1 Flashcards
The dental radiograph is a ___-dimensional picture of a ___-dimensional object.
Two; three
The superior foramina of the incisive canal are ___ tiny openings or holes in bone
Two
Which of the following radiographic landmarks would appear radiolucent?
Suture
The ___ is a marked prominence of bone found on the anterior superior ramus of the mandible
Coronoid process
Only the ___ border of the orbit is visible on most panoramic radiographs.
Inferior
A foraman is a(n).
Opening or hole in bone that permits the passage of nerves and blood vessels.
Bitewing images show:
The crowns of the upper and lower teeth on one image
The sizes available for bitewing film include:
0,1,2,3
When vertical bitewing exposures are indicated, size ___ film is placed with the long portion of the film in a ___ direction.
2, vertical
Which of the following would appear most radiopaque?
Amalgam
Which of the following would appear the most radiolucent on a radiograph?
Pulp
It is difficult radiographically to differentiate dentin from:
Cementum
On a panoramic radiograph, which of the following structures appears as a radiolucency?
Pterygomaxillary fissure
The mental fossa is located ___ the mental ridge in the mandibular ___ region.
Above;incisor
On a maxillary periapical radiograph, the nasal septum may be superimposed over the:
Median Palatal Suture
The use of dental images include the detection of:
Bone loss in its early stages
The x-ray was discovered on November 8, 1895, by:
Wilhelm Conrad Roentgen
The dentist who is credited with the first practical use of radiographs in dentistry in 1896 is:
C. Edmund kells
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.
Radiolucent; Radiopaque
The bitewing view is used for detecting:
- Periodontal Disease
- Interproximal Decay
Incorrect horizontal angulation of the PID results in:
Overlapped Contact area
Incorrect vertical angulation can result in an image that is:
- Elongated
- Overlapped
Because of the curvature of the arch, a total of ___ bitewing views are taken on an adult patient.
Four
The bitewing view shows the:
- Crowns and interproximal areas of the maxillary and mandibular teeth
- Crestal bone
When taking a premolar bitewing image, the anterior edge of the film sensor should be placed:
In the middle of the canine
Bitewing projections can not be used to detect:
Root Fractures
Size 3 film is ___ and is used only for ___ images.
Longer and Narrower, Bitewing
What is the most important use of radiology in the dental practice?
For diagnosis
Which of these structures appear radiolucent?
Dental pulp
Which of the following structures appears radiopaque?
Maxillary Tuberosity
Which of these is not a mandibular landmark?
Incisive foramen
Which of these structures appears most radiopaque?
Enamel
Which of these structures appears radiopaque?
Lamina Dura
Which of these structures appears radiolucent?
Chronic abscess
Where is the inverted Y formation found?
Where the Nasal Fossa and the Maxillary sinus meet
When viewing the Genial Tubercles, you are observing a film in the ___ area.
The Mandibular incisive
The mental foramen is best observed in the:
Mandibular Premolar Area
Horizontal angulation is the:
Movement of the tubehead side to side
The inventor of x-rays is:
Roentgen
Which of the following would appear on a bitewing radiograph?
Caries
In which position should the patient be placed for a bitewing radiograph?
Upright
A bitewing radiograph shows:
Caries, faulty restorations, and alveolar crest
Vertical angulation in radiographic projections regulates:
Length of an image
The incisive foramen is best observed in:
Maxillary incisor area
Radiolucent means:
Tooth or structures appear dark on a film
The nasal septum is a:
Bone structure that separates the right and left nasal fossa
The retromolar pad is located:
Behind mandibular molars
Maxillary Tuberosity is located:
Behind maxillary molars
Objects that appear white or light gray on a radiograph are termed:
Radiopaque
What is the appearance of the pulp on a radiograph?
Radiolucent
The nasal fossa is:
Radiolucent
How are mandibular molars recognized on a radiograph?
Bifurcated roots
What will identify a radiograph as that of a maxillary central incisor area?
Median suture
The detection of interproximal caries is seen best with a (an):
Bitewing film
What is the name of the diagonal radiopaque line visible at the lower part of the roots of the mandibular molars?
Internal oblique ridge
What is the small circular radiolucency near the roots of the mandibular premolars called?
Mental foramen
What term describes the u-shaped radiopaque structure often seen in maxillary molar films?
Coronoid process
What is the thin radiopaque band between the maxillary central incisors called?
Nasal septum
What term describes the heavily radiopaque midpoint of the mandible?
Symphysis
What is the large radiolucent area shown on maxillary molar radiographs called?
Maxillary sinus
What is the long, narrow and radiolucent area visible below the roots of the mandibular molars called?
Mandibular canal
What is the radiopaque circular area below the apicies of the mandibular incisors called?
Genial tubercles
