EFDA Oregon study UPDATED ACTUAL Exam Questions and CORRECT Answers

EFDA Oregon study UPDATED ACTUAL
Exam Questions and CORRECT Answers
Etchant ? - CORRECT ANSWER - Critical for enamel and dentin in the cavity prep for
good chemical bond.


Glass Ionomer used as a base? - CORRECT ANSWER - Good adhesion to enamel and
dentin, release fluoride and has bonding strengths.


Zinc-oxide-eugenol type 1used as a base? - CORRECT ANSWER - Sedative, insulating
helps with irrated pulp. CANT USE UNDER GLASS IONOMER AND COMPOSTIE.


Zinc phosphate type 2 used as a base? - CORRECT ANSWER - Good base for it thermal
insulation qualities and can be used under polycarboxylate, ionomer and it can irrate the pulp.


Trituration - CORRECT ANSWER - Means mixing dental alloy with mercury.



Amalgamation - CORRECT ANSWER - Actual chemical reaction that occurs between the
alloy and mercury.


Alloy - CORRECT ANSWER - Combination between alloy and mercury.



Polycarboxylate used as a base? - CORRECT ANSWER - Has elastic properties and
contains fluoride and can be put under any restoration. Also proactive and insulating.


IRM used as a base? - CORRECT ANSWER - last for 6-12 months and is temp. Also has a
sedative base.


Sedative base ? - CORRECT ANSWER - Help with soothing the pulp for decay that is
irrating the pulp.

,Insulating base? - CORRECT ANSWER - Placed in deep cavity preps to protect the tooth
from thermal shock.


Protective base? - CORRECT ANSWER - Placed before the restoration is place to protect
the pulp.


Primer? - CORRECT ANSWER - Can also be know as desensitizer. Placed under
restorative material.


Fluoride varnish? - CORRECT ANSWER - Release fluoride on enamel, root structure and
the dentin surfaces.


Varnish? - CORRECT ANSWER - Organic solvent, seals dentin tubules and reduces
microleakage.


Micro- mechanical? - CORRECT ANSWER - Retention between the tooth structure and
the restoration.


Three things dental bases can do for the tooth? - CORRECT ANSWER - 1. protective base
2. insulating base
3. sedative base


Calcium Hydroxide? - CORRECT ANSWER - Used as a base/ liner, promotes secondary
dentin.


Smear layer? - CORRECT ANSWER - Very thin layer of debris on newly prepared dentin.



Crown matrix former? - CORRECT ANSWER - Plastic form that is shaped as a crown.
You put prepared cement in the crown former.

, Provisional? - CORRECT ANSWER - temporary cement until the permant restoration is
ready to be cemented.


Permant Polycarboxylate? - CORRECT ANSWER - Cement stainless steel crowns, and
ortho bands.


ZOE TYPE 2 (perm) - CORRECT ANSWER - Type one isn't strong enough. Type two is
strong enough to use for perm cementation.


Zinc phosphate type 1 (perm) - CORRECT ANSWER - Used to cement crowns, bridges,
onlay, inlays. type two is used as a base.


Glass ionomer type 1? - CORRECT ANSWER - Contains fluoride , thin film thickness
and is used to cement crowns.


Glass ionomer type 2? - CORRECT ANSWER - Used for class 5 decay, pedo and releases
fluoride.


Glass ionomer type 3? - CORRECT ANSWER - Used as a base/ liner and contains
fluoride.


Glass ionomer type 4? - CORRECT ANSWER - Used for pits and fissures.



Glass ionomer type 6? - CORRECT ANSWER - Used for a core buildup.



Resin temp cement for temp crowns? - CORRECT ANSWER - Presents high strength,
excellent retention and also easy to clean up.