Teeth
Which of the following is an example of a fixed prosthesis?
Partial denture
Silver amalgam core
Porcelain veneer Correct
Pin-retained amalgam
Porcelain veneer
What astringent can be applied to a retraction cord to control bleeding?
Hemodent
Which procedure takes place during the second appointment for the placement of a cast restoration?
Try-In
What is the material of choice for an inlay or onlay restoration if esthetics is a concern?
Porcelain
Which component of a fixed bridge anchors to existing teeth?
Abutment
Which cast restoration is designed to fit snugly within a tooth preparation, such as a Class II restoration, and covers only a portion of the occlusal and proximal surface?
Inlay
What type of impression is taken to be sent to the dental lab for the preparation of a crown?
Final
Under which condition would a post-and-core be recommended before placing a crown?
The tooth has been treated endodontically.
Which material is placed under a porcelain veneer to mask tooth discoloration?
opaquer.
How is a Maryland bridge held in place?
Winglike extensions are bonded onto the lingual surfaces of the adjacent teeth
The color of the finished veneer can be affected by the shade of the underlying tooth structure and by the color of the luting agent.
True or false
true
The lab tech prepares an exact replica of the prepared tooth. What's the replica called?
Die
A gingival retraction cord is placed _____ the crown preparation is completed; it is removed _____ the final impression is taken.
after; before
What is the name for a full metal crown that is covered in a thin layer of porcelain?
PFM Porcelain fused to metal crown
What should be included on a laboratory prescription?
dentist’s name, license number, address, and signature
Which type of crown does not cover the entire anatomic portion of the tooth?
Three-quarters crown
How will the lab tech adhere the units of a bridge together
Solder
How is the area under the pontic of a bridge maintained?
Clean under the pontic using floss and a floss threader.
What is the term for each component of a fixed bridge?
UNIT
Which device is used to determine the tooth color for ceramic crowns or bridges?
Shade guide
When one or more teeth are missing from the same arch, which permanent restoration is recommended?
Fixed bridge
What are the advantages for the patient of a computer assisted restoration (CAD/CAM)?
One office visit, no impression, and reduced tooth sensitivity
What occurs at the final appointment in the crown and bridge process?
Cementation of a final restoration
Which component of a fixed bridge replaces a missing natural tooth?
PONTIC
What is the tapered finish line of the margin at the cervical area of a tooth preparation?
Chamfer