues? - Answers
-impression
At what point in a procedure is a mylar matrix placed? - Answers -before etching
The retainer (toffelmire) is positioned from what surface? - Answers -buccal
Where is the wedge inserted to position the matrix band firmly against the gingival
margin? - Answers -lingual embrasure
What instruments are used to contour a matrix band? - Answers -burnisher or mirror
handle
A matrix band is made of what? - Answers -thin flexible steel
What stabilizes the tofflemire matrix band? - Answers -wooden wedge
What type of stain can chlorhexidine cause? - Answers -extrinsic
, Most common type of temporary coverage for crown and bridge? - Answers -custom
provisional
Why only intermittent pressure of a tooth when polishing? - Answers -heat dissipates
between strokes
Course, extra course, medium, fine and extrafine are different _____ of polishing paste?
- Answers -grit
Removal of calculus, debris, stain, and plaque from teeth - Answers -oral prophylaxis
Where on the tooth do you begin to use prophy cup? - Answers -gingival third
What is the different between catalyst and a base? - Answers -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? - Answers -yes, because
its tooth colored
What is a class I cavity - Answers -decay in pits and fissures of occlusal surface
What is a class II cavity - Answers -decay on proximal (mesial or distal) surfaces of
premolars and molars
What is a class III cavity? - Answers -decay in proximal surfaces (Mesial or distal) of
incisors and canines
What is a class IV cavity? - Answers -decay in proximal surfaces (mesial or distal) of
incisors and canines and involves the incisal edge or angle of tooth
What is a class V cavity? - Answers -decay on the gingival third of facial or lingual
surface of any tooth
What is a class VI cavity? - Answers -decay on incisal edges of anterior teeth and the
cusp tips of posterior teeth caused by abrasion, wear, or defects
Stensen's duct - Answers -back cheek by first molar
Pterygomandibular raphe - Answers -Fold of tissue that extends from the junction of the
hard and soft palates down to the mandible
Gingival embrasure - Answers -triangular space of gums between the teeth
Incisal embrasure - Answers -triangular space between incisal edge of teeth
