Dental Radiology Glossary

Abbreviation for Periapical Cemental Dysplasia, a benign fibro-osseous jaw lesion occurring at tooth apices in vital tee...

A localised collection of pus at the apex of a tooth root, resulting from bacterial infection of the pulp, visible on ra...

A benign fibro-osseous lesion of the jaw appearing at tooth apices in distinct radiographic stages, unrelated to pulpal...

A five-point radiographic scoring system (PAI) used to classify the health or degree of periapical pathology observed at...

An intraoral X-ray image that captures the entire tooth — crown, root, and surrounding bone — including the apex and per...

Inflammation of the soft tissue overlying a partially erupted tooth, most commonly a mandibular third molar, which prese...

The thin radiolucent line visible on dental radiographs between the root surface and the surrounding alveolar bone, repr...

A flexible, film-like indirect digital radiographic receptor that stores a latent X-ray image and releases it as visible...

Abbreviation for Position-Indicating Device, the tube-like attachment on a dental X-ray unit used to direct the beam and...

A cylindrical or rectangular tube attached to the X-ray tube head that directs and collimates the X-ray beam toward the...

Abbreviation for Photostimulable Phosphor Plate, an indirect digital dental radiographic receptor.

Progressive narrowing or complete obliteration of the root canal space by the deposition of secondary or tertiary dentin...

A calcified mass within the pulp chamber or root canal, visible on dental radiographs as a discrete radiopaque body with...

The most common odontogenic cyst, arising from the epithelial cell rests of Malassez at the apex of a non-vital tooth, a...

The degree of difference in density or grey-scale value between adjacent areas on a radiographic image, which determines...

An area on a radiographic image that appears darker than surrounding structures, indicating lower X-ray attenuation typi...

An area on a radiographic image that appears lighter or whiter than surrounding structures, indicating higher X-ray atte...

A digital intraoral radiographic system in which a small sensor replaces conventional film and captures images electroni...

In dental radiology, the image-capturing device—whether film, photostimulable phosphor plate, or solid-state sensor—used...

A beam-limiting technique in intraoral radiography in which the X-ray beam is shaped to a rectangular cross-section matc...

A radicular cyst that persists within the jaw following extraction of the causative non-vital tooth, presenting as a wel...

The pathological or physiological loss of root dentine and cementum, visible radiographically as shortening, blunting, o...

Secondary radiation produced when primary X-ray photons interact with matter and are deflected from their original path,...

A low-dose, preliminary radiographic image taken prior to a full CBCT scan to confirm patient positioning and anatomical...