EFDA OREGON STUDY EXAM QUESTIONS
WITH ANSWERS
Etchant? - ANSWER Enamel and dentin preparation is critical for achieving a
strong chemical connection.
Is glass ionomer used as a base? - ANSWER Good adherence to enamel and
dentin, releases fluoride, and possesses bonding properties.
Zinc-oxide-eugenol type 1 is employed as a base. - ANSWER Irrated pulp
benefits from sedative and insulating properties. CANNOT BE USED UNDER
GLASS IONOMER OR COMPOSTIE.
Can zinc phosphate type 2 be used as a base? - ANSWER It is a good base for
thermal insulation and can be utilized with polycarboxylate, ionomer, and pulp.
Trituration - Answer Means combining dental alloy and mercury.
Amalgamation - ANSWER The actual chemical reaction between the alloy and
mercury.
Alloy - Answer Combination of alloy and mercury.
Can polycarboxylate be used as a base? - ANSWER Has elastic qualities,
contains fluoride, and can be used for any restoration. Also, proactive and
insulating.
Was IRM used as a base? - ANSWER: Lasts 6-12 months and is temporary. It
also contains a sedative base.
, Sedative base? - ANSWER Help to soothe the pulp for decay that is irritating it.
An insulating base? - ANSWER Placed in deep cavity preparations to shield the
tooth from thermal shock.
Protective base? - ANSWER Placed before the restoration to protect the pulp.
Primer? - ANSWER Can also be known as a desensitizer. Placed under the
restorative material.
Fluorine varnish? - ANSWER Release fluoride onto enamel, root structure, and
dentin surfaces.
Varnish? -- ANSWER Organic solvent plugs dentin tubules and minimizes
microleakage.
Is micro-mechanical? - ANSWER Retention of the tooth structure and
restoration.
What are the three things that dental bases can accomplish for teeth? -
ANSWER 1. Protective Base
2. insulating base.
3. Sedative base.
Calcium Hydroxide? - Answer Use as a base/liner to induce secondary dentin.
WITH ANSWERS
Etchant? - ANSWER Enamel and dentin preparation is critical for achieving a
strong chemical connection.
Is glass ionomer used as a base? - ANSWER Good adherence to enamel and
dentin, releases fluoride, and possesses bonding properties.
Zinc-oxide-eugenol type 1 is employed as a base. - ANSWER Irrated pulp
benefits from sedative and insulating properties. CANNOT BE USED UNDER
GLASS IONOMER OR COMPOSTIE.
Can zinc phosphate type 2 be used as a base? - ANSWER It is a good base for
thermal insulation and can be utilized with polycarboxylate, ionomer, and pulp.
Trituration - Answer Means combining dental alloy and mercury.
Amalgamation - ANSWER The actual chemical reaction between the alloy and
mercury.
Alloy - Answer Combination of alloy and mercury.
Can polycarboxylate be used as a base? - ANSWER Has elastic qualities,
contains fluoride, and can be used for any restoration. Also, proactive and
insulating.
Was IRM used as a base? - ANSWER: Lasts 6-12 months and is temporary. It
also contains a sedative base.
, Sedative base? - ANSWER Help to soothe the pulp for decay that is irritating it.
An insulating base? - ANSWER Placed in deep cavity preparations to shield the
tooth from thermal shock.
Protective base? - ANSWER Placed before the restoration to protect the pulp.
Primer? - ANSWER Can also be known as a desensitizer. Placed under the
restorative material.
Fluorine varnish? - ANSWER Release fluoride onto enamel, root structure, and
dentin surfaces.
Varnish? -- ANSWER Organic solvent plugs dentin tubules and minimizes
microleakage.
Is micro-mechanical? - ANSWER Retention of the tooth structure and
restoration.
What are the three things that dental bases can accomplish for teeth? -
ANSWER 1. Protective Base
2. insulating base.
3. Sedative base.
Calcium Hydroxide? - Answer Use as a base/liner to induce secondary dentin.
