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WorksheetsChapter 40 Dental Study Guide
Total questions: 40
Worksheet time: 20mins
An 'X' symbol in a patient's chart indicates an open contact.
True
False
The teeth on either side of the missing tooth are the
clasps
dies
abutments
pontics
How are fixed prosthodontic restorations held in place?
Permanent cementation
Mechanical retention
Temporary cementation
Permanent implantation into the gingiva
The part of a bridge that replaces the missing tooth is the
abutment
clasp
pontic
die
Which restoration requires only that the lingual of the abutment teeth be prepared?
PFM bridge
Veneer
Maryland bridge
Cantilever bridge
What is the benefit of using a triple tray to take the final impression during the first treatment appointment?
It generates a digital image that allows greater accuracy when preparing the fixed prosthesis.
When the impression material sets, it can easily be trimmed and used as the provisional prosthesis.
It automatically cleans the tooth in preparation for the provisional prosthesis.
It captures the maxillary and mandibular quadrant and the bite registration simultaneously.
The retraction cord is left in place during the impression.
True
False
What is used to clean and decontaminate the inside surface of the veneer?
Alcohol
Water
Hydrogen peroxide
Acid etchant
Who must sign the laboratory prescription?
Dentist
Dentist and patient
Patient
Dentist and dental assistant
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.
True
False
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
applying a gold crown
performing a consultation about a fixed prosthesis
adjusting an existing fixed prosthesis
applying a porcelain crown
If the patient wants to whiten the teeth in addition to getting the fixed prosthesis, the dental team should
whiten the teeth before selecting the shade for the prosthesis, and then whiten them again when placing the final fixed prosthesis
select the shade of the prosthesis during the preparation appointment and then whiten the teeth
wait until after the teeth have been whitened to select the shade for the prosthesis
select a shade for the prosthesis to match the teeth before whitening, and then whiten the teeth and prosthesis at the same time
How long is the retraction cord left in place if it has been chemically treated?
Up to 15 minutes
No more than 2 minutes
8-10 minutes
5-7 minutes
A preparation that involves the mesial, distal, and lingual but leaves the facial intact is for a(n)
inlay
veneer
full-cast crown
3/4 crown
Which abbreviation should be recorded in the patient's chart to indicate that a prosthetic is provisional?
pr
pv
pro
prov
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
porcelain
acrylic
stainless steel
alginate
Water irrigation systems can cause fixed dental prostheses to fail over time.
True
False
Which type of preparation is preferred at the gingival margin for a gold crown?
Shoulder
Beveled shoulder
Chamfer
Beveled chamfer
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?
Place the sprue pin on the mold base
Pour the investment material into the mold
Create a wax pattern on the die
Prepare the gold casting for the porcelain application
Patients with uncontrolled diabetes are good candidates for fixed prostheses.
True
False
A dark line along the margin of a PFM crown may be the result of gingival recession.
True
False
Gold alloy crowns that have porcelain facials are known as crowns.
full-cast
PFM
porcelain
three-quarter
If the porcelain on a PFM fixed prosthesis chips, it can be repaired.
True
False
Which type of veneer is made in the dental office directly on the patient's tooth and requires only one appointment?
All types of veneers
Direct resin
Porcelain
Indirect resin
The informed consent process for a fixed dental prosthetic appliance must include a review of both the advantages and disadvantages of treatment.
True
False
Xerostomia can lead to a failure of a fixed dental prosthesis.
True
False
Which type of restoration covers the area between the cusps in the middle of the tooth?
Onlay
Veneer
3/4 crown
Inlay
Porcelain veneers wear at a greater rate than indirect resin veneers.
True
False
Provisional crowns are held in place with
mechanical retention
temporary cement
implantation into the gingiva
permanent cement
When using a triple tray to take the final impression, a heavy body material is applied around the prepared tooth and adjacent teeth.
True
False
Veneers are made of porcelain or resins.
True
False
When using double cord gingival retraction, which cord should be coated with a hemostatic agent?
Smaller cord
Both cords
Larger cord
Neither cord
Veneers are restorations that cover which tooth surface?
All surfaces
Lingual
Mesial and distal
Facial
Veneers are used to
completely cover all exposed surfaces of a tooth
replace missing teeth
reshape the anatomy of teeth
strengthen the roots of teeth
Digital shade selection ensures that the shade selected in the dentist's office exactly matches the shade produced in the laboratory.
True
False
What is used to prepare the tooth for a crown?
Low-speed handpiece with diamond burs
Low-speed handpiece with acrylic burs
High-speed handpiece with diamond burs
High-speed handpiece with acrylic burs
In prosthodontics, the cast restoration is termed the
pontic
abutment
implant
prosthesis
When the provisional restoration is removed, any residual cement should be removed with a(n)
spoon excavator
scaler
crown remover
explorer
The use of fixed prosthodontic dental appliances has increased significantly in recent years.
True
False
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.
True
False
