Radiograph Flashcards Preview

Dental Assisting > Radiograph > Flashcards

Flashcards in Radiograph Deck (19)
Loading flashcards...
1
Q

Ionization

A

The harmful effect of X-ray beans in humans that results in a disruption of cellular structure and causes permanent damage to living cells and tissues.

2
Q

Latent Period

A

Interval between exposure to ionizing radiation and the appearance of symptoms.

3
Q

F-Speed Film

A

Currently the fastest exposure to ionizing radiation.

4
Q

Digital Image

A

Electric representation of a radiograph, a film, or an X-ray image.

5
Q

Radiograph

A

Image produced on conventional dental film.

6
Q

Vertical Angulation

A

Angle measured within the vertical plane at which the central ray of the X-ray beam is projected.

7
Q

Horizontal Angulation

A

Position of the tube head and the direction of the central ray in a horizontal or side-by-side plane.

8
Q

Apex

A

Tapered end of each root tip.

9
Q

Periapical

A

Apex and the surrounding area of the tooth.

10
Q

Radiolucent

A

Image on a radiograph that appears in ranges from shades of gray to black.

11
Q

Radiopaque

A

Image on a radiograph that appears in ranges from shades of light gray to total white or clear.

12
Q

Contrast

A

Differences in the degrees of blackness on a radiograph.

13
Q

Tube head

A

Tightly sealed, heavy metal housing that contains the radiograph.

14
Q

Density

A

The overall blackness of darkness on a radiograph.

15
Q

Panoramic

A

Provides a wide view of the upper and lower jaw.

16
Q

Cephalometric

A

Extoral radiograph exposed to show the bones and soft tissue areas of the facial profile.

17
Q

Collimation

A

Limiting the diameter of the X-ray beam to protect adjacent areas from exposure to radiation.

18
Q

Filtration

A

Use of aluminum filters to remove long (less penetrating) wavelengths from a primary x radiation beam.

19
Q

Bite-Wing

A

Shows images of the crowns of the teeth on both arches on one film.