CBCT Anatomy

Question 1

Answer 1

A. Frontal sinuses
B. Frontal bone

Question 2

Answer 2

A. Right orbit
B. Frontal sinuses
C. Left orbit

Question 3

Answer 3

A. Ethmoid air cells
B. Nasal septum (stops where sphenoid sinuses start)
C. Optic canal
D. Superior orbital fissure
E. Dorsum sellae
F. Sella turcica
G. Sphenoid sinus (more towards midline)
H. Right orbit

Question 4

Answer 4

A. Orbit
B. Superior orbital fissure
C. Dorsum sellae
D. Right sphenoid sinus
E. Ethmoid air cells

Question 5

Answer 5

A. Nasal septum
B. Nasolacrimal duct (has tears in it so has density)
C. Orbit
D. Left maxillary sinus
E. Left sphenoid sinus
F. Orbit

Question 6

Answer 6

A. Nasolacrimal duct
B. Zygomatic arch (not on other side bc pt isn’t at equal heigh so appears later)
C. Sphenoid sinus
D. Ossicles
E. Sphenoid bone
F. Mastoid air cells
G. Right maxillary sinus
H. Nasal septum

Question 7

Answer 7

A. Nasal septum (deviated to right)
B. Zygomatic arch
C. Head of condyle
D. External auditory meatus
E. Sphenoid/occipital bone (fuse at age 16)
F. Mastoid air cells
G. Pterygoid plates
H. Pterygopalatine fossa
I. Right maxillary sinus

Question 8

Answer 8

A. Nasal septum
B. Pterygopalatine fossa
C. Coronoid process- barely showing bc below condyle
D. Condyle
E. External auditory meatus
F. Airway
G. Occipital bone
H. Mastoid air cells
I. Earring
J. Pterygoid plates
K. Right maxillary sinus

Question 9

Answer 9

A. Incisive/naso palatine foramen
B. Mandibular ramus
C. Condyle (neck)
D. Airway
E. Mastoid air cells
F. Right maxillary sinus

Question 10

Answer 10

A. Nasopalatine canal/incisive foramen
B. Mandibular rramus
C. Airway
D. Occipital bone
E. Cervical spine
F. Maxillary dentition

Question 11

Answer 11

A. Maxillary dentition
B. Mandibular foramen
C. Mandibular ramus
D. Airway
E. Cervical spine

Question 12

Answer 12

A. Mandibular dentition
B. Mandibular ramus
C. Airway
D. Cervical spine

Question 13

Answer 13

A. Mandible
B. Mental foramen
C. Airway
D. Cervical spine
E. Epiglottis

Question 14

Answer 14

A. Mandible
B. Airway
C. Cervical spine
D. Epiglottis
E. Hyoid bone

Question 15

Answer 15

A. Nasal bone
B. Nasal meatus
C. Nasal septum
D. Anterior nasal spine
E. Maxillary teeth
F. Mandibular teeth

Question 16

Answer 16

A. Frontal sinuses
B. nasal meatus
C. Inf. nasal concha
D. Maxilla
E. Incisive foramen/nasopalatine canal
F. Nasal bones
G. Nasal cavity walls
H. Nasal septum
I. Floor of nasal cavity
J. Inf. border of the mandible

Question 17

Answer 17

A. Ethmoidal sinuses
B. Nasal septum
C. Maxillary ostium
D. Nasal meatus
E. Maxillary sinus
F. Tongue (don’t want tongue on roof of mouth on CBCT)
G. Mental foramen
H. Mandible
I. Hard palate
J. Maxilla
K. Inf. nasal concha
L. Middle nasal concha
M. Orbit

Question 18

Answer 18

A. Orbits
B. Ethmoidal air cells
C. Nasal septum
D. Nasal meatus
E. Maxillary sinus
F. Tongue
G. Hard palate
H. Mylohyoid ridge
I. Mandible
J. Maxilla
K. Inf. nasal concha
L. Middle nasal concha
M. Sup. nasal concha

Question 19

Answer 19

A. Sphenoid sinuses
B. Pterygoid plates
C. Airway
D. Inf. alveolar canals
E. Hyoid
F. Mandibular ramus
G. Zygomatic arch

Question 20

Answer 20

A. Mandibular fossa/glenoid fossa
B. Mandibular condyle
C. Start of cervical spine
D. Sphenoid bone
E. Airway

Question 21

Answer 21

A. Ossicles
B. External auditory meatus
C. Earlobe
D. Cervical spine

Question 22

Answer 22

A. Foramen magnum
B. Mastoid air cells
C. Cervical spine

Question 23

Answer 23

Occiptal bone

Question 24

Answer 24

A. Mastoid air cells
B. Ext. auditory meatus
C. Mandibular condyle
D. Articular eminence

Question 25

Answer 25

A. Articular eminence B. Mastoid air cells C. Ext. auditory meatus D. Mandibular condyle E. Mandibular ramus F. Coronoid process

Question 26

Answer 26

A. Pterygopalatine fossa B. Orbit C. Maxillary sinus D. Maxilla E. Mandible F. Hyoid bone G. Maxillary tuberosity H. Cervical spine I. Occipital bone J. Hamular notch K. Pterygoid plates

Question 27

Answer 27

A. Sella turcica B. Sphenoid sinus C. Ethmoidal air cells D. Frontal sinus E. Tongue F. Soft palate G. Hyoid bone H. Cervical spone I. Epiglottis J. Occipital bone K. Foramen magnum L. Sphenoid bone M. Hard palate N. Dorsum of sella O. Airway

Question 28

Answer 28

A. Sella turcica B. Hard palate C. Frontal sinus D. Nasal bones E. Anterior nasal spine F. Nasopalatine canal G. Tongue H. Soft palate I. Hyoid bone J. Airway K. Cervical spine L. Epiglottis M. Occipital bone N. Foramen magnum O. Sphenoid bone

Question 29

Answer 29

Lingual foramen

Question 30

Answer 30

Lingual foramina

Question 31

Answer 31

Genial tubercules

Question 32

Answer 32

Genial tubercules

Question 33

Answer 33

Mandibular tori

Question 34

Answer 34

2. Condyle 3. Mastoid air cells 4. Pterygoid plates

Question 35

Answer 35

Mental foramen

Question 36

Answer 36

External auditory canal

Question 37

Answer 37

7. Pterygopalatine fossa 8. Max sinus

Question 38

Answer 38

9. Epiglottis 10. Anterior nasal spine 11. Sella turcica

Question 39

Answer 39

Middle nasal concha

Question 40

Answer 40

13. Maxillary ostium 14. Orbit

Question 41

Answer 41

Airway

Question 42

Answer 42

External auditory canal or meatus