Radiology quiz 1 (copy)

What is required when using the intraoral paralleling technique?

Film Holder

Which intraoral radiographic examination is used to examine the entire tooth (crown and root) and supporting bone?

Periapical

According to the basic principles of the paralleling technique, the film is place in the mouth to the long axis of the tooth being radiographed and the central ray of the x ray beam is directed to the film and long axis of the tooth

Parallel; Perpendicular

True or false

An increased sensor/ film distance from the object results in increased image magnification

True

For adult FMX utilizing the paralleling technique, your textbook recommends using size film for anterior teeth and size film for posterior teeth

Size 1; size 2

For adult FMX, size 1 is always positioned in a direction, size 2 film is always positioned in a direction

Vertical; horizontal

With size 1 film, a total of how many anterior film placements are used in the paralleling technique at RCBC

8

The exposure sequence for an adult FMX always starts with

Maxillary right canine

How many posterior periapical film placements are used in the paralleling technique

8

Reusable film holders must be after each use

Sterilized

Anterior film placements are less likely to cause the patient to gag. Once gag reflex is stimulated the patient may gag on films that could normally be tolerated.

both statements are true

Authors recommend that each film be placed in the bite block with the dot….?

In the slot

Radiation is defined as

A form of energy carried by waves or streams of particles

A radiograph is defined as

A picture on film produced by the passage of x rays through an object or body

Many dental diseases are typically discovered only through the use of

Dental radiographs

The x ray was discovered by

Wilhelm Roentgen

The position-indicating device (PID) is an extension of the

tubehead

When radiographs are properly prescribed, exposed and processed, the benefit of disease detection the risk of small doses of x-radiation

Far outweighs

Retakes results in unnecessary patient exposure to x radiation must be avoided

At all times

Infection control is critical in your dental operatory because pathogens can be transmitted easily through….?

Patient to you, you to patient, patient to patient