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Chapter 31 Descriptive Terminology
Breakdown of chapter exam 5
Terms in this set (36)
An image that is produced on photosensitive film by exposing the film to x-rays and then processing the film so that a negative is produced is called what:
Is radiography applicable with digital radiography?
A beam of energy that has the power to penetrate substances and to record shadow images on photographic film is called what:
This portion of a processed image is dark or black:
Caries appear _________ because the area of tooth with caries is less dense than surrounding structures
This is the portion of a processed image that appears light or white:
A metallic restoration appears _______ because it is very dense and absorbs the radiation.
What is descriptive terminology?
Used to describe the appearance, location, and size of a lesion
Should all lesions be documented?
Why do we use descriptive terminology?
Allows dental professionals to describe and discuss what is seen on a dental image intelligently and to communicate using a common language
Descriptive terminology increases the chance for miscommunication. It also allows for documentation that images were reviewed.
The first statement is false, the second is true
True/False: Descriptive terminology allows the dental hygienist to describe what is seen on an image without implying a diagnosis.
What is necessary for the dentist to make a definitive diagnosis on a patient?
Medical and dental history, clinical findings, signs, symptoms, laboratory tests, and biopsy results
What type of lesion has one compartment, small and nonexpansile, and have borders that may appear corticated or non corticated on an image?
Unilocular radiolucent lesion
This lesion exhibits a thin, well-demarcated radiopaque rim of bone at the periphery, and is usually indicative of a benign, slow-growing process.
Unilocular lesion, corticated borders
This lesion does NOT exhibit a thin radiopaque rim of bone at the periphery, and appears fuzzy or poorly defined. It may represent either a benign or a malignant process.
Unilocular lesion, non corticated borders
This lesion exhibits multiple radiolucent compartments, frequently expansile, and typically benign lesion with aggressive growth potential.
Mulilocular radiolucent lesion
A periapical cyst located around the apex of a tooth would be a lesion in what location?
A lateral periodontal cyst located between the roots of adjacent teeth is a lesion located where?
This is a lesion located in an area without any teeth and usually occurs after post extraction, what type of location is this called?
What is an example of a radiolucent lesion located around the crown of an impacted tooth in the pericoronal location?
Loss of bone the maxilla or mandible that surrounds and supports the teeth appears ________?
Bone loss can occur not only in periodontal disease, but also with systemic illnesses, what are some examples?
Diabetes, histiocytosis, and leukemia
True/False: Radiopaque lesions occurs only in bone, not soft tissue.
What is an example of a focal opacity lesion?
A well-defined, localized radiopaque area surrounded by a uniform radiolucent halo is a:
What is an example of a target lesion?
What are some examples of a multifocal confluent lesion?
Osteitis deformans, florid osseous dysplaisa
What do multifocal confluent lesions usually represent?
Benign fibro-osseous disorders
What are some examples of an irregular ill-defined lesion?
Osteosarcoma or chondrosarcoma
What are some examples of a ground glass looking lesion?
Fibrous dysplasia, osteitis deformans, and osteopetrosis
What are some examples of a mixed radiolucent-opaque looking lesion?
Compound odontomas (calcified tumor)
What are examples of soft tissue area opacity lesions?
Sialolith and calcified lymph node
Where may radiopaque lesions appear?
Periapical, inter-radicular, edentulous, or pericoronal location
Where is a periapical location of a lesion?
Located around the apex of the tooth
What is sclerotic bone?
Indurations or hardening of bone from inflammation or from interstitial substance disease
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