NDAEB UPDATED COMPREHENSIVE EXAM
QUESTIONS AND ANSWERS SURE A+
✔✔When ready for use, properly mixed polycarboxylate cement should appear: -
✔✔Glossy
✔✔A restoration of IRM can last up to: - ✔✔Several months
✔✔A(n) ______ base is placed to soothe the pulp that has been irritated by decay,
injury, or the trauma of the cavity preparation. - ✔✔Sedative
✔✔Type ____ zinc phosphate cement is designed for the accurate seating of precision
castings. - ✔✔1
✔✔To provide a better adhesion of material to tooth structure, the dentist may select
______ for the tooth preparation. - ✔✔a conditioner/etchant
✔✔The calcium hydroxide cavity liner is mixed with a(n): - ✔✔- ball-shaped applicator
- spatula
✔✔After mixing permanent cement, the spatial and glass slab should be: - ✔✔cleaned
immediately with a wet gauze sponge and disinfected
,✔✔When you are preparing a crown for temporary cementation, you should: -
✔✔completely fill the crown with cement
✔✔Zinc Phosphate cement is used: - ✔✔as a luting agent for permanent restorations
✔✔Cavity varnish is placed ____ the liner or insulating base - ✔✔Over
✔✔Glass ionomer capsules are mixed: - ✔✔by mechanical trituration
✔✔When mixing zinc phosphate cement, a cool, dry slab will _______ the setting time.
- ✔✔Decrease
✔✔__________ cement bonds directly with enamel, dentin, and metallic materials. -
✔✔Glass Ionomer
✔✔Exothermic means to _________ heat. - ✔✔Give off
✔✔________ may be used under all types of restorative materials. - ✔✔Calcium
Hydroxide
✔✔The ability of a liquid to flow is described in terms of its: - ✔✔Viscosity
✔✔In areas where strength is the primary concern, a ________ composite would be
selected. - ✔✔Macrofilled
✔✔When two metals touch in the mouth, a small shock is created. This is known as: -
✔✔Galvanic action
✔✔Before dentin bonding, the smear layer must be: - ✔✔Removed
✔✔Bonding system materials: - ✔✔must be used according to manufacturer's
instructions
✔✔Crushing pressure that pushes a material together is applied by: - ✔✔Compressive
Stress
✔✔The centric relationship of the upper and lower arches is obtained in the ________
registration. - ✔✔Bite & Occlusal
✔✔A smooth impression tray is prepared with a(n) __________ before placing the final
impression material within the tray. - ✔✔Adhesive
, ✔✔In the taking of final impressions, wash is a term used to describe the: - ✔✔Syringe
material
✔✔To avoid air bubbles in a final impression, the light body material is: - ✔✔Extruded,
keeping the tip in the material
✔✔When kneading silicone putty for an impression, it is necessary to wear _______
gloves. - ✔✔Vinyl
✔✔Polysiloxane is a type of _________ silicone impression material. -
✔✔Condensation
✔✔The vacuum former is used to create a: - ✔✔- custom tray
- mouth guard
- night guard vital bleaching tray
✔✔In the ______ bite registration technique, the patient is instructed to close their teeth
together before the impression material is placed. - ✔✔Closed
✔✔Gloves must be worn when handling: - ✔✔- preliminary impressions
- final impressions
- laboratory cases
✔✔In a two-step impression technique, before seating the heavy body impression
material: - ✔✔the syringe material is placed around the tooth
✔✔An impression tray with a smooth surface must be ______ before use. - ✔✔painted
with an adhesive substance
✔✔The final cure of an elastomeric impression material can occur: - ✔✔within 1-24
hours
✔✔When an extruder gun is used, the impression material is mixed: - ✔✔as it moves
through the mixing tip
✔✔The tubes of catalyst and base are interchangeable if they are: - ✔✔the same brand
of impression material
✔✔Impression material that has set on the spatula can be easily removed by: -
✔✔peeling it off
✔✔Impression materials that dislike moisture are said to be: - ✔✔Hydrophobic
