EFDA Board Exam Questions and
Answers 100% Pass
What agent is used in topical anesthetic? - ✔✔Benzocaine
How long should topical anesthetic be placed for more profound soft tissue analgesia? -
✔✔60 to 90 seconds
Dry angles are an effective way to control saliva secretions from - ✔✔stensen's duct
what type of ZOE lacks strength and long-term durability? - ✔✔type I (temporary
cement)
This type of cement is a hybrid of silicate and polycarboxilate cement - ✔✔glass
ionomer
what material is supplied as a paste/paste system and also in cartridges? - ✔✔polyether
What does the term elastomeric mean? - ✔✔having elastic or rubber-like qualities
an alginate absorbing excess water is termed what? - ✔✔imbibition
what is a final impression used for? - ✔✔an accurate reproduction of teeth and
surrounding tissue
what is the negative reproduction of dental arches and surrounding tissues? -
✔✔impression
at what point in a procedure is a mylar matrix placed? - ✔✔before etching
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 1
,the retainer (toffelmire) is positioned from what surface? - ✔✔buccal
Where is the wedge inserted to position the matrix band firmly against the gingival
margin? - ✔✔lingual embrasure
what instruments are used to contour a matrix band? - ✔✔burnisher or mirror handle
a matrix band is made of what? - ✔✔thin flexible steel
what stabilizes the tofflemire matrix band? - ✔✔wooden wedge
what type of stain can chlorhexidine cause? - ✔✔extrinsic
most common type of temporary coverage for crown and bridge? - ✔✔custom
provisional
why only intermittent pressure of a tooth when polishing? - ✔✔heat dissipates between
strokes
Course, extra course, medium, fine and extrafine are different _____ of polishing paste?
- ✔✔grit
removal of calculus, debris, stain, and plaque from teeth - ✔✔oral prophylaxis
where on the tooth do you begin to use prophy cup? - ✔✔gingival third
what is the different between catalyst and a base? - ✔✔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? - ✔✔yes, because its tooth
colored
What is a class I cavity - ✔✔decay in pits and fissures of occlusal surface
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 2
, What is a class II cavity - ✔✔decay on proximal (mesial or distal) surfaces of premolars
and molars
What is a class III cavity? - ✔✔decay in proximal surfaces (Mesial or distal) of incisors
and canines
What is a class IV cavity? - ✔✔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? - ✔✔decay on the gingival third of facial or lingual surface of
any tooth
what is a class VI cavity? - ✔✔decay on incisal edges of anterior teeth and the cusp tips
of posterior teeth caused by abrasion, wear, or defects
Stensen's duct - ✔✔back cheek by first molar
pterygomandibular raphe - ✔✔Fold of tissue that extends from the junction of the hard
and soft palates down to the mandible
gingival embrasure - ✔✔triangular space of gums between the teeth
incisal embrasure - ✔✔triangular space between incisal edge of teeth
furcation - ✔✔The space between two roots where they meet the crown
Frenum - ✔✔Band of tissue that passes from the facial oral mucosa at the midline of the
arch to the midline of the inner surface of the lip
oropharynx - ✔✔central portion of the pharynx between the roof of the mouth and the
upper edge of the epiglottis
uvula - ✔✔soft tissue hanging from the middle of the soft palate
dorsal - ✔✔top of tongue
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 3
Answers 100% Pass
What agent is used in topical anesthetic? - ✔✔Benzocaine
How long should topical anesthetic be placed for more profound soft tissue analgesia? -
✔✔60 to 90 seconds
Dry angles are an effective way to control saliva secretions from - ✔✔stensen's duct
what type of ZOE lacks strength and long-term durability? - ✔✔type I (temporary
cement)
This type of cement is a hybrid of silicate and polycarboxilate cement - ✔✔glass
ionomer
what material is supplied as a paste/paste system and also in cartridges? - ✔✔polyether
What does the term elastomeric mean? - ✔✔having elastic or rubber-like qualities
an alginate absorbing excess water is termed what? - ✔✔imbibition
what is a final impression used for? - ✔✔an accurate reproduction of teeth and
surrounding tissue
what is the negative reproduction of dental arches and surrounding tissues? -
✔✔impression
at what point in a procedure is a mylar matrix placed? - ✔✔before etching
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 1
,the retainer (toffelmire) is positioned from what surface? - ✔✔buccal
Where is the wedge inserted to position the matrix band firmly against the gingival
margin? - ✔✔lingual embrasure
what instruments are used to contour a matrix band? - ✔✔burnisher or mirror handle
a matrix band is made of what? - ✔✔thin flexible steel
what stabilizes the tofflemire matrix band? - ✔✔wooden wedge
what type of stain can chlorhexidine cause? - ✔✔extrinsic
most common type of temporary coverage for crown and bridge? - ✔✔custom
provisional
why only intermittent pressure of a tooth when polishing? - ✔✔heat dissipates between
strokes
Course, extra course, medium, fine and extrafine are different _____ of polishing paste?
- ✔✔grit
removal of calculus, debris, stain, and plaque from teeth - ✔✔oral prophylaxis
where on the tooth do you begin to use prophy cup? - ✔✔gingival third
what is the different between catalyst and a base? - ✔✔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? - ✔✔yes, because its tooth
colored
What is a class I cavity - ✔✔decay in pits and fissures of occlusal surface
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 2
, What is a class II cavity - ✔✔decay on proximal (mesial or distal) surfaces of premolars
and molars
What is a class III cavity? - ✔✔decay in proximal surfaces (Mesial or distal) of incisors
and canines
What is a class IV cavity? - ✔✔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? - ✔✔decay on the gingival third of facial or lingual surface of
any tooth
what is a class VI cavity? - ✔✔decay on incisal edges of anterior teeth and the cusp tips
of posterior teeth caused by abrasion, wear, or defects
Stensen's duct - ✔✔back cheek by first molar
pterygomandibular raphe - ✔✔Fold of tissue that extends from the junction of the hard
and soft palates down to the mandible
gingival embrasure - ✔✔triangular space of gums between the teeth
incisal embrasure - ✔✔triangular space between incisal edge of teeth
furcation - ✔✔The space between two roots where they meet the crown
Frenum - ✔✔Band of tissue that passes from the facial oral mucosa at the midline of the
arch to the midline of the inner surface of the lip
oropharynx - ✔✔central portion of the pharynx between the roof of the mouth and the
upper edge of the epiglottis
uvula - ✔✔soft tissue hanging from the middle of the soft palate
dorsal - ✔✔top of tongue
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 3
