DEN185 Week 3 Study Guide Flashcards
True or False:
Xerostomia can lead to the failure of a fixed dental prosthesis.
True
True or False:
For a final impression using a triple tray, heavy body material is applied around the prepared tooth and adjacent teeth.
False
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.
True
True or False:
Can water irrigation systems cause fixed dental prostheses to fail over time?
False
True or False:
All veneers are made of porcelain or resins.
True
True or False:
Is the retraction cord left in place during the final impression?
False
True or False:
Porcelain veneers wear faster than indirect resin veneers.
False
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.
True
True or False:
Fixed prostheses are suitable for patients with uncontrolled diabetes.
False
True or False:
If the porcelain on a porcelain-fused-to-metal (PFM) fixed prosthesis becomes chipped, it is possible to repair it.
False
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.
False
True or False:
Digital shade selection guarantees that the shade chosen in the dental office precisely matches the shade created in the laboratory.
True
True or False:
An “X” symbol in a patient’s chart signifies an open contact.
False
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.
True
True or False:
Fixed Prosthodontic dental appliances have become more common recently.
True
In prosthodontics, the cast restoration is commonly referred to as a:
prosthesis
What type of veneer is fabricated directly on the patient’s tooth in the dental office and can be completed in just one appointment?
direct resin
Veneers are used to:
reshape the anatomy of the teeth
Which type of restoration requires preparation only on the lingual surfaces of the abutment teeth?
Maryland bridge
Veneers are restorations that cover the ______ surface of a tooth.
facial
The teeth on either side of a missing tooth is the:
abutment teeth
The part of a bridge that replaces a missing tooth is the:
pontic
A preparation that includes mesial, distal, and lingual surfaces while leaving the facial surface untouched is used for a(n):
3/4 (quarter) crown
What type of restoration covers the area between the cusps in the center of a tooth?
inlay
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?
Crown made of gold/applying a gold crown
What abbreviation should be noted in the patient’s chart to signify that a prosthetic is temporary?
Prov or Temp
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?
Create a wax pattern on the die
What is the advantage of using a triple tray for taking the final impression during the initial treatment appointment?
It captures maxillary & mandibular quadrant & bite registration simultaneously.
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
b. larger cord
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.
b. Wait until after the teeth have been whitened to select the shade for the prosthesis.
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
d. acrylic
When removing a provisional restoration, any remaining cement should be cleaned off with a(n):
scaler
Who must sign a laboratory prescription?
Dentist
Provisional crowns are secured in place using:
temporary cement
When a retraction cord is chemically treated, how long should it be left in place?
5-7 minutes
Which type of preparation is preferred at the gingival margin for a gold crown?
Chamfer (prep style)
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
b. High-speed handpiece with diamond burs
Gold alloy crowns with porcelain facials are referred to as ___________ crowns.
a. PFG
b. Full-cast
c. Three-quarter
d. Porcelain
a. PFG
What is used to clean and decontaminate the inside surface of the veneer?
acid etch
How are fixed prosthodontic restorations held in place?
permanent cement
