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18 Cards in this Set

  • Front
  • Back

Which of these is not an intraoral radiograph?

A. bitewing

b. occlusal

c. panoramic

d. periapical

C. Panoramic

Which radiograph is used most often to detect proximal surface dental decay?


Which intraoral technique satisfies more shadow casting principles




which intraoral technique is based on the rule of isometry?


Each of the following is a shadow casting principle except one. Which one?

a. Object and image receptor should be perpendicular to each other

b. Object and image receptor should be as close as possible to each other

c. Object should be as far as practical from the target (source of radiation)

d. Radiation should strike the object and image receptor perpendiculary

A. Object and image receptor should be perpendicular to each other

Which of these factors does NOT need to be considered when deciding which image receptor size to use when exposing a full mouth series?

a. Age of the patient

b. Shape of the dental arches

c. Previous accumulated exposure

d. patients ability to tolerate the image receptor

C. Previous accumulated exposure

What is the minimum image receptor requirement for an adult full mouth series of periapical radiographs

a. 12


c. 16


B. 14

How many size #2 image receptors are required by most health care practices for the exposure of posterior radiographs of a full mouth series

a. 5




D. 8

Lining the image receptor up behind the right and left central and lateral incisors to include the mesial half of the right and left canines describes the image placement for which of the following periapical radiographs

A. Central Incisors

Anterior periapical image receptors are placed where in the oral oral cavity. Posterior periapical image receptors are placed where in the oral cavity?

a. Vertically; horizontally

b. horizontally; vertically

c. Vertically; vertically

d. horizontally; horizontally

A. vertically and Horizontally

Where should the embossed identification dot be positioned when taking periapical radiographs.

a. Toward the midline of the oral cavity

b. Toward the incisal or occlusal edge of the tooth

c. Toward the palate or floor of the mouth

d. Toward the distal or back of the arch

B. Toward the incisal or Occlusal Edge of the tooth

The x-ray tube head must be swiveled from side to side to adjust the vertical angulation of the central ray

To avoid overlap errors the central ray must be directed perpendicular to the curvature of the arch through the contact points of the teeth.

Which statements are true?

D. First statement is False

Second Statement is True

At which of the following settings would the PID be pointing to the floor?

a. -30

b. 0

c. +20

C. + 20

An incorrect point of entry will result in?



Cutting off the root apices


D. Conecutting

List five contraindications for using the patient's finger to hold a film packet in position during exposure

Potential for bending the image receptor

Radiation exposure to the patients fingers


Potential to move the image receptor

Increased patient instruction and cooperation required

An image receptor positioner/holder must be used with?

a. the paralleling technique

b. The bisecting technique

c. The bitewing technique

d. All of the above

D. All of the above

Which of the following is the correct seating position for the patient during radiographhic examination when an image receptor without an external aiming device is used?

A. Occlusal plane parallel and midsaggital plane perpendicular to the floor

Which of the following is the best sequence for exposing the full mouth series of periapical radiographs ?

Maxillary Anterior

Mandibular Anterior

Maxillary posteriors

Mandibular posteriors