Exam 1: Dental Radiography: Historical Perspective and Future Trends

What is the name of the device that functions to direct the x-ray beam toward the patient?

The development of radiation protection as a science is credited to:

X-radiation was discovered when Roentgen was working with a Crookes tube.

What is the purpose of studying the history of radiography and dental radiography?

The radiographer should help the patient hold the image receptor in place during exposure.

Who developed the hot cathode ray tube?

The rule of isometry is the basis for what dental radiographic technique?

The x-radiation output of the Crookes tube (named after the English chemist William Crookes) could be predetermined and accurately controlled.

Dental assistants and dental hygienists meet an important need by providing each of the following EXCEPT one. Which one is the EXEPTION?

Pointed cones should be used to direct radiation from the x-ray tube to the patient.

What is the technique of choice for intraoral radiography?

Who first determined that x-rays would play a role in dentistry?

The <KT>bisecting technique was the first and earliest radiographic technique for exposing intraoral radiographs because the bisecting technique is based on the rule of isometry.

Digital imaging systems can reduce radiation dosage more than film-based radiography.

Dental x-ray film available today is coated with emulsion on both sides.

What are the two techniques for exposing intraoral dental radiographs?

Panoramic radiology became popular in the:

Which radiograph displays the entire dentition and surrounding structures?

In the early 1900s, it was common practice for the radiographer to help the patient hold the film in place while making the exposure.

Who is considered to be the first advocate for the science of radiation protection?