History of Oral and Maxillofacial Radiology Flashcards
1
Q
Wilhelm Conrad Von Roentgen (3)
A
• Born 1845, Lennep Germany • Discovered X- radiation by accident in November 1895 • Nobel Prize in Physics 1901
2
Q
Wilhelm Conrad Von Roentgen
• Generated
A
cathode rays
from glass cathode bulbs
3
Q
Wilhelm Conrad Von Roentgen
Also generated a different
type of ray with unusual
properties – the
A
“X” ray
4
Q
Dr. Walkhoff, a dentist in Braunschweig,
Germany, produced
A
the first dental
radiographs less than two weeks after
Roentgen’s announcement of the “X”-ray
discovery
He placed a small glass photographic plate coated with rubber dam in his own mouth, then seated himself for a twenty-five minute exposure The resulting shadows were less than adequate for any diagnostic purposes, but the applications of the technique were immense.
5
Q
Dental radiograph taken by physicist Dr.
Walter König on February 1, 1896
exposure time difference before and after
A
The exposure time was 9
minutes.
The exposure time was
5minutes.
6
Q
Dr. C. Edmund Kells (3)
A
• Invented first surgical aspirator for dental and medical surgery • one of the first dentists to hire a female dental assistant • first to expose a dental radiograph in the United States
7
Q
William David Coolidge
3
A
• Engineer at G.E. in N.Y. • Modified the x-ray tube for portability for W.W.I. MASH units in France • Became the prototype for the enclosed x-ray tube
