Module 18 Flashcards
The dental professional should interpret all dental images while?
Patient is present
Metallic Restorations ______ x-rays. They appear _______ on the film?
absorb
radiopaque (white)
Nonmetallic restorations may be ______ or _____ depending on the ___ of the material?
radiolucent (dark)
radiopaque (light)
density
What nonmetallic restoration is most dense and therefore appears most radiopaque?
Porcelain
What nonmetallic restoration is least dense and therefore most radiolucent?
Acrylic
Amalgam overhangs disrupt the natural _______ of the tooth, traps ____ and ____, and contributes to ______ _____
cleansing contours
food
plaque
bone loss
_______ can occur when the material is embedded in soft tissue during restoration or removal of the restorative material.
Amalgam Fragments/Tattoos
A large radiopaque restoration with smooth borders is most likely out of what material________?
Gold
What restorations are indistinguishable from one-surface amalgam restorations?
Gold Foil
What type of radiopaque restorations are used as temporary restorations and have smooth, regular margins and outlines?
SS crowns
SS crowns may cause _____ problems such as _____ impaction, gingival ____, or possible _____ _______?
periodontal
food
bleeding
bone loss
What type of restorations would be seen in a tooth treated with endodontic therapy?
Post and Core
All porcelain crowns appear slightly _____ with a thin _____ _____ line outlining the tooth.
radiopaque
radiopaque cement
The metal component of a PFM appears _______ _______ and the porcelain component appears ______ _______
completely radiopaque
slightly radiopaque
Composite restorations can be ____ or _____ depending on the composition of the material?
radiolucent
radiopaque
_______ resin restorations are often used as an interim or temporary crown or filling?
Acrylic
What materials are placed on the floor of a cavity preparation and appear slightly radiopaque?
Base Materials
What are the two types of restorations used to fill root canals? What do they look like?
Silver Points (completely radiopaque) Gutta Percha (slightly radiopaque)
Anterior porcelain denture teeth include one or two metal ______ or _____
retention pins
diatorics
A complete denture not removed before x-rays gives the illusion of?
floating teeth
Patients should remove _____ and ____ before taking intra-oral x-rays?
eyeglasses
nose jewelry
A radiodense object such as a earring causes an artifact known as a ______ _____ on panoramic images?
ghost image
What size film is used in primary dentition?
What size is used in mixed dentition?
0
1/2
In children with primary or mixed dentition the _____ technique is used?
bisecting
