Deck 29: Normal Anatomy: Panoramic Images

Question 1

The ____ rests in the glenoid fossA.

A) Styloid process
B) Mastoid process
C) Mandibular condyle
D) Coronoid process

Answer 1

Mandibular condyle

Question 2

On a panoramic radiograph, the articular eminence appears as a rounded radiopaque projection of the bone located ____ to the glenoid fossA.

A) anterior
B) posterior
C) superior
D) inferior

Answer 2

anterior

Question 3

The mastoid process is a marked prominence of bone located ____ to the temporomandibular joint (TMJ).

A) Anterior and superior
B) Anterior and inferior
C) Posterior and superior
D) Posterior and inferior

Answer 3

Posterior and inferior

Question 4

The mastoid process is a rounded ____ that ____ seen on periapical radiographs.

A) Radiolucency; is
B) Radiolucency; is not
C) Radiopacity; is
D) Radiopacity; is not

Question 5

The ____ is a hole or opening in the temporal bone located superior and anterior to the mastoid process.

A) Glenoid fossa
B) Articular eminence
C) External auditory meatus
D) Infraorbital foramen

Question 6

Which of the following radiographs allows the dental professional to view the largest area of the mandible and maxilla on a single film?

A) Four bite-wing films
B) 18-film periapical series
C) 21-film periapical series
D) Panoramic

Question 7

The nasal cavity is also known as the:

A) Nasal spine.
B) Nasal septum.
C) Zygoma.
D) Nasal fossa.

Question 8

On a panoramic radiograph, which of the following structures appears as a radiopaque bulge distal to the third molar region?

A) Hamulus
B) Maxillary tuberosity
C) Coronoid process
D) External auditory meatus

Question 9

The nasal ____ is a vertical bony wall or partition that divides the nasal cavity into the right and left nasal fossae.

A) Spine
B) Cavity
C) Hard palate
D) Septum

Question 10

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

A) Lateral pterygoid plate
B) Medial pterygoid plate
C) Pterygomaxillary fissure
D) Coronoid process

Question 11

The glenoid fossa is a ____ areA.

A) Convex, raised
B) Convex, depressed
C) Concave, raised
D) Concave, depressed

Question 12

The lateral pterygoid plate is a wing-shaped bony projection of the ____ bone.

A) Temporal
B) Frontal
C) Occipital
D) Sphenoid

Question 13

Which of the following structures is part of the sphenoid bone?

A) Glenoid fossa
B) Articular eminence
C) Lateral pterygoid plate
D) Styloid process

Question 14

On a panoramic radiograph, the incisive foramen appears as a small, ovoid or round area located:

A) Near the apex of the mandibular first premolar.
B) Between the roots of the maxillary central incisors.
C) Inferior to the orbit.
D) Superior to the maxillary sinuses.

Question 15

On a panoramic radiograph, the infraorbital foramen may be superimposed over the ____.

A) Mental foramen
B) Maxillary sinus
C) Frontal sinus
D) External auditory meatus

Question 16

The pterygomaxillary fissure is a narrow space or cleft that separates the ____ and the maxillA.

A) Medial pterygoid plate
B) Lateral pterygoid plate
C) Hamulus
D) Coronoid notch

Question 17

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

A) Inferior
B) Lateral
C) Medial
D) Superior

Question 18

Which of the following structures may be seen on a periapical radiograph?

A) Mastoid process
B) Styloid process
C) External auditory meatus
D) Maxillary tuberosity

Question 19

The anterior nasal spine is a sharp bony projection of the maxilla located at the ____ portion of the nasal cavity.

A) Anterior and superior
B) Anterior and inferior
C) Posterior and superior
D) Posterior and inferior

Question 20

The ____ forms the floor of the orbit of the eyes, the sides and floor of the nasal cavity, and the hard palate.

A) Maxillary sinus
B) Maxilla
C) Incisive foramen
D) Infraorbital foramen

Question 21

The ____ is a hole or opening in bone located on the external surface of the mandible in the region of the mandibular premolars.

A) Mandibular foramen
B) Lingula
C) Mandibular canal
D) Mental foramen

Question 22

The ____ foramen is a tiny hole or opening in bone located on the internal surface of the mandible near the midline.

A) Lingual
B) Mental
C) Incisive
D) Mandibular

Question 23

On a panoramic radiograph, the zygomatic process of the maxilla appears as a ____-shaped radiopacity.

A) J
B) Y
C) U
D) Both a and c

Question 24

On a panoramic radiograph, the coronoid notch appears as a ____ to the coronoid process.

A) Concavity located mesial
B) Concavity located distal
C) Convexity located mesial
D) Convexity located distal

Question 25

The hamulus extends from the:

A) Medial pterygoid plate of the sphenoid bone.
B) Lateral pterygoid plate of the sphenoid bone.
C) Coronoid process.
D) Styloid process.

Question 26

On a panoramic radiograph, the ear is viewed superimposed over the:

A) Anterior teeth.
B) Styloid process.
C) Incisive foramen.
D) Mandibular canal.

Question 27

Which of the following structures may be seen on both periapical and panoramic radiographs?

A) Mandibular condyle
B) Coronoid notch
C) Mandibular foramen
D) Mental foramen

Question 28

On a panoramic radiograph, the ____ air space appears as a diagonal radiolucency located superior to the radiopaque shadow of the soft palate and uvulA.

A) Palatoglossal
B) Nasopharyngeal
C) Glossopharyngeal
D) Both a and b

Question 29

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

A) Mandibular condyle
B) Coronoid notch
C) Coronoid process
D) Lingula