DA107 Final

Which type of baseplate wax is softer and used for denture construction?

Which type of dental wax is used to construct occlusal rims and set denture teeth in the wax-up?

Which type of wax is preformed with a thin sheet of aluminum foil between the layers?

The type of ceramic most often used in dentistry for casting is:

Which statement is incorrect regarding safety precautions in the laboratory?

When would a light gauge, vacuum-formed resin material be used?

Etching for dental bonding is done with:

Laboratory burs have a ___ shank and a ___ head than dental burs.

Which item listed would not use luting cement for placement?

Which instructions would be given to a patient obtaining a bite registration?

The prophylaxis angle attaches to the ___ handpiece and is used to polish the teeth.

Which of the following is used to prevent a custom impression tray from sitting too deeply when taking the impression?

How should cement be placed into an indirect restoration for delivery?

How is an alginate impression disinfected?

When constructing ___ with a vacuum former, use a heavier-gauge, flexible plastic that does require a strap.

Dental bonding is also referred to as:

In minutes, how long should on wait before removing a model from an impression pouring?

What is one advantage of having laboratory equipment and trained personnel in the office?

Which of the following is an advantage to suing glass ionomer as a restorative material?

The low-speed handpiece operates at ____ rotations per minute (rpm).

An impression tray should be sufficiently deep to allow ____ mm of material between the tray and the edge of teeth.

Failure to place a protective base under a restoration can result in:

The device that holds maxillary and mandibular models in an occlusal relationship?

What are the three curing stages of impression materials?

Which factor(s) influence the cementation procedure?

When cleaning a dental handpiece, it is important to

Dental restorative materials that are applied, while pliable, to a tooth or teeth and can be adapted are?

Ideally, composite resin shades should be chosen in:

What can be done to alleviate the gag reflex when taking alginate impressions?

The first step in making a custom tray is to:

The most frequently used device in restorative dentistry is the:

Before constructing a light-cured tray, what would be painted on the model?

Hot, cold or electrical energy created by other metals coming into contact with the tooth are:

Glass ionomer can be used for class ___ restoration.

Which factor should be examined when evaluating the quality of an impression?

One difference in the cavity preparation of amalgam versus composite is that:

Which type of resin is formed into a diagnostic model using heat and a vacuum former?

Why would a dentist request preliminary impressions?

Which form of gypsum products is used for the creation of dies?

A trimmed maxillary model will be ____ at the anterior portion, and the mandibular model will be ___ at the anterior.

What position should the EFDA use while taking mandibular and maxillary impressions?

Etchant removes the ____ layer in preparation for bonding.

The high-speed handpiece uses ____ burs.

The ____ handpiece operates from air pressure and reaches speeds up to 450,000 rpm.

When are temporary cements used?

Which of the following gypsum products has the highest powder-to-water ratio?

During the pouring procedure, where should the gypsum material be placed to flow to all areas of the impression?

Materials that are versatile in their uses, such as for specialized dental bases, include:

The term restorative describes the ability to:

What should be done to an impression before pouring?

Which irreversible hydrocolloid material is used most widely for preliminary impressions?

What could occur if excess cement is left at the cavosurface of a crown?

How should dental cements be dispensed for mixing?

A dental liner is placed:

Which type of impression tray covers only half of a dental arch?

Which cement inhibits recurrent decay?

Calcium hydroxide:

Which type of dental cement is used as an adhesive for permanent indirect restorations?

A model consists of the ___ portion, which represents the teeth and tissues, and the ___ portion, with forms the base.

Which of the following is an acceptable method for altering the setting time of alginate impression material

Which item is used to polish or trim custom trays, provisional coverage, dentures, and indirect restorations?

The term applies to all rotary instruments that have a sharp cutting head is:

A liquid with high viscosity ____ flow easily and ____ effective in wetting a surface.

Which of the following is not use of fluoride varnish?

A dental handpiece is identified as a ____ instrument that ___ be sterilized before resue.

The most commonly used finishing burs are:

Legally, who can take final impressions?

Which of the following statements correctly describes the pouring methods used to create the base portion of the model?

Light-cured resin can be used to make trays for which type impressions?

Water should be running through a model trimmer:

How should light-cured resin tray material be cured?

What does the term syneresis mean as it relates to alginate impression?

Which type of impression is taken to produce a reproduction of the occlusal relationship of the maxilla and mandible

Which type of bur is used to remove decay during tooth preparation?

The ultrasonic handpiece is used for:

The silver filling material used for more than 150 years to restore primary and permanent teeth is called:

Desensitizers used to help prevent hypersensitivity should be used:

A dental liner is placed:

When constructing custom trays it is best to remove excess material with a lab knife after it has cured.

Which type of cement is preferred for cementation of ceramic veneers?

Properly mixed glass ionomer cement should have a glossy appearance.

What are the three classification of impression used in dentistry?

Which technique listed would be incorrect when pouring an impression?

Which portion of the maxillary impression tray should be seated in the mouth first?

What causes air bubbles in a model?

Which of the following is not considered a classification of impression materials?

How should alginate material be loaded into a maxillary impression tray?

What term is used when an alginate impression takes up water either from soaking or wrapping in a wet paper towel?

How is the impression tray prepared for an elastomeric impression?

Alginate impressions must be poured within ___ so that distortion does not occur.

The type of shank fits into a contra-angle attachment for a low-speed handpiece is a:

Which impression material is used when an extremely accurate final impression is essential?

When a varnish is used, it is always used before other materials.

Which of the following would be the material of choice as an insulating base as well as sedative base?

What type of cement is frequently used to cement provisional crowns?

An example of enamel bonding is the placement of a:

How will gypsum material be affected if additional powder is added after mixing has begun?

The handpiece that has the greatest torque (twisting or turning) is the ____ handpiece.

Calcium hydroxide liner is a frequently used liner because it:

How can length or depth of the alginate impression tray borders be extended?