Dental Radiography

Front 1

Wilhelm Conrad Roentgen

Back 1

Physicist who discovered the x-ray.

Front 2

Heinrich Geissler

Back 2

Built the first vacuum tube.

Front 3

Johann Wilhelm Hittorf

Back 3

German physicist who used the vacuum tube to study fluorescence.

Front 4

William Crookes

Back 4

An English chemist that redesigned the vacuum tube. Discovered that cathode rats were streams of charged particles.

Hint 4

Protons +

Front 5

Philip Lenard

Back 5

Discovered that cathode rays could penetrate a thin window of aluminum foil in the walls of the glass tubes that cause fluorescent screens to glow. When aluminum was made thicker, the fluorescent screens would not glow.

Hint 5

Glow

Front 6

Otto Walkhoff

Back 6

German dentist who made first radiograph.

Hint 6

Pioneer. Dentist.

Front 7

W.J. Morton

Back 7

New York physician who made the first dental radiograph in the U.S. using a skull. Lectured on the usefulness of radiographs. Made the first full body radiograph.

Hint 7

Merica

Front 8

C. Edmund Kells

Back 8

New Orleans dentist who is credited with the first practical use of radiographs in dentistry. Exposed the first dental radiograph in the U.S. on a living person.

Hint 8

Got cancer in his hands from overexposure.

Front 9

William H. Rollins

Back 9

Developed the first dental x-ray unit.

Hint 9

Burned hand from overexposure.

Pioneer.

Front 10

Frank Van Woert

Back 10

First to use film in intramural radiography.

Hint 10

Pioneer.

Front 11

Howard Riley

Back 11

Established the first college course in radiography for dental students.

Hint 11

Pioneer.

Front 12

William D. Coolidge

Back 12

Developed the first hot cathode X-ray tube, a high-vacuum tube that contained a tungsten filament.