Ch. 42 RHS Vocab Words

Vocab from the book

cephalostat

special device that allows the operator to easily position both film and patient

computed tomography (toe-MOG-ruh-fee) (CT)

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 (CBCT)

three-dimensional digital imaging method that uses a cone-shaped beam of radiation that rotates around the patient

digital panoramic units

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 

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

area that can be shown when performing imaging procedures

focal trough (trof)

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 (tem-puh-roe-man-DIB-yoo-lur) joint (TMJ)

joint on each side of the head that allows movement of the mandible

three-dimensional digital imaging

image that demonstrates the anatomy in three dimensions