30 Questions
Which term describes a form of energy carried by waves or a stream of particles?
Radiation
What is the purpose of dental images in patient care?
To detect disease through the use of dental images
What is the science or study of radiation as used in medicine called?
Radiology
Which scientist is credited with the discovery of x-rays?
Wilhelm Conrad Roentgen
Who made the first dental radiograph in the United States?
W. J. Morton
What did Roentgen name his discovery?
x-rays
Who is credited with the first practical use of radiographs in dentistry?
C. Edmund Kells
Which extraoral imaging techniques are commonly used in dentistry?
Panoramic, cephalometric, skull imaging, and cone-beam computer tomography
What are the main components of an extraoral x-ray machine?
Tubehead, positioning devices, and exposure control panel
What is the purpose of a receptor holder in intraoral dental x-rays?
To hold and align intraoral dental x-ray receptors in the mouth
What is the purpose of a beam alignment device in dental radiography?
To help the dental radiographer position the PID in relation to the tooth and the receptor
Which company manufactured the first prewrapped intraoral films in 1913?
Eastman Kodak Company
When did the first machine-made periapical film packets become available?
1920
What technique did F. Gordon Fitzgerald revive in 1947?
Paralleling technique
What does the control panel of a typical intraoral dental x-ray machine consist of?
On-off switch, exposure button, and indicator light
Which term describes a beam of energy that has the power to penetrate substances and record image shadows on receptors?
X-ray
What is the purpose of dental images in patient care?
To detect disease
What is the recording medium used in dental radiography called?
Image receptor
Who is credited with the discovery of x-rays?
Wilhelm Conrad Roentgen
What did Roentgen name his discovery?
X-rays
Who made the first dental radiograph in the United States?
W. J. Morton
Who is credited with the first practical use of radiographs in dentistry?
C. Edmund Kells
Which company introduced the first intraoral imaging sensor in 1987?
France
What is the purpose of the position-indicating device (PID) in an intraoral dental x-ray machine?
To restrict the size of the x-ray beam
What is required for dental x-ray machines manufactured after 1974?
Specific federal guidelines
What is the purpose of the timer in an intraoral dental x-ray machine?
To determine the length of exposure time
Which of the following is NOT a common extraoral imaging technique used in dentistry?
Bitewing
What is the purpose of a bite-block in intraoral dental x-rays?
To separate the anterior teeth for ease of viewing anatomic structures
Which of the following is a type of receptor holder used in intraoral dental x-rays?
Snap-A-Ray
What is the purpose of a collimating device in dental radiography?
To restrict the size of the x-ray beam and limit radiation exposure
Test your knowledge of the history and advancements in dental radiography! Learn about the evolution of film technology and how it has revolutionized the field of dentistry. Discover the improvements in exposure time and film quality, and see how far we've come in capturing accurate dental images.
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