Dental Radiology Glossary

A developmental odontogenic cyst arising from the follicular epithelium around the crown of an unerupted or impacted too...

An investigation level of radiation dose established for standard radiographic examinations, used to identify unusually...

A computerised radiographic technique in which two images taken at different times are digitally aligned and subtracted...

A measure of the total radiation dose delivered during a radiographic examination, calculated as the absorbed dose multi...

The measurement and calculation of absorbed radiation dose received by patients or staff during radiographic procedures,...

Abbreviation for Diagnostic Reference Level, a dose investigation benchmark for standard radiographic examinations used...

Abbreviation for Digital Subtraction Radiography, a technique that isolates interval changes between sequential dental r...

A radiation dosimetry value, expressed in millisieverts (mSv), representing the weighted sum of tissue-equivalent doses...

A geometric distortion in intraoral radiography in which the image of a tooth appears longer than its true anatomical le...

An ectopic nodule of enamel deposited on the root surface, most commonly in the furcation area of molar teeth, appearing...

The act of directing ionising radiation at a patient and detector to produce a diagnostic image; also a quantitative mea...

A numerical value assigned by a digital imaging system to indicate the amount of radiation received by the detector duri...

In CBCT imaging, the three-dimensional volume of tissue included in a scan, specified by its height and diameter and sel...

A geometric distortion in intraoral radiography in which a tooth's image appears shorter than its true anatomical length...

The radiographic evaluation of bone level at the point where the roots of a multi-rooted tooth diverge (the furcation ar...

Radiographic evidence of bone loss extending into the furcation area where the roots of a multi-rooted tooth diverge, in...

A small bony projection on the lingual surface of the anterior mandible that appears as a ring-shaped radiopacity with a...

A spurious radiopaque shadow appearing on a panoramic radiograph, produced by a dense structure on the opposite side of...

A spurious, magnified, and blurred duplicate of a radiopaque structure appearing on a panoramic radiograph on the opposi...

The continuous range of grey tones, from black to white, used to represent varying degrees of X-ray attenuation in a dig...

A standardised unit of radiodensity used in computed tomography (including CBCT) to express the X-ray attenuation of a t...

An abnormal thickening of the cementum on a tooth root, appearing radiographically as a bulbous root outline with preser...

An unintended communication between the root canal system and the periodontal or periradicular tissues caused by a clini...

The state of a tooth that is prevented from fully erupting into its normal functional position by another tooth, bone, o...