LO1 LS2 - Discuss Highlights in the Discover of X-Radiation

LO1 LS2 (Term 1) - Information taken from RDGR 161 PP & Brightspace content

1895

when was the discovery of x-radiation

Wilhelm Roentgen

discovered x-radiation accidently in 1895 by a German scientist, ______ ______ (ren-ken)

the movement of electrons through glass vacuum tubes

what was Wilhelm Roentgen (ren-ken) studying when he discovered x-rays

unknown

x-rays = ____

due to its unknown nature

why did Wilhelm Roentgen call this radiation X

1896

when was the first dental radiograph produced

the first Noble Prize in Physics for “Making Darkness Visible” principle

Roentgen received various honours, what prize did Wilhelm Roentgen win in 1901

Roentgen’s wife’s hand

whose hand did he famously place on a plate and expose for 15 minutes to produce the first radiograph of the human body

1896

when was the first dental radiographs

Dr. Friedrich Otto Walkhoff

who took the first dental radiograph of his teeth, with an exposure time of 25 minutes

Dr. C Edmund Kells

who took the first dental radiograph of on live patients

Dr. W. H. Rollins

in 1901, who wrote the first paper on the dangers of radiation

William David Coolidge

in 1913, who developed the hot cathode x-ray tube, whcih became the standard for dental radiography

image accuracy

in 1920s, the paralleling technique was for taking dental radiographs was introduced, improving ____ _____

panoramic radiograph

in 1955, the first ____ ______ machine was developed, allowing a full view of the jaws and teeth

recessed long-beam tube head

in 1966, what was the prototype for modern x-rays tubes

radiation exposure

in 1980s, digital radiography began to be used in dentistry, reducing _____ _____ and improving image quality

three-dimensional imaging

in 1990s, CBCT technology was introduced, providing _____ ______ for more detailed diagnosis and treatment planning

Cone-Beam Computed Tomography

what does CBCT stand for

diagnostic capabilities & patient care

by the early 2000s, digital radiography had become widely adopted in dental practices, enhancing _____ _____ & _____ _____

film

scientists started using ____ early on to capture x-ray images

black paper & rubber

when using film early on in 1896-1913, glass photographic plates were hand wrapped in ____ ____ & _____

film packets

in 1920, machine-made ____ ____ were developed

bitewing (BW)

the _____ technique was developed in 1925

paralleling technique

what technique was first used by Dr. C. Edmond Kells in 1920

Dr. Fitzgerald

the paralleling technique was perfected in 1947 by _____

panoramic x-ray

the first ____ ____ was done by Dr. H. Numata of Japan in 1933

digital imaging

_____ ____ began in 1987 in France

1996

cone beam computed tomography (CBCT) or 3D imaging began in ____