EFDA Board Exam Questions And Answers Updated 2024/2025
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Course
EFDA
Institution
EFDA
EFDA Board Exam Questions And Answers
Updated 2024/2025
What agent is used in topical anesthetic? - answerBenzocaine
How long should topical anesthetic be placed for more profound soft tissue analgesia? -
answer60 to 90 seconds
Dry angles are an effective way to control saliva secretions from ...
EFDA Board Exam Questions And Answers
Updated 2024/2025
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
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
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
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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
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
What is a class III cavity? - answer✔decay in proximal surfaces (Mesial or distal) of incisors and
canines
What is a class IV cavity? - answer✔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? - answer✔decay on the gingival third of facial or lingual surface of any
tooth
what is a class VI cavity? - answer✔decay on incisal edges of anterior teeth and the cusp tips of
posterior teeth caused by abrasion, wear, or defects
Stensen's duct - answer✔back cheek by first molar
pterygomandibular raphe - answer✔Fold of tissue that extends from the junction of the hard
and soft palates down to the mandible
gingival embrasure - answer✔triangular space of gums between the teeth
incisal embrasure - answer✔triangular space between incisal edge of teeth
furcation - answer✔The space between two roots where they meet the crown
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