Radiology History (Lec 1)

Question 1

Who discovered X-ray radiation by accident in November of 1895?

Answer 1

Wilhelm Conrad Von Roentgen

Question 2

Responsible for generating cathode rays from glass cathode bulbs; also generated a different type of ray with unusual properties (X-ray):

Answer 2

Wilhelm Conrad Von Roentgen

Question 3

Received a Nobel prize in physics 1901 for X-ray radiation:

Answer 3

Wilhelm Conrad Von Roentgen

Question 4

A dentist in Braunschweig Germany who produced the first dental radiographs, less than two weeks after Roentgen’s announcement of the “X-ray discovery”:

Answer 4

Otto Walkhoff

Question 5

Placed a small glass photographic plate coated with rubber dam in his own mouth, then seated himself for a 25 minute exposure:

Answer 5

Otto Walkhoff

Question 6

When is the 125th anniversary for the dental radiograph?

Answer 6

January 12th 1896

Question 7

This image shows a dental radiograph taken by _____ on February 1st 1869

What were the exposure times (maxillary & mandibular for this photo)

Answer 7

Dr. Walter Konig

Maxillary: 9 min
Mandibular: 5 min

Question 8

-invented the first surgical aspirator for dental & medical surgery

-one of the first dentist to hire a female dental assistant

-first to expose a dental radiograph in the united states

Answer 8

Dr. C. Edmund Kells

Question 9

Who was the first person to expose a dental radiograph in the U.S.?

Answer 9

Dr. C. Edmund Kells

Question 10

-Engineer at G.E. in new york

-modified the X-ray tube for portability for WWI MASH units in France

-Became the prototype for the enclosed X-ray tube

Answer 10

William David Coolidge

Question 11

What is the significant about the design of the X-ray tube from 101 years ago to today?

Answer 11

Minimal design change

Question 12

The “alarming” handheld dental X-ray unit was invented in:

Answer 12

2005

Question 13

The discovery of X-radiation 1895, Germany:

Answer 13

Wilhem Conrad Von Roentgen

Question 14

Produced the first dental radiographs less than 2 weeks after Roentgen’s announcement of x-ray discovery

Answer 14

Otto Von Walkoff

Question 15

Invented first surgical aspiratory for dental and medical surgery:

Answer 15

Edmund Kells

Question 16

First to expose a dental radiograph in the US:

Answer 16

Edmund Kells

Question 17

Modified the x-ray tube for portability for WWI MASH units in France:

Answer 17

David Coolidge

Question 18

Became the prototype for the enclosed X-ray tube. There has been minimal design changes in 98 years:

Answer 18

David coolidge