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Question 1

The dental radiograph is a ___-dimensional picture of a ___-dimensional object.

Answer 1

Two; three

Question 2

The superior foramina of the incisive canal are ___ tiny openings or holes in bone

Answer 2

Two

Question 3

Which of the following radiographic landmarks would appear radiolucent?

Answer 3

Suture

Question 4

The ___ is a marked prominence of bone found on the anterior superior ramus of the mandible

Answer 4

Coronoid process

Question 5

Only the ___ border of the orbit is visible on most panoramic radiographs.

Answer 5

Inferior

Question 6

A foraman is a(n).

Answer 6

Opening or hole in bone that permits the passage of nerves and blood vessels.

Question 7

Bitewing images show:

Answer 7

The crowns of the upper and lower teeth on one image

Question 8

The sizes available for bitewing film include:

Answer 8

0,1,2,3

Question 9

When vertical bitewing exposures are indicated, size ___ film is placed with the long portion of the film in a ___ direction.

Answer 9

2, vertical

Question 10

Which of the following would appear most radiopaque?

Answer 10

Amalgam

Question 11

Which of the following would appear the most radiolucent on a radiograph?

Answer 11

Pulp

Question 12

It is difficult radiographically to differentiate dentin from:

Answer 12

Cementum

Question 13

On a panoramic radiograph, which of the following structures appears as a radiolucency?

Answer 13

Pterygomaxillary fissure

Question 14

The mental fossa is located ___ the mental ridge in the mandibular ___ region.

Answer 14

Above;incisor

Question 15

On a maxillary periapical radiograph, the nasal septum may be superimposed over the:

Answer 15

Median Palatal Suture

Question 16

The use of dental images include the detection of:

Answer 16

Bone loss in its early stages

Question 17

The x-ray was discovered on November 8, 1895, by:

Answer 17

Wilhelm Conrad Roentgen

Question 18

The dentist who is credited with the first practical use of radiographs in dentistry in 1896 is:

Answer 18

C. Edmund kells

Question 19

The term ___ is used to describe areas that appear dark on the image; ___ is the term used to describe areas that are white or light gray.

Answer 19

Radiolucent; Radiopaque

Question 20

The bitewing view is used for detecting:

Answer 20

• Periodontal Disease

- Interproximal Decay

Question 21

Incorrect horizontal angulation of the PID results in:

Answer 21

Overlapped Contact area

Question 22

Incorrect vertical angulation can result in an image that is:

Answer 22

• Elongated

- Overlapped

Question 23

Because of the curvature of the arch, a total of ___ bitewing views are taken on an adult patient.

Answer 23

Four

Question 24

The bitewing view shows the:

Answer 24

• Crowns and interproximal areas of the maxillary and mandibular teeth
• Crestal bone

Question 25

When taking a premolar bitewing image, the anterior edge of the film sensor should be placed:

Answer 25

In the middle of the canine

Question 26

Bitewing projections can not be used to detect:

Answer 26

Root Fractures

Question 27

Size 3 film is ___ and is used only for ___ images.

Answer 27

Longer and Narrower, Bitewing

Question 28

What is the most important use of radiology in the dental practice?

Answer 28

For diagnosis

Question 29

Which of these structures appear radiolucent?

Answer 29

Dental pulp

Question 30

Which of the following structures appears radiopaque?

Answer 30

Maxillary Tuberosity

Question 31

Which of these is not a mandibular landmark?

Answer 31

Incisive foramen

Question 32

Which of these structures appears most radiopaque?

Answer 32

Enamel

Question 33

Which of these structures appears radiopaque?

Answer 33

Lamina Dura

Question 34

Which of these structures appears radiolucent?

Answer 34

Chronic abscess

Question 35

Where is the inverted Y formation found?

Answer 35

Where the Nasal Fossa and the Maxillary sinus meet

Question 36

When viewing the Genial Tubercles, you are observing a film in the ___ area.

Answer 36

The Mandibular incisive

Question 37

The mental foramen is best observed in the:

Answer 37

Mandibular Premolar Area

Question 38

Horizontal angulation is the:

Answer 38

Movement of the tubehead side to side

Question 39

The inventor of x-rays is:

Answer 39

Roentgen

Question 40

Which of the following would appear on a bitewing radiograph?

Answer 40

Caries

Question 41

In which position should the patient be placed for a bitewing radiograph?

Answer 41

Upright

Question 42

A bitewing radiograph shows:

Answer 42

Caries, faulty restorations, and alveolar crest

Question 43

Vertical angulation in radiographic projections regulates:

Answer 43

Length of an image

Question 44

The incisive foramen is best observed in:

Answer 44

Maxillary incisor area

Question 45

Radiolucent means:

Answer 45

Tooth or structures appear dark on a film

Question 46

The nasal septum is a:

Answer 46

Bone structure that separates the right and left nasal fossa

Question 47

The retromolar pad is located:

Answer 47

Behind mandibular molars

Question 48

Maxillary Tuberosity is located:

Answer 48

Behind maxillary molars

Question 49

Objects that appear white or light gray on a radiograph are termed:

Answer 49

Radiopaque

Question 50

What is the appearance of the pulp on a radiograph?

Answer 50

Radiolucent

Question 51

The nasal fossa is:

Answer 51

Radiolucent

Question 52

How are mandibular molars recognized on a radiograph?

Answer 52

Bifurcated roots

Question 53

What will identify a radiograph as that of a maxillary central incisor area?

Answer 53

Median suture

Question 54

The detection of interproximal caries is seen best with a (an):

Answer 54

Bitewing film

Question 55

What is the name of the diagonal radiopaque line visible at the lower part of the roots of the mandibular molars?

Answer 55

Internal oblique ridge

Question 56

What is the small circular radiolucency near the roots of the mandibular premolars called?

Answer 56

Mental foramen

Question 57

What term describes the u-shaped radiopaque structure often seen in maxillary molar films?

Answer 57

Coronoid process

Question 58

What is the thin radiopaque band between the maxillary central incisors called?

Answer 58

Nasal septum

Question 59

What term describes the heavily radiopaque midpoint of the mandible?

Answer 59

Symphysis

Question 60

What is the large radiolucent area shown on maxillary molar radiographs called?

Answer 60

Maxillary sinus

Question 61

What is the long, narrow and radiolucent area visible below the roots of the mandibular molars called?

Answer 61

Mandibular canal

Question 62

What is the radiopaque circular area below the apicies of the mandibular incisors called?

Answer 62

Genial tubercles