DHYG 101/102 week one

un exposed

UE

exposed

E

0,1,2,3,4

Film size number

bite block/film holder

stabe-

towards the machine, teeth

white faces which way

towards the slot

dot goes where

A form of energy carried by waves or a stream of particles

Radiation

a high-energy radiation produced by the collision of a beam of electrons with a metal target in an x-ray tube

X-radiation

a form of energy that travels in waves that creates an image

X-ray

two dimensional representation of a three dimensional object produced by a passage of x-rays through teeth and supporting structures

dental image

A flexible piece of plastic that is constructed to withstand heat, moisture, and chemical exposure and provides strength and stable support for the film emulsion. 0.2 mm

film base

A thin layer of adhesive material that covers both sides of the film base

adhesive layer

used to suspend and evenly disperse millions of microscopic silver halide crystals over the film base

gelatin

a chemical compound that is sensitive to radiation or light

Halide crystals

80-99% silver bromide/ 1-10% silver iodide

Silver halide crystals

film placed inside the mouth during x-ray exposer

interoral film

is used to see all the tooth- crown and root

perioapical film

Is used to examine the crowns of both maxillary and mandibular teeth on one film.

bitewing film