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Dental Radiology

Semester 1 study

QuestionAnswer
Radiation is defined as: A form of energy carried by waves or streams of particles.
Which of the following statements is true regarding the importance of dental radiographs? Many dental diseases are typically discovered only through the use of dental radiographs.
The x-ray was discovered by: Wilhelm Roentgen
Who exposed the first dental radiograph in the United States using a live person? Edmund Kells
Which of the following statements is true regarding dental x-ray film and formation of the latent image? The film is placed to the lingual of the teeth.
The latent image is stored by the ____ in dental x-ray film. Silver halide crystals
Which of the following types of dental x-ray film is placed inside the mouth? Intraoral film
A two-film packet requires ____ exposure time as a one-film packet. The same
The identification dot is used to: Determine film orientation.
The tube side of the dental film packet: Is solid white.
Which type of intraoral film is used to examine the crowns of both the maxillary and the mandibular teeth on one film? Bite-wing film
The apex (tip) of the tooth roots may be seen on which type(s) of intraoral film? Periapical and occlusal
Which type of intraoral film is best for visualizing interproximal surfaces? Bite-wing
A # ____ size film is a standard adult periapical film. size 2 film
Which size of bite-wing film is used to examine posterior teeth in very small children? 0
A size # ____ film is the most frequently used bite-wing film. size 2
A fast film responds more quickly than a slow film, because: The silver halide crystals in the emulsion are larger.
Film is best stored in an area that is: Cool and dry.
The film base is ____ mm thick. 0.2
The film emulsion is: Attached to both sides of the film.
The film emulsion is composed of a homogenous mixture of: Gelatin and silver halide crystals
Retakes resulting in unnecessary patient exposure to x-radiation must be avoided: At all times.
To avoid occupational exposure to x-radiation, the dental radiographer must always: (Note: Though all are true, one is the most critical and encompasses the others.) Avoid the primary beam.
Radiographs enable the dental professional to see ____ conditions that may otherwise go undetected. Many
When radiographs are properly prescribed, exposed, and processed, the benefit of disease detection ____ the risk of small doses of x-radiation. Far outweighs
The position-indicating device (PID) is an extension of the: Tubehead
The ____ activate(s) the machine to produce x-rays. exposure button
During an exposure: The exposure button is firmly depressed until the preset exposure time is completed.
Which of the following statements is true of the film holder? It is required when using the intraoral paralleling technique.
The ____ intraoral radiographic examination is used to examine the entire tooth (crown and root) and supporting bone. Periapical
Created by: amberclark18
 

 



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