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Exam (elaborations)

EFDA Board Exam Questions and Answers (100% Pass)

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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 durab...

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  • October 12, 2024
  • 39
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • EFDA Board
  • EFDA Board
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ExamArsenal
1 | P a g e | © copyright 2024/2025 | Grade A+




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?




Master01 | October, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+

✓ 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




the retainer (toffelmire) is positioned from what surface?


✓ buccal




Master01 | October, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+

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?



Master01 | October, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+

✓ 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



Master01 | October, 2024/2025 | Latest update

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