Exam (elaborations)
EFDA Board Exam | 132 Questions with 100% Correct Answers |Verified Latest Update
- Course
- Institution
PA EFDA board exam | Questions with 100% Correct Answers |Verified Latest Update
[Show more]
Content preview
EFDA Board Exam | 132 Questions with 100%Correct Answers |Verified Latest Update
1/2 mercury, 1/2 alloy powder - ✔✔Most amalgam contains what precent of mercury?
A. Under 30%
B. 30-40%
C. 50-55%
D. Over 71%
B. Dry and crumbly - ✔✔What will the amalgam look like if the capsule did not contain
enough mercury to mix with the powder alloy?
A. Wet and shiny
B. Dry and crumbly
C. Homogenous ball of metal
D. Grainy and wet
D. None of the above
No products have the same coefficient of thermal expansion - ✔✔Which of the following
materials has the same coefficient of thermal expansion as natural tooth structure?
A. Amalgam
B. Composite
C. Glass ionomer
D. None of the above
A. I - ✔✔What classification would be given to an amalgam restoration in the lingual pit of
#10?
,A. I
B. II
C. III
D. V
A. 2
Maxillary 1st and 2nd molars have an oblique ridge - ✔✔On which tooth would you need to
replicate an oblique ridge on when restoring an MOD?
A. 2
B. 13
C. 30
D. 29
A. Two triangular ridges, ML and DB - ✔✔Which two anatomical features create an oblique
ridge and which cusps are involved?
A. Two triangular ridges, ML and DB
B. Two transverse ridges, ML and DB
C. Two triangular ridges, MB and DL
D. Two transverse ridges, MB and DL
D. Dentin - ✔✔Which tooth structure is approximately 70% inorganic materials and contains
tubules?
A. Cementum
B. Pulp
C. Enamel
D. Dentin
,B. Pulp - ✔✔Which of the following is all organic?
A. Cementum
B. Pulp
C. Enamel
D. Dentin
C. The band extends 1.5 to 2.5mm gingival to the cavosurvace
too far - ✔✔Which of the following is not true regarding a properly assembled matrix
retainer and band for an amalgam restoration?
A. The narrower loop of the matrix band is gingival directed
B. The slot openings of the retainer open gingivally
C. The band extends 1.5 to 2.5mm gingival to the cavosurvace
D. The band extends 0.5 to 1.5mm occlusal to the occlusal plane
D. #212 "Butterfly" - ✔✔Which clamp could you choose to give you increased access to a
facial class V on #25?
A. #2
B. #112
C. #14
D. #212
A. an overextension or flash, correct with additional carving - ✔✔How would you describe
and correct a margin where the exploring point only bumps up as it passed from tooth to
restoration?
A. an overextension or flash, correct with additional carving
B. An open margin, redo the restoration
C. A submarginal area, correct with finish and polish
, D. Over extension or flash, it will correct during normal occlusal forces
B. Axiobuccal - ✔✔Which of the following is a line angle that would contain a retention
feature for you to condense into with a class II amalgam preparation?
A. Mesiobuccal
B. Axiobuccal
C. Mesiodistal
D. GIngivoaxial
C. Taking the final impression for an MCC (Metal ceramic crown) - ✔✔Which of the following
tasks can not be delegated to efda's in Ohio?
A. Place composite restorations.
B. Placing bases and liners
C. Taking the final impression for an MCC (Metal ceramic crown)
D. Finish and plash a large cusp build up amalgam
A. Central groove - ✔✔What anatomical structure on the occlusal surfaces of a mandibular
second molar connects the mesial, central and distal fossas?
A. Central groove
B. Buccal and lingual grooves
C. Triangular ridge
D. Transverse ridge
A. Between the 8 and 10 o'clock position - ✔✔If you are assisting a left handed dentist,
where do you sit?
A. Between the 8 and 10 o'clock position
B. At the 12 o'clock position
C. Between 2 and 4 o'clock
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Examsplug. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
76799 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now