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Chapter 40 Dental Study Guide

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.

An 'X' symbol in a patient's chart indicates an open contact.

a)

True

b)

False

2.

The teeth on either side of the missing tooth are the

a)

clasps

b)

dies

c)

abutments

d)

pontics

3.

How are fixed prosthodontic restorations held in place?

a)

Permanent cementation

b)

Mechanical retention

c)

Temporary cementation

d)

Permanent implantation into the gingiva

4.

The part of a bridge that replaces the missing tooth is the

a)

abutment

b)

clasp

c)

pontic

d)

die

5.

Which restoration requires only that the lingual of the abutment teeth be prepared?

a)

PFM bridge

b)

Veneer

c)

Maryland bridge

d)

Cantilever bridge

6.

What is the benefit of using a triple tray to take the final impression during the first treatment appointment?

a)

It generates a digital image that allows greater accuracy when preparing the fixed prosthesis.

b)

When the impression material sets, it can easily be trimmed and used as the provisional prosthesis.

c)

It automatically cleans the tooth in preparation for the provisional prosthesis.

d)

It captures the maxillary and mandibular quadrant and the bite registration simultaneously.

7.

The retraction cord is left in place during the impression.

a)

True

b)

False

8.

What is used to clean and decontaminate the inside surface of the veneer?

a)

Alcohol

b)

Water

c)

Hydrogen peroxide

d)

Acid etchant

9.

Who must sign the laboratory prescription?

a)

Dentist

b)

Dentist and patient

c)

Patient

d)

Dentist and dental assistant

10.

If the patient experiences gingival sensitivity after the fixed prosthesis is placed, they should be instructed to rinse with an alcohol-based rinse for several days.

a)

True

b)

False

11.

If a chart notes that a patient is coming in for a second treatment appointment for 'Cr, Au' today, it means that the dentist will be

a)

applying a gold crown

b)

performing a consultation about a fixed prosthesis

c)

adjusting an existing fixed prosthesis

d)

applying a porcelain crown

12.

If the patient wants to whiten the teeth in addition to getting the fixed prosthesis, the dental team should

a)

whiten the teeth before selecting the shade for the prosthesis, and then whiten them again when placing the final fixed prosthesis

b)

select the shade of the prosthesis during the preparation appointment and then whiten the teeth

c)

wait until after the teeth have been whitened to select the shade for the prosthesis

d)

select a shade for the prosthesis to match the teeth before whitening, and then whiten the teeth and prosthesis at the same time

13.

How long is the retraction cord left in place if it has been chemically treated?

a)

Up to 15 minutes

b)

No more than 2 minutes

c)

8-10 minutes

d)

5-7 minutes

14.

A preparation that involves the mesial, distal, and lingual but leaves the facial intact is for a(n)

a)

inlay

b)

veneer

c)

full-cast crown

d)

3/4 crown

15.

Which abbreviation should be recorded in the patient's chart to indicate that a prosthetic is provisional?

a)

pr

b)

pv

c)

pro

d)

prov

16.

If the preliminary impression taken during the preparation appointment is being used to fabricate a provisional crown for an anterior tooth, the provisional crown will likely be made of

a)

porcelain

b)

acrylic

c)

stainless steel

d)

alginate

17.

Water irrigation systems can cause fixed dental prostheses to fail over time.

a)

True

b)

False

18.

Which type of preparation is preferred at the gingival margin for a gold crown?

a)

Shoulder

b)

Beveled shoulder

c)

Chamfer

d)

Beveled chamfer

19.

When the lab technician is fabricating the fixed prosthesis, what do they do next after pouring the final impression to make the master model and die?

a)

Place the sprue pin on the mold base

b)

Pour the investment material into the mold

c)

Create a wax pattern on the die

d)

Prepare the gold casting for the porcelain application

20.

Patients with uncontrolled diabetes are good candidates for fixed prostheses.

a)

True

b)

False

21.

A dark line along the margin of a PFM crown may be the result of gingival recession.

a)

True

b)

False

22.

Gold alloy crowns that have porcelain facials are known as crowns.

a)

full-cast

b)

PFM

c)

porcelain

d)

three-quarter

23.

If the porcelain on a PFM fixed prosthesis chips, it can be repaired.

a)

True

b)

False

24.

Which type of veneer is made in the dental office directly on the patient's tooth and requires only one appointment?

a)

All types of veneers

b)

Direct resin

c)

Porcelain

d)

Indirect resin

25.

The informed consent process for a fixed dental prosthetic appliance must include a review of both the advantages and disadvantages of treatment.

a)

True

b)

False

26.

Xerostomia can lead to a failure of a fixed dental prosthesis.

a)

True

b)

False

27.

Which type of restoration covers the area between the cusps in the middle of the tooth?

a)

Onlay

b)

Veneer

c)

3/4 crown

d)

Inlay

28.

Porcelain veneers wear at a greater rate than indirect resin veneers.

a)

True

b)

False

29.

Provisional crowns are held in place with

a)

mechanical retention

b)

temporary cement

c)

implantation into the gingiva

d)

permanent cement

30.

When using a triple tray to take the final impression, a heavy body material is applied around the prepared tooth and adjacent teeth.

a)

True

b)

False

31.

Veneers are made of porcelain or resins.

a)

True

b)

False

32.

When using double cord gingival retraction, which cord should be coated with a hemostatic agent?

a)

Smaller cord

b)

Both cords

c)

Larger cord

d)

Neither cord

33.

Veneers are restorations that cover which tooth surface?

a)

All surfaces

b)

Lingual

c)

Mesial and distal

d)

Facial

34.

Veneers are used to

a)

completely cover all exposed surfaces of a tooth

b)

replace missing teeth

c)

reshape the anatomy of teeth

d)

strengthen the roots of teeth

35.

Digital shade selection ensures that the shade selected in the dentist's office exactly matches the shade produced in the laboratory.

a)

True

b)

False

36.

What is used to prepare the tooth for a crown?

a)

Low-speed handpiece with diamond burs

b)

Low-speed handpiece with acrylic burs

c)

High-speed handpiece with diamond burs

d)

High-speed handpiece with acrylic burs

37.

In prosthodontics, the cast restoration is termed the

a)

pontic

b)

abutment

c)

implant

d)

prosthesis

38.

When the provisional restoration is removed, any residual cement should be removed with a(n)

a)

spoon excavator

b)

scaler

c)

crown remover

d)

explorer

39.

The use of fixed prosthodontic dental appliances has increased significantly in recent years.

a)

True

b)

False

40.

When the fixed prosthesis is being fabricated in the laboratory, the wax pattern must be placed on a sprue pin before it is placed on the mold base in the ring mold.

a)

True

b)

False