Exam (elaborations)
EFDA WRITTEN MOCK BOARD EXAM WITH QUESTIONS AND 100% VERIFIED ANSWERS
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EFDA WRITTEN MOCK BOARD EXAM WITH QUESTIONS AND 100% VERIFIED ANSWERS...
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EFDA WRITTEN MOCK BOARD EXAMWITH QUESTIONS AND 100% VERIFIED
ANSWERS
Why is a thin layer of calcium hydroxide considered therapeutic when used in a
deep preparation? - ANSWER stimulates dentin thickening.
At what line angles are the retention grooves in a class II amalgam located? -
ANSWER Linguoaxial and Buccoaxial
What is dentin largely made of? - ANSWER Dentinal tubules have
protoplasmic extensions.
What is enamel made of? - ANSWER: 95 per cent biological matter
Which region of the tooth has thicker enamel? Incisal/occlusal
What is darker in colour, enamel or dentin? - ANSWER Dentin
ZOE put in a deep DO amalgam to replace axial and pulpal walls should have
what type of base shape? - ANSWER The angle between the rounded or
beveled axis and the palpal line
Which material is not compatible with composites? - ANSWER Zinc oxide
eugenol cement.
What is the form of restoration for tooth #7's lingual
pit? - Answer Class I
Where would you put a base? - ANSWER On dentin surfaces.
Which metal strengthens the amalgam while decreasing its expansion? -
ANSWER Copper
, What is the proper order of placement in a very deep prep for amalgam with
near-pupal exposure and loss of axial wall contour? - ANSWER Calcium
hydroxide, cavity varnish, zinc-phosphate cement
Which component causes the amalgam to expand less? - ANSWER High
copper content.
What is galvanization? - ANSWER When different metals touch within the
mouth, an electric current is produced, causing pain.
Which substance has polyacrylic acid in its liquid? - ANSWER Glass Ionomer
Cement
Why are bonding agents used before composites? - ANSWER To create a
connection with both the dentin and the composite
What happens if an explorer only catches when travelling from the tooth to the
restoration? - ANSWER Overextension/flash
What may an EFDA in Ohio legally do? - ANSWER Apply sealants, irrigate
and dry endodontic canals, and put surgical dressings.
What is not legal for an Ohio EFDA to do? - ANSWER Adjust the occlusion on
a stationary bridge.
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