Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

DANB RHS Exam (new) > Intraoral Imaging Techniques > Flashcards

Intraoral Imaging Techniques Flashcards

1
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

alveolar crest / crestal bone

A
  • the most coronal portion of alveolar bone found between teeth
  • composed of cortical bone (appears radiopaque)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

angle (geometry term)

A

in geometry, a figure formed by two lines diverging from a common point

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

right angle (geometry term)

A

in geometry, an angle of 90 degrees formed by two lines perpendicular to each other

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

angulation

A

the alignment of the central x-ray beam in the horizontal and vertical planes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

horizontal angulation

A

the positioning of the position-indicating device in a horizontal plane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

negative vertical angulation

A

the positioning of the position-indicating device below the occlusal plane that directs the central ray upward

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

positive vertical angulation

A

the positioning of the position-indicating device above the occlusal plane that directs the central ray downward

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

vertical angulation

A

the positioning of the position-indicating device in a vertical plane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

beam alignment device

A
  • a device used to align the position-indicating device in relation to tooth and image receptor
  • positions the intraoral image receptor in the mouth and retains the image receptor in position during exposure
  • helps stabilize the image receptor in the mouth and reduces the chances of movement, thus reducing the patient’s exposure to x-radiation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

bisect

A

to divide into two equal parts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

bisecting technique

A
  • an intraoral imaging technique used to expose periapical receptors
  • the image receptor is placed along the lingual surface of the tooth, the central ray of the x-ray beam is directed perpendicular to the imaginary bisector formed by the image receptor and the long axis of the tooth
  • receptor holder is used to stabilize the image receptor
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

imaginary bisector

A
  • an imaginary plane that divides in half the angle formed by the image receptor and the long axis of the tooth
  • creates two equal angles and provides a common side for the two imaginary equal triangles
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

horizontal bite-wing

A

the bite-wing receptor is placed in the mouth with the long portion of the receptor in a horizontal direction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

vertical bite-wing

A

the bite-wing receptor is placed in the mouth with the long portion of the receptor in a vertical direction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

bite-wing tab / bite loop / bite tab

A

a heavy paperboard tab or loop fitted around an intraoral image receptor during exposure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

bite-wing technique / interproximal technique

A

an intraoral imaging technique in which the interproximal surfaces of teeth are examined

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

buccal object rule

A
  • a method used to illustrate the orientation of structures portrayed in two images exposed at different angulations
  • used to determine the buccal-lingual relationship of an object
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

central ray (CR)

A

the central portion of the primary beam of x-radiation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

complementary metal oxide semiconductor-active pixel sensor (CMOS-APS)

A
  • silicon-based detector used in digital imaging
  • differs from the charge-coupled device in the way that pixels are read*
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

full mouth series (FMX) / complete mouth series (CMS)

A

an intraoral series of dental images that show all of the tooth-bearing areas of the upper and lower jaws

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

cone-cut

A

a clear, unexposed area on a dental image that occurs when the position-indicating device is misaligned and the x-ray beam is not centered over the image receptor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

contact areas

A

the areas where adjacent tooth surfaces touch each other

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

open contacts

A

on a dental image, appears as a thin radiolucent line between adjacent tooth surfaces

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

overlapped contacts

A

on a dental image, the area where the contact area of one tooth is superimposed over the contact areas of an adjacent tooth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

contrast

A
  • how sharply dark and light areas are differentiated or separated on an image
  • the difference in the degrees of blackness (densities) between adjacent areas on a dental image
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

high contrast

A

a term describing an image with many very dark areas and very light areas and few shades of gray

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

long-scale contrast

A
  • a term describing an image with many densities, or many shades of gray
  • results from the use of a higher kilovoltage range
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

low contrast

A

a term describing an image with many shades of gray and few areas of black and white

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

scale of contrast

A

the range of useful densities on a dental images

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

short-scale contrast

A
  • a term describing an image with predominately areas of black and white
  • results from the used of a lower kilovoltage range
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

subject contrast

A

the characteristics of the subject (patient) that influence contrast, including the size and thickness of the patient

