DEN185 Week 3 Study Guide

Question 1

True or False:

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

Answer 1

True

Question 2

True or False:

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

Answer 2

False

Question 3

True or False:

The wax pattern must be placed on a sprue pin before being placed on the mold base in the ring mold during the fabrication of a fixed prosthesis.

Answer 3

True

Question 4

True or False:

Can water irrigation systems cause fixed dental prostheses to fail over time?

Answer 4

False

Question 5

True or False:

All veneers are made of porcelain or resins.

Answer 5

True

Question 6

True or False:

Is the retraction cord left in place during the final impression?

Answer 6

False

Question 7

True or False:

Porcelain veneers wear faster than indirect resin veneers.

Answer 7

False

Question 7

True or False:

The informed consent process for a fixed dental prosthetic appliance must encompass a comprehensive review of both the benefits and potential drawbacks of the treatment.

Answer 7

True

Question 8

True or False:

Fixed prostheses are suitable for patients with uncontrolled diabetes.

Answer 8

False

Question 9

True or False:

If the porcelain on a porcelain-fused-to-metal (PFM) fixed prosthesis becomes chipped, it is possible to repair it.

Answer 9

False

Question 10

True or False:

If the patient experiences gingival sensitivity following the placement of the fixed prosthesis, they should be advised to rinse with an alcohol-based solution for several days.

Answer 10

False

Question 11

True or False:

Digital shade selection guarantees that the shade chosen in the dental office precisely matches the shade created in the laboratory.

Answer 11

True

Question 12

True or False:

An “X” symbol in a patient’s chart signifies an open contact.

Answer 12

False

Question 13

True or False:

The presence of a dark line along the margin of a porcelain-fused-to-metal (PFM) crown may be attributed to gingival recession.

Answer 13

True

Question 14

True or False:

Fixed Prosthodontic dental appliances have become more common recently.

Answer 14

True

Question 15

In prosthodontics, the cast restoration is commonly referred to as a:

Answer 15

prosthesis

Question 16

What type of veneer is fabricated directly on the patient’s tooth in the dental office and can be completed in just one appointment?

Answer 16

direct resin

Question 17

Veneers are used to:

Answer 17

reshape the anatomy of the teeth

Question 18

Which type of restoration requires preparation only on the lingual surfaces of the abutment teeth?

Answer 18

Maryland bridge

Question 19

Veneers are restorations that cover the ______ surface of a tooth.

Answer 19

facial

Question 20

The teeth on either side of a missing tooth is the:

Answer 20

abutment teeth

Question 21

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

Answer 21

pontic

Question 22

A preparation that includes mesial, distal, and lingual surfaces while leaving the facial surface untouched is used for a(n):

Answer 22

3/4 (quarter) crown

Question 23

What type of restoration covers the area between the cusps in the center of a tooth?

Answer 23

inlay

Question 24

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?

Answer 24

Crown made of gold/applying a gold crown

Question 25

What abbreviation should be noted in the patient's chart to signify that a prosthetic is temporary?

Answer 25

Prov or Temp

Question 26

After the lab technician pours the final impression to create the master model and die, what is the next step in fabricating the fixed prosthesis?

Answer 26

Create a wax pattern on the die

Question 27

What is the advantage of using a triple tray for taking the final impression during the initial treatment appointment?

Answer 27

It captures maxillary & mandibular quadrant & bite registration simultaneously.

Question 28

During double cord gingival retraction, which cord should be treated with a hemostatic agent? a. smaller cord b. larger cord c. both cords d. neither cord

Answer 28

b. larger cord

Question 28

When a patient wants to whiten their teeth in addition to receiving a fixed prosthesis, what should the dental team do? a. Select the shade of the prosthesis during the preparation appointment and then whiten the teeth. b. Wait until after the teeth have been whitened to select the shade for the prosthesis. c. Select a shade for the prosthesis to math the teeth before whitening, and then whiten the teeth and prosthesis at the same time. d. Whiten the teeth before selecting the shade for the prosthesis, and then whiten them again when placing the final fixed prothesis.

Answer 28

b. Wait until after the teeth have been whitened to select the shade for the prosthesis.

Question 29

If the initial impression taken during the preparation appointment is used to create a provisional crown for an anterior tooth, the provisional crown will most likely be make of: a. alginate b. porcelain c. stainless steel d. acrylic

Answer 29

d. acrylic

Question 29

When removing a provisional restoration, any remaining cement should be cleaned off with a(n):

Answer 29

scaler

Question 29

Who must sign a laboratory prescription?

Answer 29

Dentist

Question 29

Provisional crowns are secured in place using:

Answer 29

temporary cement

Question 30

When a retraction cord is chemically treated, how long should it be left in place?

Answer 30

5-7 minutes

Question 31

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

Answer 31

Chamfer (prep style)

Question 32

What is used to prepare a tooth for a crown? a. Low-speed handpiece with diamond burs b. High-speed handpiece with diamond burs c. Low-speed handpiece with acrylic burs d. High-speed handpiece with acrylic burs

Answer 32

b. High-speed handpiece with diamond burs

Question 32

Gold alloy crowns with porcelain facials are referred to as ___________ crowns. a. PFG b. Full-cast c. Three-quarter d. Porcelain

Answer 32

a. PFG

Question 33

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

Answer 33

acid etch

Question 34

How are fixed prosthodontic restorations held in place?

Answer 34

permanent cement