chapter 7: dental x-ray equipment

who dictates use of dental x-ray machines?

state and local governments

what law was implemented in 1974?

federal oversight in manufacturing/installation of dental x-ray units

when was federal oversight in manufacturing/installation of dental x-ray units implemented?

1974

what are the 2 types of intraoral radiography machines?

mounted or portable

what are the parts of intraoral radiography machines?

1. tubehead

2. extension arm

3. control panel

4. exposure button

what are the different types of dental x-ray machines?

intraoral and extraoral radiography

what are different examples of extraoral radiography?

panoramic, skull imagine, cephalometric, CBCT

what does CBCT stand for?

cone beam computed tomography

what is the purpose of dental x-ray receptor holders?

1. to stabilize the receptor in patients’ mouths

2. so patients don’t have to stabilize the receptors themselves

what do collimating devices do?

restricts/narrows the beam

what is a pro of collimating devices?

less exposure for the patient

what is a con of collimating devices?

requires precise alignment to avoid “cone cut”

what does PID stand for?

position indicating device