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

control devices

A
  • the components of the control panel of the x-ray machine that regulate the x-ray beam
  • includes the timer, kilovoltage and milliamperage selectors
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

density

A

the overall darkness or blackness of an image

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

dentulous

A
  • with teeth
  • areas that exhibit teeth
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

diagnosis

A

identification of a disease by examination or analysis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

digital image

A

an image composed of pixels

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

digital imaging

A

a system of filmless imaging used to capture an image using a sensor, breaking it into electronic pieces, and presenting and storing the image using a computer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

object-receptor distance

A
  • the distance from the object being imaged *(tooth)) to the image receptor influences image magnification
  • less image magnification results when the tooth and the image receptor are as close as possible, and more magnification results when the tooth and receptor are far apart
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

target-object distance

A

the distance from the source of x-rays (tungsten target in the anode) to the object being imaged (tooth)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

target-surface distance

A

the distance from the source of x-rays (tungsten target in the anode) to the surface of the patient’s skin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

distortion

A
  • a geometric characteristic that refers to a variation in the true size and shape of the object being imaged
  • influenced by object-receptor alignment and the vertical angulation of the x-ray beam
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

edentulous

A
  • without teeth
  • an area where teeth are no longer present
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

edentulous patient

A

a patient without teeth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

edentulous zone

A

an area where teeth are no longer present

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

elongated image

A

an image of a tooth that appears long and distorted

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

elongation

A
  • a term used in imaging to describe an image of a tooth that appears longer than the actual tooth
  • results from flat or insufficient vertical angulation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

exposure

A

a measure of ionization produced in air by x-radiation or gamma radiation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

exposure factors

A

factors that influence the density of an image (ex: milliamperage, kilovoltage, exposure time)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

exposure sequence

A

a defined order to place and expose intraoral receptors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

forshortened image

A

an image of a tooth that appears short and distorted

52
Q

forshortening

A
  • a term describing the image of a tooth that appears shorter than the actual tooth
  • results from steep or excessive vertical angulation
53
Q

hypotenuse (geometry term)

A

in geometry, the side of a right triangle opposite the right angle

54
Q

image

A

a picture or likeness of an object

55
Q

bite-wing image

A

intraoral image that is used to examine the interproximal surfaces of teeth

56
Q

dental image

A

a two-dimensional representation of a three-dimensional object produced by the passage of x-rays through teeth and supporting structures

57
Q

diagnostic image

A

a dental image that allows for the identifying and monitoring of diseases or injuries

58
Q

double image

A
  • an exposure error that occurs when a PSP receptor is exposed twice in the patient’s mouth
  • appears dark as the result of two superimposed images
59
Q

intraoral image

A
  • an image the results when an image receptor is placed inside the mouth and exposed to x-rays
  • used to examine teeth
60
Q

overexposed image

A

an exposure error that results in a dark image from excessive exposure time, kilovoltage, or milliamperage, or a combination of these factors

61
Q

periapical image

A

intraoral image that is used to examine the crowns and roots of teeth

62
Q

image receptor

A

a recording medium (ex: PSP plate, digital sensor)

63
Q

underexposed image

A

an exposure error that results in a light image due to inadequate exposure time, kilovoltage or milliamperage, or a combination of these factors

64
Q

dental imaging

A

the creation of digital representation of anatomic structures for the purpose of diagnosis

65
Q

Rinn XCP instrument

A
  • a type of beam alignment device that is used with the paralleling technique
  • includes plastic bite blocks, plastic aiming rings, and metal indicator arms
66
Q

interproximal

A

between two adjacent surfaces

67
Q

interproximal examination

A

an intraoral inspection used to examine the crowns of both maxillary and mandibular teeth on a single image

68
Q

intersecting

A

cutting across or through

69
Q

intraoral

A

inside the mouth

70
Q

intraoral imaging examination

A

a dental imaging inspection of teeth and intraoral adjacent structures

71
Q

inverse square law

A
  • a rule that states that “the intensity of radiation is inversely proportional to the square of the distance from the source of radiation”
  • as distance is increased, the radiation intensity at the object is decreased, and vice versa
72
Q

isometry (geometry term)

A

equality of measurement

73
Q

rule of isometry (geometry term)

A

a geometric principal that states that “two triangles are equal if they have two equal angles and share a common side”

74
Q

lead apron

A

a flexible lead shield used to protect the patient’s reproductive and blood-forming tissues from scatter radiation

75
Q

long axis of a tooth

A

an imaginary line that divides a tooth longitudinally into two equal halves

76
Q

magnification

A
  • a geometric characteristic that refers to an image that appears larger than the actual size of the object it represents
  • influenced by target-receptor distance and object-receptor distance
77
Q

mandible

A

the lower jaw

78
Q

maxilla

A

the upper jaw

79
Q

movement

A

motion of the image receptor or patient during image exposure that results in an image with decreased sharpness

80
Q

parallel (geometry term)

A

moving or lying in the same plane; always separated by the same distance and not intersecting

81
Q

paralleling technique / extension cone paralleling (XCP) technique / right-angle technique / long-cone technique

A
  • an intraoral imaging technique used to expose periapical receptors, where the receptor is placed parallel to the long axis of the tooth, the central ray is directed perpendicular to the receptor and the long axis of the tooth
  • a beam alignment device must be used to keep the receptor parallel to the long axis to the tooth
82
Q

penumbra

A

the unsharpness or blurring of the edges of a structure viewed on a dental image

83
Q

periapical

A

around the apex of a tooth

84
Q

periapical examination

A

a type of intraoral imaging examination used to view the entire tooth (crown and root) and supporting bone

