EFDA OREGON STUDY UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
◉ Glass Ionomer used as a base?
Answer: Good adhesion to enamel and dentin, release fluoride and
has bonding strengths.
◉ Zinc-oxide-eugenol type 1used as a base?
Answer: Sedative, insulating helps with irrated pulp. CANT USE
UNDER GLASS IONOMER AND COMPOSTIE.
◉ Zinc phosphate type 2 used as a base?
Answer: Good base for it thermal insulation qualities and can be
used under polycarboxylate, ionomer and it can irrate the pulp.
◉ Trituration
Answer: Means mixing dental alloy with mercury.
◉ Amalgamation
Answer: Actual chemical reaction that occurs between the alloy and
mercury.
,◉ Alloy
Answer: Combination between alloy and mercury.
◉ Polycarboxylate used as a base?
Answer: Has elastic properties and contains fluoride and can be put
under any restoration. Also proactive and insulating.
◉ IRM used as a base?
Answer: last for 6-12 months and is temp. Also has a sedative base.
◉ Sedative base ?
Answer: Help with soothing the pulp for decay that is irrating the
pulp.
◉ Insulating base?
Answer: Placed in deep cavity preps to protect the tooth from
thermal shock.
◉ Protective base?
Answer: Placed before the restoration is place to protect the pulp.
◉ Primer?
, Answer: Can also be know as desensitizer. Placed under restorative
material.
◉ Fluoride varnish?
Answer: Release fluoride on enamel, root structure and the dentin
surfaces.
◉ Varnish?
Answer: Organic solvent, seals dentin tubules and reduces
microleakage.
◉ Micro- mechanical?
Answer: Retention between the tooth structure and the restoration.
◉ Three things dental bases can do for the tooth?
Answer: 1. protective base
2. insulating base
3. sedative base
◉ Calcium Hydroxide?
Answer: Used as a base/ liner, promotes secondary dentin.
QUESTIONS AND CORRECT ANSWERS
◉ Glass Ionomer used as a base?
Answer: Good adhesion to enamel and dentin, release fluoride and
has bonding strengths.
◉ Zinc-oxide-eugenol type 1used as a base?
Answer: Sedative, insulating helps with irrated pulp. CANT USE
UNDER GLASS IONOMER AND COMPOSTIE.
◉ Zinc phosphate type 2 used as a base?
Answer: Good base for it thermal insulation qualities and can be
used under polycarboxylate, ionomer and it can irrate the pulp.
◉ Trituration
Answer: Means mixing dental alloy with mercury.
◉ Amalgamation
Answer: Actual chemical reaction that occurs between the alloy and
mercury.
,◉ Alloy
Answer: Combination between alloy and mercury.
◉ Polycarboxylate used as a base?
Answer: Has elastic properties and contains fluoride and can be put
under any restoration. Also proactive and insulating.
◉ IRM used as a base?
Answer: last for 6-12 months and is temp. Also has a sedative base.
◉ Sedative base ?
Answer: Help with soothing the pulp for decay that is irrating the
pulp.
◉ Insulating base?
Answer: Placed in deep cavity preps to protect the tooth from
thermal shock.
◉ Protective base?
Answer: Placed before the restoration is place to protect the pulp.
◉ Primer?
, Answer: Can also be know as desensitizer. Placed under restorative
material.
◉ Fluoride varnish?
Answer: Release fluoride on enamel, root structure and the dentin
surfaces.
◉ Varnish?
Answer: Organic solvent, seals dentin tubules and reduces
microleakage.
◉ Micro- mechanical?
Answer: Retention between the tooth structure and the restoration.
◉ Three things dental bases can do for the tooth?
Answer: 1. protective base
2. insulating base
3. sedative base
◉ Calcium Hydroxide?
Answer: Used as a base/ liner, promotes secondary dentin.
