Exam 1 - 9. Prescription and Interpretation of Radiographs

Question 1

5

What are 5 indications for periapical radiographs?

Question 2

6

What are indications for bitewing radiographs?

Question 3

9

For a new patient with primary dentition whose proximal surfaces cannot be probed, what types of radiographs should be done?

Question 4

9

For a new patient with primary dentition and no evidence of disease, are radiographs needed?

Question 5

9

For a new patient with transitional dentition, what types of radiographs should be done?

Question 6

9

For a new patient with permanent dentition what radiographs should be done for individual radiographic examinations?

Question 7

9

For a new patient with permanent dentition and clinical evidence of dental disease OR extensive dental treatment, what type of radiographs should be done?

Question 8

9

For a new patient who is edentulous, when are radiographs done?

Question 9

10

For a recall patient with clinical caries or increased risk for caries and proximal surfaces cannot be probed, what radiographs are needed for primary, transitional, and permanent teeth and what are the intervals needed?

Question 10

10

For a recall patient with clinical caries or increased risk for caries, what is radiographs are needed for adult dentate or partially edentulous and what intervals?

Question 11

10

For a recall patient with no clinical caries and is not at increased risk, and the proximal surfaces cannot be probed, what are the radigraphs and intervals needed for primary, transitional and permanent teeth?

Question 12

10

For a recall patient with no clinical caries, is not at increased risk for caries, and have permanent teeth prior to the eruption of third molars, what are the radiographs and intervals needed?

Question 13

10

For a recall patient with no clinical caries and is not at increased risk for caries and has adult dentate or is partially edentulous, what radiographs and intervals are needed?

Question 14

10

For recall patients with periodontal disease, what radiographs are needed?

Question 15

12

What are 4 specific indications for radiographs besides caries?

Question 16

13

Is radiographic imaging contraindicated in pregnancy?

Question 17

14

We DO NOT screen for _____. The only type of screening allowed in dental radiography are ______!!!

Question 18

21

Radiopaque appears _____. Two examples of radiopacities are _____ and _____.

Question 19

21

Radiolucent appears _______. Two examples of radiolucencies are ___ and ______.

Question 20

25

Root canals are open at the ______.

Question 21

26

The lamina dura is a _____ layer of bone around teeth.

Question 22

27

The alveolar crests are seen as _____ of the alveolar bone and are continuous with the ____.

Question 23

28

The PDL is seen as a narrow ______ between the ____ and the _____

Question 24

28

A double periodontal ligament space and lamina dura (arrows) may be seen when there is a convexity of the proximal surface of the root resulting in ____. Double periodontal ligament spaces may also be seen on the mesial surfaces of both roots of the first molar.

Question 25

29

The trabecular pattern in the anterior maxilla is characterized by _____ trabecular plates and ___________ trabecular spaces.

Question 26

29

The trabecular pattern in the anterior mandible is characterized by ______ trabecular plates and ____ marrow spaces than in the anterior maxilla.

Question 27

29

The trabecular pattern in the posterior mandible is variable, generally showing ____ spaces and ______ trabeculaation.

Question 28

30

The intermaxillary suture appears as a ____ in the midline of the maxilla.

Question 29

30

The anterior nasal spine is seen as an ___, or _____-shaped projection from the floor of the nasal aperture in the midline.

Question 30

32

The anterior floor of the nasal cavity appears as ____ extending ____ from the anterior nasal spine.

Question 31

32

The nasal septum arises directly above the _____ and is covered on each side by ____.

Question 32

34

The floor of the nasal cavity, or hard palate, extended ____ and is superimposed over the _____.

Question 33

35

The incisive foramen appears as an _________ between the roots of the central incisors.

Question 34

36

The lateral walls of the nasopalatine canal extend from the _____ to the ______.

Question 35

37

The lateral fossa is a _____ in the region of the apex of the ____.

Question 36

38

The soft tissue outline of the nose is superimposed on the ______.

Question 37

39

The inferior border of the maxillary sinus appears as a ______ near the apices of the _____ and ____.

Question 38

39

The floor of the maxillar sinus often extends toward the _____ in response to missing teeth.

Question 39

40

What is the anatomical structure where the anterior border of the maxillary sinus crosses the floor of the nasal fossa?

Question 40

43

The zygomatic process of the maxilla protrudes ____ from the maxillary wall. Its size is variable. It is small with thick borders or large with thin borders.

Question 41

44

The nasolabial soft tissue fold extends across the _____ region.

Question 42

45

The pterygoid plates are located ____ to the maxillary _____.

Question 43

45

The hamular process extends _____ from the ____ pterygoid plate.

Question 44

46

The genial tubercles appear as ____ masses.

Question 45

48

The mental ridge is seen as a ____ ridge.

Question 46

49

The mental fossa is a depression on the _____ and is seen as a ____ area with ill-defined borders in the region of the _____.

Question 47

50

The mental foramen appears as an ______ typically near the apex of the _____.

Question 48

50

The mental foramen may simulate ____. However, continuity of the ____ around the apex indicates the absence of periapical abnormality.

Question 49

52

Nutrient canals are demonstrated by ____ cortical borders that descend from the ______ molar.

Question 50

52

Nutrient canals seen as vertical radiolucent structures in the ____ are often associated with ______.

Question 51

54

The mylohyoid ridge is a radiopaque thick line running at the level of the ____ apices and above the _____.

Question 52

54

The submandibular gland fossa is indicated by a radiolucent region with ill-defined borders and sparse trabecular bone lying inferiorly to the ______.

Question 53

55

The external oblique ridge is seen on the _____ surface of the mandible as a radiopque line near the alveolar crest in the _____ region.

Question 54

58

How do amalgam restorations appear on raadiographs?

Question 55

59

How do composite restorations appear?

Question 56

65

How does Porcelain appear over a metal coping?

Question 57

68

During radiographic interpretation, what are 6 things tht need to be examined?

Question 58

68

During radiographic interpretation, what are the 6 findings that need to be recorded?

Question 59

75

What are two possible causes of partial capture of the root?

Question 60

80

To correct a radiograph that did not get the distal surface of the canine of the premolar BW, place the anterior edge of the receptor near the ____ of the canine.

Question 61

82

Incorrect horizontal angulation leads to ____.

Question 62

82

Incorrect vertical angulation leads to _____ or ____ images.

Question 63

83

What is the correct horizontal angulation?

Question 64

88

Sometimes an overlapped contact is not a technqiue error and is just caused by one of the molars being _____.

Question 65

89

Vertical angulation errors are primarily seen when using the _____ technique.

Question 66

92

Elongation is due to ____ vertical angulation.

Question 67

93

Foreshortening is due to ___ vertical angulation.

Question 68

99

What are 4 potential causes of motion artifacts?

Question 69

102

What is the cause of a linear radiopaque artifact on an image? How do you correct it?

Question 70

104

Properly exposed images can be stored for ____ hours while retaining acceptable image quality.

Question 71

105

How do you correct double exposure of plates?

Question 72

106

What causes phantom/ghost images?

Question 73

111

Partial exposure of PSP plates to excessive ambient light before scanning results in _____. This happens when plates are _____ while exposed to ambient light.

Question 74

113

What four things cause underexposure / light images?

Question 75

114

What four things cause overexposure?

Question 76

115

What two things cause low contrast?

Question 77

116

What kVp value is high contrast? Low contrast?