Chapter 1

Question 1

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

Answer 1

radiation

Question 2

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

Answer 2

X-radiation

Question 3

A beam of energy that has the power to penetrate substances and record image shadows on photographic film or digital sensors.

Answer 3

X-ray

Question 4

The science or 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 in the diagnosis and treatment of disease.

Answer 4

Radiology

Question 5

A two-dimensional representation of a three-dimensional object. In practice, often called an “x-ray”; this is not correct. X-ray (also x ray) is a term that refers to a beam of energy.

Answer 5

radiograph

Question 6

A photographic image produced on an image receptor by the passage of x-rays through teeth and related structures.

Answer 6

Dental radiograph

Question 7

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

Answer 7

radiography

Question 8

The production of radiographs of teeth and adjacent structures by the exposure of an image receptor to x-rays.

Answer 8

dental radiography

Question 9

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

Answer 9

dental radiographer

Question 10

A picture or likeness of an object.

Answer 10

image

Question 11

Creation of digital, print, or film representations of teeth and surrounding structures.

Answer 11

dental image

Question 12

A recording medium; may be a digital sensor, a PSP plate or film.

Answer 12

receptor

Question 13

T/F. -graphy indicates an art or science. -ology is a branch of learning.

Answer 13

true.

Question 14

What is the importance of dental images?

Answer 14

necessary component of patient care
allows detection of conditions not seen clinically
detection detection detection

Question 15

What are the EIGHT uses of dental images?

Answer 15

1. to DETECT diseases and conditions of teeth and bone
2. to CONFIRM or CLASSIFY disease
3. to LOCALIZE lesions or foreign objects
4. to PROVIDE INFO during dental procedures
5. to EVALUATE growth and development
6. to ILLUSTRATE changes due to disease or trauma
7. to DOCUMENT a condition of patient at point in time
8. to AID in development of treatment plan

Question 16

When and who discovered x-rays?

Answer 16

Wilhelm Roentgen in 1895

Question 17

Who took the first dental radiograph in 1896?

Answer 17

Otto Walkoff

Question 18

Who exposed the first dental radiograph in the US using a living person in 1896?

Answer 18

Edmund Kells

Question 19

Who introduced the bisecting technique in 1904?

Answer 19

Weston Price

Question 20

When and who took the first dental radiograph in the US of the skull?

Answer 20

W.J. Morton

Question 21

Who wrote the first paper on the dangers of x-radiation?

Answer 21

W.H. Rollins in 1901

Question 22

Who created the first x-ray tube?

Answer 22

W.D. Coolidge in 1913

Question 23

Who introduced the bitewing technique in 1925?

Answer 23

HR Raper

Question 24

When was the concept of rotational panoramics proposed?

Answer 24

1933

Question 25

Who introduced the paralleling technique?

Answer 25

FG Fitzgerald in 1947

Question 26

When was panoramic radiography introduced?

Answer 26

1948

Question 27

When was d-speed, e-speed and f-speed film introduced?

Answer 27

1955 1981 2000

Question 28

When was dental xeroradiography introduced?

Answer 28

1978

Question 29

When did oral and maillofacial radiology become a specialty in dentistry?

Answer 29

1999

Question 30

When, what and how long was the first radiograph?

Answer 30

1895 (Roentgen) human hand exposure time was 15 minutes

Question 31

When was the first pre-wrapped dental films mades?

Answer 31

1913 by Eastman Kodak Company

Question 32

When was the first dental x-ray machine made?

Answer 32

1923 by Victor X-ray Corp, Chicago

Question 33

When was the intraoral digital radiography introduced?

Answer 33

1987

Question 34

When was the cone-beam computed tomography (cbct) introduced?

Answer 34

1998

Question 35

When was the first variable-kilovoltage dental x-ray machine made?

Answer 35

1957 by General Electric

Question 36

T/F. Digital imaging requires MORE radiation because the digital sensor is LESS sensitive to x-rays than dental film.

Answer 36

False, Digital imaging requires LESS radiation because the digital sensor is MORE sensitive to x-rays than dental film.

Question 37

T/F. Exposure time is 50% - 90% less than what is required for film.

Answer 37

True.

Question 38

Exposure time for digital imaging is ___ seconds compared to ___ seconds with film.

Answer 38

0.05s; 0.02s