Deck 19: Film Mounting and Radiographic Anatomy

Question 1

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

Answer 1

False

Question 2

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

Answer 2

True

Question 3

Identify the most radiopaque tooth tissue:

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

Answer 3

enamel.

Question 4

All of the following can appear within the maxillary sinus EXCEPT one.Which one is the EXCEPTION?

A)Bony septa
B)Nutrient canals
C)Coronoid process
D)Zygomatic process

Question 5

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 6

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

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

Question 7

All of the following can appear on a radiograph of the mandibular incisors EXCEPT one.Which one is the EXCEPTION?

A)Nutrient canals
B)Hamular process
C)Genial tubercles
D)Lingual foramen

Question 8

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 9

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 10

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

Question 11

All of the following landmarks will appear radiolucent EXCEPT one.Which one is the EXCEPTION?

A)Ridge
B)Concavity
C)Foramen
D)Cavity

Question 12

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

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

Question 13

Temporary acrylic crowns appear radiopaque on radiographs.

Question 14

Two soft tissue shadows often seen on periapical radiographs are the lip line and the buccinators shadow.

Question 15

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

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

Question 16

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

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

Question 17

Radiographically it is extremely difficult to differentiate dentin from:

A)bone.
B)enamel.
C)cementum.
D)composite.

Question 18

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

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

Question 19

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

A)patient name.
B)patient date of birth.
C)date of radiographic exam.
D)patient name and date of radiographic exam.

Question 20

All of the following landmarks will help with mounting of radiographs EXCEPT one.Which one is the EXCEPTION?

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