Radiography Chapter 31 Descriprive Term

alveolar bone loss

refers to loss of bone that surrounds and supports the teeth

edentulous zone

an area without teeth; variety of lesions are found here


causes expansion of the affected tissue; multiocular lesions often cause it

dental image

a term used to describe what is seen on a radiograph or digital image

focal opacity

a well-defined, localized radiopaque lesion on a dental radiograph

ground glass

an appearance of bone that can be described as granular or pebbled

interradicular lesion

a lesion found in between the roots of a tooth

irregular opacity

exhibits an irregular poorly defined pattern

mixed lucent-opaque

a lesion that has both radiopaque and radiolucent components; usually calcification

multifocal confluent pattern

muliple radiopacities that overlap each other

multiocular lesion

a lesion that exhibits multiple radiolucent compartments

periapical lesion

a lesion at the tip of the root of the tooth

pericoronal lesion

a lesion around the crown of an impacted tooth


a two-dimensional representation (picture) of a three-dimensional object


the portion of a processed dental image that is dark or black


the portion of a dental image that appears light or white

soft tissue opacity

appears as a well-defined radiopaque area in soft tissue. usually a salivary stone, etc

target lesion

a well-defined localized radiopaque area that is surrounded by a halo

uniocular corticated

when the lesion border appears to have a thin well defined rim of bone; slow growing benign process

uniocular noncorticaded

when the lesion border appears to be fuzzy or poorly defined; may represent a benign or malignant process


a roentgen ray... A beam of energy that has the power to penetrate substances and to record images on receptors