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2ND YR- CSA- E lecs > Intra oral anatomy for radiology (maxilla) > Flashcards

Intra oral anatomy for radiology (maxilla) Flashcards

1
Q

How does the inter maxillary suture look on a radiograph?

A

A thin radiolucent line in the midline between teeth

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2
Q

How does the anterior nasal spine look on a radiograph?

A

Appears as a radiopaque (white) v shaped line as the midline above the apices of the incisors

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3
Q

Where are the soft tissues of the nose found on a radiograph?

A

Thy are superimposed over the anterior maxillary bone

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4
Q

How do tissues look on a radiograph?

A

They cast shadows

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5
Q

Describe where the openings of the incisal canal are found

A

At the nasal e their are 2 openings into the piriform fossa

At the oral end there’s 1 opening

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6
Q

How does the nasal end of the incisive canal appear on a radiograph?

A

Can be seen as two separate ovoid radiolucencies just beneath the tip of the airier nasal spine

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7
Q

How does the oral end of the incisive canal appear on a radiograph?

A

As a single radiolucency

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8
Q

What can the incisive canal develop?

A

Cysts

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9
Q

How do cysts appear on a radiograph?

A

They appear as large radiolucencies

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10
Q

What can the oral end of the incisive canal be mistaken for and why?

A

Can be mistaken for an inflammatory cysts of a dead tooth because it is projected over the apex of the tooth

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11
Q

How does the nasal septum appear on a radiograph?

A

Appears as a radiopaque line at the midline oft he anterior periapical

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12
Q

what are found on either side of the nasal septum?

A

The anterior parts of the nasal cavity: the Pyriform fossa

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13
Q

Describe the bone and mucosa of the inferior concave of terminance?

A

Thin bone but may have thick mucosa

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14
Q

what is the inferior concave of terminance?

A

The bone that separates the pyriform fossa’s

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15
Q

Name the only nasal terminant that is seen on radiographs

A

the inferior nasal conchae

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16
Q

Why is the inferior nasal conchae the only nasal terminat seen on a dental radiograph?

A

Because it’s the largest and due to its position

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17
Q

Where is the canine fossa located?

A

Anterior to the root of the canine

18
Q

How does the canine fossa appear on a radiograph?

A

As a slight relative radiolucency (quote I’ll defined and not visible every time)

19
Q

What is another name for the maxillary sinus?

A

Maxillary antrum

20
Q

What can the maxillary antrum (sinus) sometimes be mistaken for on a radiograph?

A

A cyst

21
Q

What can we use to differentiate the maxillary antrum (sinus) from pathology?

A

Y shape of Ennis

22
Q

How does the Y shape of Ennis work?

A

the stick of the Y is the lateral wall of the nose and the medial of the antrum
One prong of the Y is the floor of the nose
One prong of the Y is the floor of the antrum

23
Q

If you see a flat radioplaque line on a posterior periapical or a occlusal what is it likely to be?

A

The floor of the nose

24
Q

How does the floor of the nose appear on a radiograph l?

A

A flat radiopaque line

25
Q

How does the outline of the antrum usually appear on a radiograph?

A

As an angulating radiopaque

26
Q

What are found within the maxillary antrum?

A

Septum

27
Q

A radiopaque section seen above the molars May be what?

A

Zygomatic (cheek bone)

28
Q

How does the zygomatic buttress appear on a radiograph?

A

Looks like a hockey shaped margin

29
Q

What is the hamulus a part of?

A

The medial pterygoid plate

30
Q

What is found anterior to the hamulus?

A

The hamular nodge

31
Q

Where is recommended you spread you dentures to?

A

The hamular nodge as there is a lot of give in these areas

32
Q

What is the maxillary tuberosity?

A

The bone related to the last molar and the bone just posterior to the last molar

33
Q

Name a bone that can cast a shadow on the teeth when taking a periapical radiograph of the maxillary teeth

A

Coronoid process

34
Q

How is the nasal septum seen on a radiograph?

A

Seen as a radiopaque line

35
Q

How do neuro vascular channels loook on a radiograph?

A

As branching or circular radiolucencies

36
Q

What is the alveolar nerve a branch of?

A

The maxillary division of the trigeminal nerve

37
Q

What is the thin radiolucent line at the midline between teeth on a radiograph called?

A

The intermaxillary suture

38
Q

What is the radiopaque v shaped line found above the apices of the incisors on a radiograph called?

A

Anterior nasal spine

39
Q

What can be seen as two separate ovoid radiolucencies just beneath the tip of the antrum

A

Nasal spine

40
Q

Where are the pyriform fossa’s found?

A

On either side of the nasal septum

2ND YR- CSA- E lecs (14 decks)

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