radiology image

Question 1

Answer 1

Cervical Burnout

Question 2

Answer 2

Dental papilla

A small, rounded, radiolucent area in the trabecular bone, surrounded by a thin
layer of hyperostotic bone (thick radiopaque outlines).

Question 3

Answer 3

Lamina dura

When the x-ray beam is directed through a relatively long expanse of the structure, the lamina dura appears
radiopaque and well defined. When the beam is directed more obliquely, the lamina dura appears more diffuse
and may not be discernible.

Question 4

Answer 4

Alveolar crest
within 1.5mm of CEJ
Continuous with lamina
dura

Question 5

Answer 5

PDL

Space between root surface and lamina dura.
• Usually thinner in the middle of the root and slightly wider near the alveolar crest and root apex

Question 6

Answer 6

Intermaxillary suture (median palatine suture)

Question 7

Answer 7

Anterior nasal spine

Question 8

Answer 8

nasal aperture

Question 9

Answer 9

concha

Question 10

Answer 10

septum

Question 11

Answer 11

floor of the nasal cavity

Question 12

Answer 12

Incisive (nasopalatine) foramen

Question 13

Answer 13

nasopalatine canal

Question 14

Answer 14

superior foramina of the nasopalatine canal

Question 15

Answer 15

lateral (incisive fossa)

Question 16

Answer 16

nose (soft tissue)

Question 17

Answer 17

nasolacrimal canal
You are seeing the inferior foramen, which drains under the inferior concha into
the nasal cavity.

Question 18

Answer 18

White - maxillary sinus floor

Black - floor of nasal cavity

Question 19

Answer 19

neurovascular canal

Question 20

Answer 20

septum

Question 21

Answer 21

zygomatic process of the maxilla

Question 22

Answer 22

nasolabial fold

Question 23

Answer 23

pterygoid plate - posterior to tuberosity

Question 24

Answer 24

hamulus

Question 25

Answer 25

mental spine - genial tubercles

genioglossus muscle and geniohyoid

Question 26

Answer 26

Lingual foramen

Question 27

Answer 27

mental ridge

Question 28

Answer 28

mental fossa

Question 29

Answer 29

Mental foramen

• From mesial root of first molar to first premolar

Question 30

Answer 30

mandibular canal

Question 31

Answer 31

nutrient (neurovascular) canals

Question 32

Answer 32

external oblique ridge

Question 33

Answer 33

Mylohyoid (internal oblique) ridge

Question 34

Answer 34

submandibular gland fossa

Question 35

Answer 35

coronoid process

Question 36

Answer 36

mandibular tori