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Radiology 1 > Dental Radiography Ch1 > Flashcards

Dental Radiography Ch1 Flashcards

Chapter 1

1
Q

Which of the following is a form of energy carried by waves or a stream of particles?
a) Radiograph
b) Radiation
c) X-ray
d) Film

A

b) Radiation

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2
Q

Who developed the first dental x-ray unit?
a) Frank Van Woert
b) William H. Rollins
c) Yrjo Paatero
d) WJ Morton

A

b) William H. Rollins

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3
Q

What is X-radiation?

A

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

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4
Q

Which of the following is NOT considered an X-ray?
a) Photographic film
b) Digital sensor
c) IP
d) Radiograph

A

d) Radiograph

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5
Q

What is the definition of radiology?

A

The study of radiation used for diagnostic and therapeutic purposes

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6
Q

Which of the following used Kodak film for the first time?
a) Frank Van Woert
b) Howard Riley Raper
c) C. Edmund Kells
d) Otto Walkhoff

A

a) Frank Van Woert

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7
Q

A radiograph is

A

An image produced on a receptor by exposure to ionizing radiation

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8
Q

What is the importance of dental radiographs in patient care?

A

They assist in diagnostic and treatment planning.

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9
Q

What is the role of a dental radiographer?

A

Positioning, exposing, and processing dental x-ray image receptors

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10
Q

Who took the first dental radiograph in 1895?

A

Otto Walkhoff

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11
Q

Which dentist invented the paralleling technique?
a) Howard Riley Raper
b) WJ Morton
c) C. Edmund Kells
d) Franklin McCormack

A

c) C. Edmund Kells

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12
Q

What is the bisecting angle technique?

A

A radiographic technique for periapical radiographs

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13
Q

Which of the following was the “father of radiation protection”?
a) William H. Rollins
b) Franklin McCormack
c) Yrjo Paatero
d) Howard Riley Raper

A

a) William H. Rollins

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14
Q

What innovation did William J. Updegrave contribute to dental radiography?

A

XCP film holder

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15
Q

What is the significance of digital imaging in dental radiology?

A

It allows for instant transmission and storage of images

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16
Q

In what year was the first intraoral sensor introduced?

A

1987

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17
Q

Which of the following individuals introduced the paralleling technique?
a) Otto Walkhoff
b) C. Edmund Kells
c) Franklin McCormack
d) Howard Raper

A

c) Franklin McCormack

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18
Q

When did the ADA recognize Oral and Maxillofacial Radiology as a specialty?

A

1999

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19
Q

What was the first commercially manufactured panoramic unit called?

A

Panorex

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20
Q

What type of radiograph is produced when x-rays pass through teeth?

A

Dental radiograph

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21
Q

In radiographic history, who was known for promoting radiation safety?

A

William Rollins

22
Q

Which of the following is an advantage of digital imaging?
a) Increased radiation exposure
b) Instant viewing and easy transmission
c) Difficulty storing images
d) None of the above

A

b) Instant viewing and easy transmission

23
Q

Who is considered the father of panoramic radiography?
a) Yrjo Paatero
b) William Rollins
c) C. Edmund Kells
d) Howard Riley Raper

A

a) Yrjo Paatero

24
Q

Which of the following is an advantage of digital imaging?
a) Increased radiation exposure
b) Instant viewing and easy transmission
c) Difficulty storing images
d) None of the above

A

Instant viewing and easy transmission

25
Q

Who developed the bitewing technique?

A

Howard Riley Raper

26
Q

What year was the paralleling technique first introduced?

A

1896

27
Q

What is the primary benefit of using radiographs during dental procedures?

A

Localizing lesions or foreign objects

28
Q

Which of the following is NOT a form of dental radiographic technique?
a) Panoramic radiography
b) Bisecting angle technique
c) Paralleling technique
d) Ultrasound imaging

A

Ultrasound imaging

29
Q

What year was the bitewing technique introduced?

A

1925

30
Q

Which year marked the development of variable kilovoltage in dental x-ray machines?
a) 1957
b) 1947
c) 1966
d) 1923

A

a) 1957

31
Q

What is the significance of recessed anode technology in x-ray units?

A

It allows for long beam paralleling technique.

32
Q

What is CBCT?

A

Cone-beam computed tomography

33
Q

When was CBCT first introduced in dental imaging?
a) 1999
b) 1987
c) 1966
d) 1989

A

a) 1999

34
Q

What is a dental radiograph?

A

A photographic image is created on a receptor by passing X-rays through teeth and related structures.

35
Q

Which of the following is a disadvantage of early dental x-ray film?
a) It was cheap to produce
b) It was explosive
c) It provided clear images
d) It had fast exposure times

A

b) It was explosive

36
Q

What was the first film to be machine-made for dental use?

A

Periapical film

37
Q

Which radiographic technique was redefined in 1925?
a) Panoramic radiography
b) Paralleling technique
c) Bisecting angle technique
d) CBCT

A

Bisecting angle technique

38
Q

What is the role of Oral and Maxillofacial Radiology (OMFR)?

A

Study and management of diseases of the oral and maxillofacial region

39
Q

Which of the following is NOT a discovery associated with dental radiography?
a) Bisecting angle technique
b) Paralleling technique
c) CBCT
d) Ultrasound imaging

A

d) Ultrasound imaging

40
Q

Which type of film was first produced by Eastman Kodak?
a) Prewrapped intraoral film
b) Extraoral film
c) Panoramic film
d) CBCT

A

a) Prewrapped intraoral film

41
Q

Who is considered the “father of modern dental radiography”?

A

F. Gordon Fitzgerald

42
Q

The term “radiograph” refers to

A

The image produced by X-rays

43
Q

What type of radiation is used in dental radiography?

A

X-rays

44
Q

Which of the following is NOT a property of X-rays?
a) They travel in straight lines
b) They are visible to the human eye
c) They can penetrate substances
d) They can cause biological changes in tissues

A

b) They are visible to the human eye

45
Q

Who is recognized for developing the first X-ray film packet?

A

Eastman Kodak

46
Q

What does “radiation” in radiography refer to?

A

A form of energy carried by waves

47
Q

Howard Raper is known for introducing which technique in radiography?

A

Bitewing

48
Q

C. Edmund Kells is known for

A

Being the first to use dental X-rays in the U.S.

49
Q

Who is credited with the discovery of X-rays?
a) William Crookes
b) Wilhelm Conrad Roentgen
c) Thomas Edison
d) Marie Curie

A

b) Wilhelm Conrad Roentgen

50
Q

What is an image receptor?

A

A device that changes an x-ray beam into a visible image.

51
Q

The bisecting technique was first introduced by

A

Weston Price

52
Q

What material was initially used to capture dental X-rays?

A

Glass plates

Radiology 1 (5 decks)

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