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Radiography > Learning Plan 2 - Vocabulary > Flashcards

Learning Plan 2 - Vocabulary Flashcards

1
Q

What is an angle?

A

A figure formed by two lines diverging from a common point.

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2
Q

What is angulation?

A

The alignment of the central ray of the x-ray beam in both planes.

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3
Q

What is horizontal angulation?

A

The positioning of the PID in a side to side plane.

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4
Q

What is vertical angulation?

A

The positioning of the PID in an up and down plane.

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5
Q

How do you describe negative angulation?

A

The central ray is directed in an upward position.

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6
Q

How do you describe positive angulation?

A

The central ray is directed in a downward position.

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7
Q

What is the difference between a Horizontal and Vertical Bitewing?

A

The position of the bitewing receptor; with the long portion of the receptor horizontal or vertical.

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8
Q

What is the central ray?

A

The central portion of the primary beam of x-radiation.

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9
Q

What is the alveolar bone?

A

The bone of the maxilla and mandible that supports and encases the roots of teeth; appears radiopaque.

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10
Q

What is crestal bone?

A

The most coronal portion of the alveolar bone found between teeth; it composed of cortical bone and appears radiopaque.

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11
Q

What are caries?

A

Tooth decay caused by microorganisms; appears radiolucent.

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12
Q

How would you describe interpoximal?

A

Tooth surfaces adjacent to each other.

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13
Q

What are contact areas?

A

The area where adjacent tooth surfaces touch each other.

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14
Q

What is an open contact?

A

A radiolucent line between two adjacent surfaces.

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15
Q

What are overlapped contacts?

A

The area where the contact area of one tooth is superimposed over the contact area of an adjacent tooth.

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16
Q

What are areas where teeth are no longer present called?

A

Endentulous

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17
Q

What is a right angle?

A

An angle of 90 degrees formed by two lines perpendicular to each other.

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18
Q

What is a receptor holder?

A

A device that holds the receptor.

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19
Q

How would you describe the long axis of a tooth?

A

An imaginary line that divides the tooth longitudally into two equal halves.

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20
Q

What is the object-receptor distance?

A

The distance between the receptor and tooth.

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21
Q

What is parallel?

A

Moving or lying in the same plane; always separated by the same distance and NOT intersecting.

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22
Q

What is the paralleling technique?

A

A technique used to expose periapical receptors.

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23
Q

What is the receptor placed parallel to in the paralleling technique?

A

The receptor is placed parallel to the long axis of the tooth.

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24
Q

How is the central ray placed in conjunction with the receptor in the paralleling technique?

A

Perpendicular both the tooth and receptor.

25
Q

What does perpendicular mean?

A

Intersecting at a point or forming a right angle.

26
Q

What is target-receptor distance?

A

The distance between the source of the x-rays and the receptor.

27
Q

What teeth make up our anterior teeth?

A

Canines and Lateral/Central incisors.

28
Q

What teeth make up our posterior teeth?

A

Molars and Premolars

29
Q

What does it mean to bisect?

A

To divide something into two equal parts.

30
Q

What is the bisecting technique?

A

A method used to expose periapical images.

31
Q

What is an imaginary bisector?

A

A plane that the radiographer must visualize that divides the angle formed by the receptor and long axis of the tooth in half.

32
Q

What is elongation?

A

When an image appears too long.

33
Q

When does elongation occur?

A

When the vertical angle is too flat.

34
Q

What is foreshortening?

A

When an image appears short.

35
Q

When does foreshortening occur?

A

When the vertical angle is too extreme.

36
Q

What is an occlusal projection?

A

An intraoral radiographic examination used to examine the buccal and lingual aspects of the mandible and locate foreign bodies.

37
Q

What is a topographic occlusal projection used for?

A

Used to examine maxillary and mandibular anterior teeth.

38
Q

What is the correct maxillary vertical angle for a topographic occlusal projection?

A

+65

39
Q

What is the correct mandibular vertical angle for a topographic occlusal projection?

A

-55

40
Q

What is the buccal object rule?

Hint: “Slob”

A

When the horizontal angulation of the PID is moved mesial and the object in the image moves the same direction it is lingual if it is buccal it will move in the opposite direction.

41
Q

What is a receptor mount?

A

A cardboard, plastic, or vinyl holder that is used to support and arrange dental radiographs in atomic order.

42
Q

What is receptor mounting?

A

The placement of radiographs in a supporting structure or holder.

43
Q

What is an identification dot or letter?

A

A small raised bump or letter.

44
Q

What is interpretation?

A

The explanation of what is viewed on a dental radiograph.

45
Q

What is a mount?

A

To place in an appropriate setting, as for display or study.

46
Q

What is a viewbox?

A

A light source for viewing mounted radiographs.

47
Q

What is image viewing?

A

Examination of Dental Radiographs.

48
Q

What is a primary beam?

A

The penetrating x-ray beam produced at the target within the x-ray head.

49
Q

What is an occlusal surface?

A

Chewing surface of posterior teeth.

50
Q

What is an occlusal examination?

A

A type of intraoral radiographic examination to inspect large areas of the maxilla or the mandible on one image.

51
Q

What is the occlusal technique?

A

Method used to expose a receptor in occlusal examination.

52
Q

What size is an occlusal receptor?

A

Size 4; the patient bites on the entire receptor.

(size 2 is used for children)

53
Q

What is the Maxillary topographic occlusal projection used for?

A

To examine the palate and the anterior teeth of the maxilla.

54
Q

What is the maxillary lateral occlusal projection used for?

A

To examine the palatal roots of molar teeth.

55
Q

What is the maxillary pediatric occlusal projection used for?

A

To examine anterior teeth of the maxilla for children 5yrs and younger.

56
Q

What is the mandibular topographic occlusal projection used for?

A

To examine the anterior teeth of the mandible.

57
Q

What is the mandibular crossectional occlusal projection used for?

A

To examine the buccal and lingual aspects of the mandible.

58
Q

What is the mandibular pediatric occlusal projection used for?

A

To examine the anterior teeth of the mandible for children 5yrs and younger.

59
Q

What is the localization technique?

A

A method used to locate the position of a tooth or an object in the jaws.

Radiography (11 decks)

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