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Intraoral&Extraoral

TermDefinition
Augulation Alignment of central ray of x-ray beam in horizontal and vertical planes.
Bisecting technique Intraoral technique of exposing dental images.
Bitewing Type of image used for interproximal examination.
central ray X-ray at center of beam.
contract area Area of the mesial or distal surfaces of a tooth that touches an adjacent tooth in the same arch.
crestal bone Coronal portion of alveolar bone found between the teeth.
developmental disability Impairment of mental or physical functioning that usually occurs before adulthood and lasts indefinitely.
diafnostic quality Referring to images with the proper structures and necessary density, contrast, definition, and detail for diagnostic purposes.
interproximal Between two adjacent surfaces.
intersecting Cutting across or through.
long axis of the tooth imaginary line dividing the tooth longitudinally (vertically) into two equal halves
occkusal technique Used to examine large areas of the upper or lower jaw.
parallel Moving or lying in the same plane, always separated by the same distance.
paralleling technique Intraoral technique of exposing periapical and bitewing images.
perpendicular Intersecting at or forming a right angle.
physical disability Impairment in certain function(s) of the body, such as vision, hearing, or mobility.
positioning instruments Intraoral device used to position and hold the film, sensor, or PSP.
right angle Angle of 90 degrees formed by two lines perpendicular to each other.
Cephalostat Special device that allows the operator to easily position both film and patient.
computed tomography Radiographic technique that produces images or “slices” of one layer or section of the specific areas. Also referred to as computed axial tomography (CAT scan).
cone beam computed tomography A three-dimensional digital imaging method that uses a cone-shaped beam of radiation that rotates around the patient.
Digital panoramic units A filmless method of recording a panoramic image and displaying it by using an electronic sensor and a computer to process and store the image.
exposure controls Feature that allows the operator to adjust the milliamperage and kilovoltage settings.
Extraoral images Images taken when large areas of the skull or jaw must be examined.
Extraoral imaging An image of the teeth and bones made by placing the film or cassette against the face or the head and projecting the x-rays from the opposite side.
field of view The area that can be shown when performing imaging procedures.
focal trough Imaginary three-dimensional horseshoe-shaped zone used to focus panoramic radiographs.
Frankfort plane Imaginary plane that passes through the top of the ear canal and the bottom of the eye socket
midsagittal plane Imaginary line that divides the patient’s face into right and left sides.
temporomandibular joint Joint on each side of the head that allows movement of the mandible.
three dimensional digital imaging An image that demonstrates the anatomy in three dimensions.
Created by: salyndamills
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