FIXED PROSTHODONTICS COMPREHENSIVE
ANSWERS AND QUESTIONS SET A+
✔✔A patient presents to your office with an existing occlusal amalgam restoration and a
fractured distolingual cusp. Which of the following restorations would be used as an
alternative to a larger amalgam restoration? - ✔✔Onlay
✔✔What type of prosthesis might be recommended for a patient with healthy anterior
teeth that have a deep intrinsic stain that cannot be removed with whitening
procedures? - ✔✔Laminate veneers
✔✔True or False: All-ceramic crowns provide superior esthetics but poor strength when
compared to PFM crowns. - ✔✔True
✔✔Which of the following techniques can be used in the case of a missing tooth? -
✔✔Implant
✔✔Which of the following statements about retraction cord is not correct? - ✔✔Thin
retraction cord resorbs in the sulcus and need not be removed.
✔✔Which of the following statements about obtaining an impression for fixed
prosthodontics is not correct? - ✔✔Heavy-bodied impression material is syringed
around the prepared tooth.
✔✔What is the term given to the junction between prepared and unprepared tooth
structure? - ✔✔Cavosurface Margin
✔✔True or False: When porcelain is to be used for a crown, it is advisable to obtain a
shade before tooth preparation. - ✔✔True
✔✔True or False: The impressions and bite registration should be disinfected before
they are sent to the lab so as not to expose lab personnel to pathogens. - ✔✔True
, ✔✔True or False: The use of posts in vital teeth provides additional support for the
crown and ensures that the crown will remain attached to the tooth. - ✔✔False
✔✔Which of the following steps are performed before cementation of the new crown?
Select all that apply. - ✔✔Check the shade for accuracy.
Check the contacts with floss
Check the margins with an explorer.
Check the occlusion with articulating paper.
✔✔A patient is to receive a fixed bridge to replace missing tooth #3. Which of the
following statements about the procedure is incorrect? - ✔✔The abutment teeth and
pontic require gingival retraction.
✔✔In your state, a dental assistant is legally permitted to place retraction cord under the
supervision of a licensed dentist. Which of the following might impact how/whether you
proceed with cord placement on a patient? - ✔✔The preparation margin is above the
gingiva
The patient had a recent heart attack
The gingiva around the margin is very inflamed and overlapping the margin
✔✔Why was gutta percha removed from Mr DeLuca's tooth #14 after the root canal was
complete? - ✔✔To make room for a post to be fitted.
✔✔You've completed assisting Dr. Smith with a final impression for a crown on tooth
#3. Which of the following is a very important step to remember prior to proceeding with
fabricating the provisional crown? - ✔✔Remove the thin retraction cord from the sulcus
✔✔ Inlay - ✔✔An indirect restoration that does not replace any cusps.
✔✔Onlay - ✔✔An indirect restoration that replaces one or more cusps of the tooth.
✔✔What are some common examples of fixed prosthesis? - ✔✔Inlays
Onlays
Veneers
Crowns
Fixed bridges
Resin-bonded bridges
✔✔Inlays can be cast in what? - ✔✔metal (gold alloys are common) or made from
porcelain (or another tooth-colored material).
✔✔An ____________ is another indirect restoration that includes one or more cusps in
the prosthesis, but it doesn't cover the whole crown. - ✔✔Onlay
ANSWERS AND QUESTIONS SET A+
✔✔A patient presents to your office with an existing occlusal amalgam restoration and a
fractured distolingual cusp. Which of the following restorations would be used as an
alternative to a larger amalgam restoration? - ✔✔Onlay
✔✔What type of prosthesis might be recommended for a patient with healthy anterior
teeth that have a deep intrinsic stain that cannot be removed with whitening
procedures? - ✔✔Laminate veneers
✔✔True or False: All-ceramic crowns provide superior esthetics but poor strength when
compared to PFM crowns. - ✔✔True
✔✔Which of the following techniques can be used in the case of a missing tooth? -
✔✔Implant
✔✔Which of the following statements about retraction cord is not correct? - ✔✔Thin
retraction cord resorbs in the sulcus and need not be removed.
✔✔Which of the following statements about obtaining an impression for fixed
prosthodontics is not correct? - ✔✔Heavy-bodied impression material is syringed
around the prepared tooth.
✔✔What is the term given to the junction between prepared and unprepared tooth
structure? - ✔✔Cavosurface Margin
✔✔True or False: When porcelain is to be used for a crown, it is advisable to obtain a
shade before tooth preparation. - ✔✔True
✔✔True or False: The impressions and bite registration should be disinfected before
they are sent to the lab so as not to expose lab personnel to pathogens. - ✔✔True
, ✔✔True or False: The use of posts in vital teeth provides additional support for the
crown and ensures that the crown will remain attached to the tooth. - ✔✔False
✔✔Which of the following steps are performed before cementation of the new crown?
Select all that apply. - ✔✔Check the shade for accuracy.
Check the contacts with floss
Check the margins with an explorer.
Check the occlusion with articulating paper.
✔✔A patient is to receive a fixed bridge to replace missing tooth #3. Which of the
following statements about the procedure is incorrect? - ✔✔The abutment teeth and
pontic require gingival retraction.
✔✔In your state, a dental assistant is legally permitted to place retraction cord under the
supervision of a licensed dentist. Which of the following might impact how/whether you
proceed with cord placement on a patient? - ✔✔The preparation margin is above the
gingiva
The patient had a recent heart attack
The gingiva around the margin is very inflamed and overlapping the margin
✔✔Why was gutta percha removed from Mr DeLuca's tooth #14 after the root canal was
complete? - ✔✔To make room for a post to be fitted.
✔✔You've completed assisting Dr. Smith with a final impression for a crown on tooth
#3. Which of the following is a very important step to remember prior to proceeding with
fabricating the provisional crown? - ✔✔Remove the thin retraction cord from the sulcus
✔✔ Inlay - ✔✔An indirect restoration that does not replace any cusps.
✔✔Onlay - ✔✔An indirect restoration that replaces one or more cusps of the tooth.
✔✔What are some common examples of fixed prosthesis? - ✔✔Inlays
Onlays
Veneers
Crowns
Fixed bridges
Resin-bonded bridges
✔✔Inlays can be cast in what? - ✔✔metal (gold alloys are common) or made from
porcelain (or another tooth-colored material).
✔✔An ____________ is another indirect restoration that includes one or more cusps in
the prosthesis, but it doesn't cover the whole crown. - ✔✔Onlay