Deck 19: Film Mounting and Radiographic Anatomy

Question 1

Identify the normal radiographic landmark seen as an oval radiolucency between the roots of teeth #8 and #9:

A)mental foramen
B)incisive foramen
C)lingual foramen
D)alveolar crest

Answer 1

incisive foramen

Question 2

The V-shaped structure seen in the mandibular incisor area is the:

A)mylohyoid ridge
B)internal oblique ridge
C)external oblique ridge
D)mental ridge

Answer 2

mental ridge

Question 3

All of the following landmarks will help with mounting of radiographs EXCEPT:

A)maxillary premolars have two roots;mandibular premolars have one root
B)most roots curve mesially
C)the occlusal plane curves up in the curve of Spee
D)maxillary anterior teeth are wider than mandibular anterior teeth

Answer 3

most roots curve mesially

Question 4

On a routine full-mouth survey it is not possible to see the:

A)mental foramen
B)incisive foramen
C)lingual foramen
D)mandibular foramen

Question 5

On periapical radiographs the external oblique ridge is always seen __________ the internal oblique ridge.

Question 6

Identify the most radiopaque tooth tissue:

A)enamel
B)dentin
C)cementum
D)pulp chamber

Question 7

The radiopaque area seen on the lower distal portion of maxillary molar radiographs is the:

A)maxillary tuberosity
B)styloid process
C)coronoid process
D)hamular process

Question 8

The radiopaque Y in the maxillary canine region represents the junction of the border of the maxillary sinus and the:

A)floor of the nasal cavity
B)anterior nasal spine
C)median palatal suture
D)lateral fossa

Question 9

It is extremely difficult radiographically to differentiate dentin from:

A)bone
B)enamel
C)cementum
D)all of the above

Question 10

The broad radiolucent band seen just below the internal oblique ridge is the __________.

Question 11

In order to improve viewing of radiographs, mounts should be made of _________.

Question 12

The nasal septum ends inferiorly at another radiopaque landmark known as the:

A)nasal conchae
B)anterior nasal spine
C)nasal cavity
D)nasopalatine foramen

Question 13

Identify the information that should appear on a radiographic film mount:

A)patient name
B)date of radiographic exam
C)patient date of birth
D)both a and b

Question 14

Identify the thin, radiolucent line seen surrounding the cementum of the root of the tooth:

A)cortical bone
B)cancellous bone
C)periodontal ligament space
D)lamina dura

Question 15

All of the following can appear within the maxillary sinus EXCEPT:

A)nutrient canals
B)zygomatic process
C)coronoid process
D)bony septa

Question 16

Two soft tissue shadows often seen on periapical radiographs are the _______ and the ________.

Question 17

On intraoral radiographs, when the patient's right is on your left, this is called:

A)labial mounting
B)neutral mounting
C)cross mounting
D)lingual mounting

Question 18

All of the following landmarks will appear radiolucent EXCEPT:

A)ridge
B)concavity
C)foramen
D)concavity..

Question 19

Temporary acrylic crowns appear ___________ on radiographs.

Question 20

All of the following can appear on a radiograph of the mandibular incisors EXCEPT:

A)nutrient canals
B)hamular process
C)genial tubercles
D)lingual foramen

Question 21

If visible, identify the appearance of mandibular tori:

A)clearly outlined radiopacities
B)vague, diffuse radiolucencies
C)well outlined radiolucencies
D)tori do not appear radiographically

Question 22

All of the following restorations would have the same radiopaque appearance EXCEPT:

A)amalgam
B)gold
C)foils
D)composite

Question 23

The mandibular canal may be seen in the mandibular molar periapical radiographs;it runs from the mandibular foramen to the:

A)mental foramen
B)mental ridge
C)genial tubercle
D)lingual foramen

Question 24

Occlusal projections are taken in the:

A)sagittal plane
B)coronal plane
C)axial plane
D)frontal plane

Question 25

Mandibular landmarks visible on panoramic radiographs include:

A)mandibular condyle
B)condylar neck
C)sigmoid notch
D)all of the above

Question 26

Identify the commonly-seen radiolucent landmark in the apical area of the mandibular premolars:

A)mental ridge
B)lateral fossa
C)mental foramen
D)incisive foramen