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DANB RHS Exam > Chapter 21: Bite-wing Technique > Flashcards

Chapter 21: Bite-wing Technique Flashcards

Principles, Equipment and Guidelines of the Bite-wing Technique

1
Q

Define the term: 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

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2
Q

Define the term: alveolar crest / crestal bone

A
  • the most coronal portion of alveolar bone found between teeth
  • composed of cortical bone (appears radiopaque)
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3
Q

Define the term: horizontal angulation

A

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

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4
Q

Define the term: positive vertical angulation

A

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

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5
Q

When using the bite-wing technique, what does incorrect horizontal angulation cause on the image?

A

overlapped contacts

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6
Q

Define the term: 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

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7
Q

Define the term: interproximal examination

A

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

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8
Q

Define the term: interproximal advanced caries

A

caries located between two teeth that extends to the dentino-enamel junction or through the dentino-enamel junction and into the dentin but does not extend through the dentin more than half the distance towards the pulp (appears radiolucent)

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9
Q

Define the term: negative vertical angulation

A

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

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10
Q

Define the term: mandibular teeth

A

teeth located in the mandible or lower arch

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11
Q

Define the term: 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
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12
Q

Define the term: interproximal caries

A

caries located between two adjacent teeth (appears radiolucent)

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13
Q

Define the term: anterior

A

towards the front

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14
Q

What modification may be made for a patient with extracted teeth when using the bite-wing technique?

A

the dentist may determine that the patient needs only one bite-wing image per side, if all present teeth can be captured in one image

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15
Q

Define the term: intraoral

A

inside the mouth

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16
Q

Define the term: bite-wing technique / interproximal technique

A

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

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17
Q

Why is positive vertical angulation needed for the bite-wing technique?

A

the +10 degrees compensates for the slight bend of the upper portion of the image receptor and the slight tilt of the maxillary teeth

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18
Q

Define the term: vertical angulation

A

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

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19
Q

Define the term: Stabe Biteblock

A

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

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20
Q

Define the term: Rinn Snap-A-Ray Holder

A

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

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21
Q

Define the term: central ray (CR)

A

the central portion of the primary beam of x-radiation

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22
Q

Define the term: parallel

A

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

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23
Q

When using the bite-wing technique, what is the correct horizontal angulation of the central ray of the x-ray beam?

A

the central ray is directed perpendicular to the curvature of the arch and through the contact areas of the teeth

24
Q

Define the term: bite-wing receptor

A

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

25
Q

When using the bite-wing technique, how is the central ray of the x-ray beam directed towards the image receptor?

A

the image receptor is directed through the contacts of the teeth, using a vertical angulation of +10 degrees

26
Q

Define the term: vertical

A

an up-and-down plane

27
Q

Define the term: 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
28
Q

Define the term: interproximal severe caries

A

cares located between two teeth that extend through enamel, through dentin, and more than half the distance toward the pulp (appears radiolucent)

29
Q

Define the term: open contacts

A

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

30
Q

Define the term: 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

31
Q

Define the term: 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
32
Q

When using the bite-wing technique, how is zero angulation achieved?

A

when the position-indicating device and the central ray of the x-ray beam are parallel to the floor

33
Q

Define the term: 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
34
Q

Define the term: image receptor placement

A

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

35
Q

Define the term: horizontal bite-wing

A

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

36
Q

Define the term: vertical bite-wing

A

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

37
Q

Define the term: horizontal

A

a side-to-side plane

38
Q

Define the term: posterior teeth

A

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

39
Q

Define the term: contact areas

A

the areas where adjacent tooth surfaces touch each other

40
Q

Define the term: interproximal

A

between two adjacent surfaces

41
Q

Why is a horizontal bite-wing commonly contraindicated for patients with periodontal disease?

A

the horizontal bite-wing may not extend far enough to show the amount of bone loss

42
Q

Define the term: perpendicular

A

intersecting at or forming right angles

43
Q

Define the term: bite-wing tab / bite loop / bite tab

A

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

44
Q

When using the bite-wing technique, what is the correct vertical angulation of the central ray of the x-ray beam?

A

+10 degrees

45
Q

Define the term: interproximal moderate caries

A

caries located between two teeth that extends more than halfway through the thickness of the enamel but does not involve the dentino-enamel junction (appears radiolucent)

46
Q

Define the term: exposure sequence

A

a defined order to place and expose intraoral receptors

47
Q

Define the term: intraoral imaging examination

A

a dental imaging inspection of teeth and intraoral adjacent structures

48
Q

Are vertical angulations below the occlusal plane considered positive or negative?

A

negative

49
Q

Define the term: alveolar bone

A

bone of the maxilla and mandible that supports and encases the roots of teeth (appears radiopaque)

50
Q

Define the term: interproximal incipient caries

A

caries located between two teeth that extends less than halfway through the thickness of the enamel (appears radiolucent)

51
Q

When using the bite-wing technique what error can occur with an edentulous area if you do not place cotton rolls around the image receptor?

A

the bite-wing tab or the beam alignment device is not supported, and can result in a tipped occlusal plane on the image

52
Q

Are vertical angulations above the occlusal plane considered positive or negative?

A

positive

53
Q

Define the term: angulation

A

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

54
Q

Define the term: bite-wing image

A

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

55
Q

Define the term: target-object distance

A

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

56
Q

When using the bite-wing technique, how is the image receptor placed intraorally?

A

parallel to the crowns of both the maxillary and mandibular teeth

57
Q

Define the term: maxillary teeth

A

teeth located in the maxilla or upper arch

DANB RHS Exam (26 decks)

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