Fixed Prosthodontics Key Terms

Questions and Answers

What is a cast pore?

A buildup of restorative material for a crown

A dental lab device simulating mandible movements

A preformed post fitted into an endodontically treated tooth (correct)

An artificial tooth in a bridge

What is a core in fixed prosthodontics?

A type of impression material

A buildup of restorative material for crown retention (correct)

A device that simulates jaw movement

A replica of the prepared tooth

What does a die refer to in dentistry?

An implant for tooth retention

A type of dental restoration

A crown preparation technique

A replica used in making cast restorations (correct)

What is an abutment?

Tooth, root, or implant used for retention of a fixed or removable prosthesis. Signup and view all the answers

What device simulates the movements of the mandible and the TMJ?

Articulator Signup and view all the answers

What is a fixed bridge?

A fixed prosthetic with artificial teeth cemented to natural teeth. Signup and view all the answers

What is the function of gingival retractor cord?

Displaces gingival tissues away from the teeth. Signup and view all the answers

What does a full crown cover?

The entire anatomic portion of a single tooth. Signup and view all the answers

What is an inlay designed to restore?

A conservative class II restoration. Signup and view all the answers

What does hypertrophied mean?

Overgrown tissue. Signup and view all the answers

What is a master cast?

Cast created from a final impression used to construct various components of the prosthesis. Signup and view all the answers

What is investment material used for?

To withstand extreme heat during the casting process. Signup and view all the answers

What is a pontic?

An artificial tooth in a bridge replacing a natural missing tooth. Signup and view all the answers

What does porcelain fused to metal refer to?

A type of indirect restoration using porcelain and gold crown. Signup and view all the answers

What is a veneer?

Layer of tooth colored material bonded to the facial surface of a tooth. Signup and view all the answers

What is an onlay designed to restore?

The occlusal crown and proximal surfaces of a posterior tooth. Signup and view all the answers

What is a resin bonded bridge also known as?

Maryland bridge. Signup and view all the answers

What is an opaquer used for?

To prevent discoloration of the tooth under porcelain restorations. Signup and view all the answers

What does a 3/4 crown cover?

The anatomic crown of a tooth except for the facial or buccal portion. Signup and view all the answers

What does the term unit refer to in fixed bridges?

Each single component of a fixed bridge. Signup and view all the answers

A fixed prosthesis is commonly referred to as _______________.

Crown and bridge Signup and view all the answers

What is a contraindication to receiving a fixed prosthesis?

Having poor oral hygiene. Signup and view all the answers

What are rotary instruments used for?

To reduce the height and contour of a tooth for a casting. Signup and view all the answers

What is fabricated and placed into the pulp for better retention of a crown if a tooth is nonvital?

Post and core. Signup and view all the answers

What is a hemodent?

Astringent applied to a retraction cord to control bleeding. Signup and view all the answers

What type of impression is taken to be sent to the lab for the preparation of a crown?

Final impression. Signup and view all the answers

What is a lab rx?

How the dentist conveys to the lab tech what type of crown is to be made. Signup and view all the answers

What does a patient wear on a prepared tooth while the lab is fabricating a crown or bridge?

Provisional. Signup and view all the answers

Who in the dental office can legally cement a permanent crown or bridge?

Dentist. Signup and view all the answers

How many minimal appointments are required for the fabrication of a fixed bridge?

Two. Signup and view all the answers

What is a floss threader used for?

An accessory used to help in flossing a bridge. Signup and view all the answers

Study Notes

Fixed Prosthodontics Key Terms

Cast Pore: A preformed post that enhances retention for a cast restoration in endodontically treated teeth.
Core: A buildup of restorative material to provide a larger retention area for permanent crowns.
Die: A replica of the tooth prepared for lab use in creating cast restorations.
Abutment: A tooth, root, or implant that supports a fixed or removable prosthesis.
Articulator: A dental device that mimics the movements of the mandible and temporomandibular joint.
Fixed Bridge: A prosthetic device with artificial teeth, cemented permanently to natural teeth.
Gingival Retractor Cord: Displaces gingival tissues away from teeth for better visibility and access.
Full Crown: A cast restoration that encompasses the entire anatomical portion of a single tooth.
Inlay: A cast restoration that conservatively restores a Class II cavity.
Hypertrophied: Refers to overgrown or excessive tissue.
Master Cast: Created from a final impression, it is used to fabricate baseplates, bite rims, wax setups, and finished prostheses.
Investment Material: A specialized gypsum material capable of withstanding extreme heat during casting.
Pontic: An artificial tooth in a bridge that replaces a missing natural tooth.
Porcelain Fused to Metal: An indirect restoration combining porcelain material with the facial portion of a gold crown.
Veneer: A tooth-colored layer bonded to the prepared facial surface of a tooth.
Onlay: A cast restoration that restores the occlusal crown and proximal surfaces of a posterior tooth.
Resin Bonded Bridge: Also known as a Maryland bridge, it has winglike projections bonded to the lingual surfaces of adjacent teeth.
Opaquer: A resin material placed under porcelain restorations to prevent tooth discoloration from showing through.
3/4 Crown: A cast restoration covering all but one portion (facial or buccal) of a tooth's anatomic crown.
Unit: Each individual component of a fixed bridge.
Crown and Bridge: The fixed prosthesis is commonly referred to by this term.
Poor Oral Hygiene: A contraindication for receiving fixed prostheses due to increased risk of complications.
Rotary Instruments: Used for modifying the height and contour of a tooth in preparation for casting.
Post and Core: Fabricated and placed in the pulp of a nonvital tooth for improved crown retention.
Hemodent: An astringent applied to a retraction cord to manage bleeding during procedures.
Final Impression: The last impression taken for sending to a lab in preparation for a crown.
Lab Rx: Documentation that informs the lab tech of the specific crown type to be made according to the dentist's specifications.
Provisional: Temporary restoration placed on a prepared tooth while the crown or bridge is being fabricated.
Dentist: The professional in the dental office authorized to cement permanent crowns or bridges legally.
Two: The minimum number of appointments typically required for the fabrication of a fixed bridge.
Floss Threader: An accessory designed to facilitate flossing around a dental bridge.

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Description

This quiz covers essential key terms in fixed prosthodontics that are crucial for understanding dental restorations. From cast pores to fixed bridges, test your knowledge of these fundamental concepts in restoring teeth. Perfect for dental students and professionals looking to reinforce their terminology.