Week 1 Radiology Module 1

Question 1

Radiation

Answer 1

Energy carried by waves or particles

Question 2

X-Radiation

Answer 2

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

Question 3

X-Ray

Answer 3

A beam of energy that has the power to penetrate substances and record image shadows on an image reception (film, sensor, or plate)

Question 4

Radiology

Answer 4

The study of radiation as used in medicine; a branch of medical science that deals with the use of x-rays, radioactive substances, and other forms of radiant energy.

Question 5

Radiograph

Answer 5

An image or picture produced on a receptor (digital sensor, radiation sensitive film, or phosphor plate) by exposure of one of these image receptors to ionizing radiation

A TWO DIMENSIONAL REPRESENTATION OF A THREE DIMENSIONAL OBJECT

Question 6

Dental Radiograph

Answer 6

An image produced on a receptor by the passage of x rays through teeth and related structures

Question 7

Radiography

Answer 7

The science of making radiographs by the exposure of film to x-rays

Question 8

Dental Radiography

Answer 8

The production of radiographs of the teeth and adjacent structures by the exposure of film to x-rays

Question 9

Dental Radiographer

Answer 9

Any person who positions, exposes, and processes x-ray image receptors

Question 10

Image

Answer 10

A picture or likeness of an object

Question 11

Image receptor

Answer 11

A recording medium; x-ray film, phosphor plate, or digital sensor

Question 12

Dental imaging

Answer 12

The creation of digital, print, or film representations of anatomic structures for the purpose of diagnosis

Question 13

Uses of dental Images

Answer 13

Detect lesions
Confirm or classify suspected disease
Localize lesions or foreign objects
Provide information during dental procedures
Evaluate growth. and development
Illustrate changes secondary to caries, periodontal disease, or trauma
Document the condition of a patient
Aid in development of a clinical treatment plan

Question 14

Wilhelm Conrad Roentgen

Answer 14

Discovered x-ray in 1895

Question 15

Otto Walkhoff

Answer 15

Made the first dental radiograph in 1895

Question 16

C. Edmund Kells

Answer 16

Exposed the first dental radiograph in the U.S. on a patient in 1896

Question 17

Howard Riley Raper

Answer 17

First dental textbook pertaining to radiology in 1913

Question 18

William Coolidge

Answer 18

Developed the first hot-cathode X-ray tube with a tungsten filament that became a prototype for all modern-ray tubes

Question 19

Eastman Kodak

Answer 19

Manufactures rewrapped intraoral film in 1913

Question 20

First intramural imaging sensor was introduced in

Answer 20

1987

Question 21

Cone-beam computed tomography (CT scan) was introduced in

This allows viewing structures in 3-D

Answer 21

1999

Question 22

Component Parts of the Intraoral Dental X-Ray Machine

Answer 22

Tubehead
PID (Position indicating device) extends from tube head
Extension Arm
Control Panel

Question 23

Receptor Holder

Answer 23

Device used to hold and align intraoral x-ray receptors (digital sensor or film)
- single use disposable styrofoam bit block
- EndoRay used to take an x-ray during root canal
-Reusable remolded plastic devices
Snap a Ray

Question 24

Bean alignment device

Answer 24

An instrument used to position the PID correctly

- Rinn XCP and BAI instruments

Question 25

Collimating Device

Answer 25

Retrofitted onto the end of the PID and restricts the size of the x-ray beam and reduce the area of tissue exposed to radiation

Question 26

Information found on dental images

Answer 26

Missing teeth
Extra teeth
Impacted teeth
Dental caries 
Periodontal disease 
Tooth abnormalities
Retained roots 
Cysts and tumors