QUESTIONS AND ANSWERS SURE A+
✔✔When ready for use, properly mixed polycarboxylate cement should appear: -
✔✔Glossy
✔✔A restoration of IRM can last up to: - ✔✔Several months
✔✔A(n) ______ base is placed to soothe the pulp that has been irritated by decay,
injury, or the trauma of the cavity preparation. - ✔✔Sedative
✔✔Type ____ zinc phosphate cement is designed for the accurate seating of precision
castings. - ✔✔1
✔✔To provide a better adhesion of material to tooth structure, the dentist may select
______ for the tooth preparation. - ✔✔a conditioner/etchant
✔✔The calcium hydroxide cavity liner is mixed with a(n): - ✔✔- ball-shaped applicator
- spatula
✔✔After mixing permanent cement, the spatial and glass slab should be: - ✔✔cleaned
immediately with a wet gauze sponge and disinfected
,✔✔When you are preparing a crown for temporary cementation, you should: -
✔✔completely fill the crown with cement
✔✔Zinc Phosphate cement is used: - ✔✔as a luting agent for permanent restorations
✔✔Cavity varnish is placed ____ the liner or insulating base - ✔✔Over
✔✔Glass ionomer capsules are mixed: - ✔✔by mechanical trituration
✔✔When mixing zinc phosphate cement, a cool, dry slab will _______ the setting time.
- ✔✔Decrease
✔✔__________ cement bonds directly with enamel, dentin, and metallic materials. -
✔✔Glass Ionomer
✔✔Exothermic means to _________ heat. - ✔✔Give off
✔✔________ may be used under all types of restorative materials. - ✔✔Calcium
Hydroxide
✔✔The ability of a liquid to flow is described in terms of its: - ✔✔Viscosity
✔✔In areas where strength is the primary concern, a ________ composite would be
selected. - ✔✔Macrofilled
✔✔When two metals touch in the mouth, a small shock is created. This is known as: -
✔✔Galvanic action
✔✔Before dentin bonding, the smear layer must be: - ✔✔Removed
✔✔Bonding system materials: - ✔✔must be used according to manufacturer's
instructions
✔✔Crushing pressure that pushes a material together is applied by: - ✔✔Compressive
Stress
✔✔The centric relationship of the upper and lower arches is obtained in the ________
registration. - ✔✔Bite & Occlusal
✔✔A smooth impression tray is prepared with a(n) __________ before placing the final
impression material within the tray. - ✔✔Adhesive
, ✔✔In the taking of final impressions, wash is a term used to describe the: - ✔✔Syringe
material
✔✔To avoid air bubbles in a final impression, the light body material is: - ✔✔Extruded,
keeping the tip in the material
✔✔When kneading silicone putty for an impression, it is necessary to wear _______
gloves. - ✔✔Vinyl
✔✔Polysiloxane is a type of _________ silicone impression material. -
✔✔Condensation
✔✔The vacuum former is used to create a: - ✔✔- custom tray
- mouth guard
- night guard vital bleaching tray
✔✔In the ______ bite registration technique, the patient is instructed to close their teeth
together before the impression material is placed. - ✔✔Closed
✔✔Gloves must be worn when handling: - ✔✔- preliminary impressions
- final impressions
- laboratory cases
✔✔In a two-step impression technique, before seating the heavy body impression
material: - ✔✔the syringe material is placed around the tooth
✔✔An impression tray with a smooth surface must be ______ before use. - ✔✔painted
with an adhesive substance
✔✔The final cure of an elastomeric impression material can occur: - ✔✔within 1-24
hours
✔✔When an extruder gun is used, the impression material is mixed: - ✔✔as it moves
through the mixing tip
✔✔The tubes of catalyst and base are interchangeable if they are: - ✔✔the same brand
of impression material
✔✔Impression material that has set on the spatula can be easily removed by: -
✔✔peeling it off
✔✔Impression materials that dislike moisture are said to be: - ✔✔Hydrophobic