85
Q

perpendicular (geometry term)

A

intersecting at or forming right angles

86
Q

position-indicating device (PID) / cone

A
  • an open-ended, lead-lined cylinder extending from the opening of the tubehead

*aims and shapes the x-ray beam

87
Q

radiolucent

A

the portion of an image that is dark or black, due to the structure readily permitting the passage of the x-ray beam and allowing more x-rays to reach the image receptor

88
Q

radiopaque

A

the portion of an image that is light or white, due to the structure resisting the passage of the x-ray beam and limiting the amount of x-rays that reach the receptor

89
Q

bite-wing receptor

A

an intraoral image receptor used to examine the crowns of both maxillary and mandibular teeth on one image

90
Q

intraoral receptor

A

an image receptor is placed inside the mouth during x-ray exposure to examine teeth and supporting structures

91
Q

periapical receptor

A

an intraoral image receptor used to examine the entire tooth (crown and root) and supporting bone

92
Q

image receptor holder

A

a device used to hold an intraoral image receptor in the mouth and stabilize the receptor’s position during the exposure

93
Q

image receptor placement

A

the specific area where the image receptor must be positioned before exposure

94
Q

contrast resolution

A

the number of gray-scale colors available to be chosen for each pixel in the image

95
Q

right-angle technique

A

a localization technique in which the orientation of structures can be seen in two images (one periapical and one occlusal)

96
Q

Rinn Snap-A-Ray Holder

A

an intraoral receptor holder used to stabilize an image receptor during exposure

97
Q

sensor

A

in digital imaging, an image receptor that is used to capture an intraoral or extraoral image

98
Q

sharpness

A
  • refers to the capability of the image receptor to reproduce the distinct outlines of an object
  • influenced by focal spot size and movement
99
Q

Stabe Biteblock

A

a disposable styrofoam device that can be used to hold an image receptor during exposure

100
Q

storage phosphor imaging

A

an indirect method of obtaining a digital image in which the image is recorded on phosphor-coated plates and then placed into an electronic processor, where a laser scans the plate and produces an image on a computer screen

101
Q

subject thickness

A

the thickness of soft tissue and bone in a patient

102
Q

anterior teeth

A

central incisors, lateral incisors, and canines/cuspids

103
Q

posterior teeth

A

first and second premolars/bicuspids, and first, second and third molars

104
Q

thyroid collar

A

a flexible lead shield used to protect the thyroid gland from scatter radiation during exposure

105
Q

tooth-bearing areas

A

regions of the maxilla and mandible in which the 32 teeth of the human dentition are normally located

106
Q

torus (plural: tori)

A

a bony growth in the oral cavity

107
Q

triangle (geometry term)

A
  • in geometry, a figure formed by connecting three points not in a straight line by three straight-line segments
  • has three angles
108
Q

equilateral triangle (geometry term)

A

in geometry, a triangle with three equal sides

109
Q

right triangle (geometry term)

A

in geometry, a triangle with one 90-degree angle

110
Q

congruent triangles (geometry term)

A

in geometry, triangles that are identical and correspond exactly when superimposed

111
Q

x-radiation

A

a high-energy radiation produced by the collision of a beam of electrons with a metal target in the x-ray tube

112
Q

x-ray beam angulation

A

one of the influencing factors for image distortion that refers to the direction of the x-ray beam

113
Q

anterior

A

towards the front

114
Q

posterior

A

towards the back

115
Q

maxillary teeth

A

teeth located in the maxilla or upper arch

116
Q

mandibular teeth

A

teeth located in the mandible or lower arch

117
Q

vertical

A

an up-and-down plane

118
Q

horizontal

A

a side-to-side plane

119
Q

adjacent / proximal

A

objects next to/touching each other

120
Q

apical

A

towards the apex of a tooth

121
Q

radiopacity / radiodensity

A

an area on a dental image appearing radiopaque (light/white) due to resisting the passage of the x-ray beam and limiting the amount of x-rays that reach the image receptor

122
Q

radiolucency

A

an area on a dental image appears radiolucent ((dark/black) due to readily allowing the passage of the x-ray beam so that more x-rays reach the image receptor

123
Q

apex

A

the area of a tooth that allows for blood vessels and nerves to enter the tooth and maintain the vitality of the tooth

124
Q

non-diagnostic image

A

an image that is not diagnostically accurate due to technique errors and must be retaken

125
Q

target-receptor distance

A

the distance from the source of radiation (tungsten target in the anode) to the image receptor

DANB RHS Exam (new) (16 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions