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EFDA Oregon study Questions and Answers 2024/2025 $11.49   Add to cart

Exam (elaborations)

EFDA Oregon study Questions and Answers 2024/2025

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Etchant ?  Critical for enamel and dentin in the cavity prep for good chemical bond. Glass Ionomer used as a base?  Good adhesion to enamel and dentin, release fluoride and has bonding strengths. Zinc-oxide-eugenol type 1used as a base?  Sedative, insulating helps with irrated pulp. C...

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  • October 10, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • EFDA
  • EFDA
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2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!


EFDA Oregon study Questions and
Answers 2024/2025
Etchant ?

 Critical for enamel and dentin in the cavity prep for good chemical bond.


Glass Ionomer used as a base?

 Good adhesion to enamel and dentin, release fluoride and has bonding strengths.


Zinc-oxide-eugenol type 1used as a base?

 Sedative, insulating helps with irrated pulp. CANT USE UNDER GLASS IONOMER AND
COMPOSTIE.


Zinc phosphate type 2 used as a base?

 Good base for it thermal insulation qualities and can be used under polycarboxylate,
ionomer and it can irrate the pulp.


Trituration

 Means mixing dental alloy with mercury.


Amalgamation

 Actual chemical reaction that occurs between the alloy and mercury.


Alloy

 Combination between alloy and mercury.


Polycarboxylate used as a base?


1|Page| GradeA+ | 2 0 0 2 5

, 2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!

 Has elastic properties and contains fluoride and can be put under any restoration.
Also proactive and insulating.


IRM used as a base?

 last for 6-12 months and is temp. Also has a sedative base.


Sedative base ?

 Help with soothing the pulp for decay that is irrating the pulp.


Insulating base?

 Placed in deep cavity preps to protect the tooth from thermal shock.


Protective base?


 Placed before the restoration is place to protect the pulp.


Primer?

 Can also be know as desensitizer. Placed under restorative material.


Fluoride varnish?

 Release fluoride on enamel, root structure and the dentin surfaces.


Varnish?


 Organic solvent, seals dentin tubules and reduces microleakage.


Micro- mechanical?




1|Page| GradeA+ | 2 0 0 2 5

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