radiology

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when and where do you interpret radiographs?

right after mounting and in front of the patient on a view box or computer screen
how do metallic restorations appear on a radiograph?

radiopaque-metal absorbs most or all of xray
what are examples of metallic restorations
- amalgam
- gold
what are some examples of nonmetallic restorations
- porcelain
- composite
- acrylic
t/f amalgam restorations are completely radiolucent

false-radiopaque
what are four examples of amalgams on the radiograph
- one surface
- multisurface
- overhangs
- fragments
t/f gold restorations appear completely radiopaque

true
gold restorations exhibit a ______ marginal outline

smooth
what are two examples of gold restorations
- gold crowns and bridges
- gold foil restorations
what are four characteristics of stainless steel and chrome crowns
- prefabricated
- usually temporary
- not as radiopaque as amalgam or gold
- not contoured properly
where are post and core restorations seen?

in endodontically treated teeth
a post and core restoration ______ into the pulp canal

extends
what resembles the radiodentsity of dentin?

porcelain restorations
what are two types of porcelain restorations
- all porcelain crowns
- porcelain fused to metal crown
composition of _______ material determines _______ or ______ appearance
- composite
- radiolucent
- radiopaque
_______ restorations are used as temporary restorations

acrylic
what is the least dense restoration?

acrylic
_______ appears radiolucent or barely visible

acrylic
what are the two types of base materials
- zinc phosphate cement
- zinc oxide-eugenol paste
_____ ______ are calming to the tooth

base materials
what is the purpose of metallic pins

enhance retention
what is an apicoectomy?

endodontic procedure when they cut the end of the root and cap it with amalgam
what are two materials used in endodontics?
- gutta percha
- silver points
what are diatorics?

metal in the anterior of a complete denture (retention pins)
what are two materials that complete dentures are made of?
- acrylic
- porcelain
what three things are removable partial dentures made of?
- cast metal
- acrylic
- porcelain
what three things are used in orthodontics?
- bands
- brackets
- wires
- fixed retainers
what are five examples of materials used in oral surgery
- implants
- suture wires
- metallic splints and plates
- bone screws
- stabilizing arches
what are some miscellaneous objects that can be seen on a radiograph?
- jewelry
- eyeglasses
- napkin chain
what should be removed before radiographs are taken?
- jewelry
- eyeglasses
- napkin chain
- dentures
- removable partial dentures

Author

sweetpea281

47197

Card Set

radiology

Description

ID of restorations, dental materials and foreign objects

Updated

2010-11-04T01:43:26Z

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