intra oral radiogrpahic anatomy e lec pictures Flashcards

1
Q

what is this image pointing to

A

the inter maxillary suture

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2
Q

what is this pointing to

A

the anterior nasal spine

radioopaque V shaped line which lies above the anterior apices

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3
Q

what is the issue with this image

A

that the soft tissues have super imposed on the ant superior bone portion of the radiograph

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4
Q

what si the nasal end of the incisive foramina seen as on a radiograph

A

two ovoid structures that lie either side of the anterior nasal spine

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5
Q

what is the nasal end of the incisive foramina seen as on a radiograph

A

it is seen as a concavity radioluscent structure that lies above the nasal septum

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6
Q

what can be the issue with the oral end of the incisive canal on a radioluscency

A

it can be projected over the apex of the central incisors and can resemble an inflammatory cyst but usually this is much bigger

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7
Q

what are the anterior parts of the nasal cavity known as

A

the pyriform fossa

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8
Q

what is this thick band of radioopacity seen

A

the interior nasal conchae

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9
Q

what can be the issue with the canine fossa

A

as there is less bone as we move posteriorly- and therfore less tissue we can see a radiolucency

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10
Q

what is this image pointing at

A

poorly defined canine fossA

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11
Q

what can be the issue with the antrum

A

it can be mistaken as a radiolucency of the maxillary antrum

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12
Q

what is the maxillary antrum

A

the maxillary sinus

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13
Q

what is the Y shape of ennis

A

it is an upside down Y where the medial side of the Y is the body of the antrum as well as one side fo the Y being the floor of the antrum and the other side being the floor of the nose

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14
Q

what is the floor of the nose seen like

A

a radioopaque flat horizontal line on an occlusal or post PA

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15
Q

WHAT is the zygomatic buttress

A

it is an radiodensity due to the zygoma meeting the maxilla

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16
Q

what is the structure outlined

A

the hamulus- a part of the medial pterygoid plate

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17
Q

what lies anterior to the hamulus

A

is the hamular notch

18
Q

why is the hamular notch important

A

as when making dentures we should extend the denture in this area as the soft tissue can give

19
Q

what is the maxilla tuberosity

A

it is the area of the maxilla posterior the last molar and associated with the third molar

20
Q

what is highlighted

A

the coronoid process

21
Q

which structure is circled

A

the deal duct or the nasal lacrimal duct

22
Q

what structure is highlighted

A

the neuro vascular channals

23
Q

what is this structure

A

the mental foramen- seen where the IAN enters and divides into the incisive nerve to supply the lower anterior teeth

24
Q

what is shown on this PA of the LL quadrent

A

the mylohyoid ridge

25
Q

what is shown beneath the myloid ridge

A

the submandibular fossa- this holds the sub mandibular salivary gland

26
Q

which structure is highlighted

A

the Inferior alveolar nerve

27
Q

what structure is this

A

the large radioopaque structure seen anterior to the central incisors in the mental protuberance

28
Q

what is shown on this image

A

the naso lacrimal ducts

29
Q

what is shown on this image

A

the inter maxillary suture

30
Q

what is shown on this image

A

hamular notch

31
Q

what is shown on this image

A

the pyriform fossa

32
Q

what is shown on this image

A

the lamina dura in which the PDL inserts into

33
Q

what is shown on this image

A

the oral end of the incisive foramen

34
Q

what is shown on this image

A

neurovascular channel

35
Q

what is structure A

what is structure B

A

structure A is the inflammatory cyst

structure B is the incisive foramen

36
Q

what is shown on this image

A

the external oblique ridge- shows how difficult wisdom tooth removal is

37
Q

what is shown on this image

A

incisive foramen

38
Q

what is shown on this image

A

floor of the antrum

39
Q

what is shown on this image

A

anterior nasal spine

40
Q
A