Dental Radiology Flashcards
Radiology
Branch of medicine dealing with the diagnostic and therapeutic applications of radiation (xrays)
Radiographs (xrays)
The image or picture produced on a film
Radio is the prefix meaning radiation
Graph is the suffix meaning picture
Intraoral radiograph
xray taken from inside the mouth
Bitewing
intraoral
- a cavity detecting radiograph showing the interproximal (mesial and distal) surfaces of the teeth.
Periapical Radiograph
- Intraoral
- a dental x-ray that shows the roots or apex of the root and surrounding bone
peri means around, apical means apex
Full mouth, complete series
A series of periapical radiographs showing all areas of the mouth including teeth and gums.
It includes 4 bitewing radiographs.
May be part of a new patient procedure.
Occlusal Film
Radiograph used to show large areas of the bone of the skull that supports the upper and lower jaw. (intraoral)
Extra-Oral Film
A picture taken from outside the mouth that examines all the external structures of the oral cavity.
Panoramic Film
A single radiographic film that shows the environment and arrangement of the teeth and surrounding gum and bone structure.
Also called a panorex or panalypse.
Exrtra-oral film
Cephalometric Film
extra-oral radiograph of the head to assist in the evaluation of the client’s facial growth and development.
Cephalo means head
Radiolucent
something that appears dark on an x-ray.
Normal - nerves appear radiolucent
Abnormal radiolucent things:
- infection or abcess
- cavity/decay
Radiopaque
- appears white or light on an x-ray
Normal
- madibular tori
- root canal
- Tartar
Abnormal
- cyst
Incipient Decay
cavity only present in the enamel of the tooth. Once it crosses the DEJ (the dentoenamel junction) the cavity will need to be filled.
Overlap
Occurs because you are taking a 2D pic of a 3D object. Also due to the curvature of the teeth and jaw
