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BDS 4: Oral Pathology > Cysts of the Jaw and Oral Regions > Flashcards

Cysts of the Jaw and Oral Regions Flashcards

1
Q

Cysts can be classified on the basis of 3 things what are they?

A

Location

Pathogenesis

Cell Type

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2
Q

What is the difference between a radicular and residual cyst?

A

Residual cysts are found in edentulous teeth

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3
Q

When is a dentigerous cyst suspected with regards to follicular space?

A

Cyst suspected if follicular space exceeds 3mm

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4
Q

What cyst is this?

A

Radicular cyst

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5
Q

What type of cyst is this?

A

Thyroglossal cyst

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6
Q

The image shows a dentigerous cyst what is the arrow pointing at?

A

Goblet/Mucous filled cell

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7
Q

What type of cyst is this?

A

Nasopalatine cyst

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8
Q

Define a Cyst

What does a Cyst NOT contain?

A

A cyst is a pathological cavity containing fluid, semi-fluid or gas

Not filled with pus

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9
Q

Where are mucous extravasation cysts commonly found?

A

Lower lip from trauma

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10
Q

What are the two different Epithelial cysts?

A

Odontogenic

Non-odontogenic

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11
Q

Label 1, 2 and 3

What type of cyst is this?

A
  1. Fibrous Tissue
  2. Non-Keratonised Stratified Sqaumius Epithelium
  3. Cyst cavity with debris

Radicular Cyst

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12
Q

What is this cyst?

A

Radicular cyst

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13
Q

Cysts can be classified on the basis of pathogenesis what are these 2 classifications?

A

Developmental

Inflammatory

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14
Q

What is happening in this image?

A

The cyst has expanded and closed off the left side of nasal cavity

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15
Q

What are the two different types of Odontogenic cysts?

A

Inflammatory odontogenic cysts

Developmental odontogenic cysts

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16
Q

What can you see in this image?

A

Nasopalatine cyst

17
Q

Describe a property of a true pathological cyst?

A

Lined with epithelium

18
Q

What type of cyst is this?

A

Dermoid cyst

19
Q

Name 3 soft tissue cysts

A
  1. Mucous extravasation cyst
  2. Retention cyst
  3. Lymphoepithelial (brachial) cyst
20
Q

Label 1, 2 and 3

What type of cyst is this?

A
  1. Cyst cavity
  2. Non-Keratonised Stratified Sqaumius Epithelium
  3. Fibrous Tissue

Radicular Cyst

21
Q

What are the general clinical features of a cyst?

A
  • Swelling
  • Displacement or loosening of teeth
  • Pain (if infected)
  • Eggshell cracking
  • Sign of fluctuance
22
Q

What type of cyst is this?

A

Odontogenic keratocyst

23
Q

What type of cyst is this?

A

Nasopalatine cyst

24
Q

Describe the difference in the teeth associated with a radicular cyst and a lateral periodontal cyst

A

Radicular cyst occurs from a non vital necrotic tooth whereas a lateral periodontal cyst is developmental so the associated teeth are vital

25
Q

What is this image an example of?

A

Odontogenic keratocyst

26
Q

What type of cyst is this?

A

Odontogenic keratocyst

27
Q

Label 1, 2, 3 and 4

What type of cyst is this?

A
  1. Fibromyxoid tissue
  2. Non-Keratonised Stratified Squamous Epithelium
  3. Cyst cavity
  4. Cilliated cells

Dentigerous/Eruption cyst

Epithelium is flat (developmental)

28
Q

Label 1, 2 and 3

What type of cyst is this?

A
  1. Cyst cavity
  2. Non-Keratonised Stratified Sqaumius Epithelium
  3. Fibrous Tissue

Radicular Cyst

29
Q

What cysts are associated with Gorlin Goltz syndrome?

A

Odontogenic keratocyst

30
Q

Comment on the link between inflammation and an epethelium in regards to cyst formation

A

Epethelium proliferation is a reaction to inflammation

31
Q

What cyst is this?

A

Residual cyst

32
Q

Label 1, 2 and 3

What type of cyst is this?

A
  1. Cyst cavitity
  2. Keratinised Epithelieum
  3. Keratin

Odontogenic Keratocyst

Can tell from uniform epithelieum and keratin

33
Q

Where are nasopalatine cysts commonly found?

A

Associated with a vital maxillary incisor

34
Q

Where are lymphoepethelial cysts commonly found?

A

Unilateral swelling at lateral part of the neck

35
Q

What cyst is on this radiograph?

A

Solitary bone cyst

(irregular shape, arches up and down between the roots)

36
Q

What are the two different cell type cysts?

A

Epithelial cysts

Non-epithelial cysts

37
Q

What cyst is this?

A

Lateral periodontal cyst

38
Q

What is this cyst?

How do you know?

A

Nasopalatine cyst

There is a nerve cell present

39
Q

Label 1, 2 and 3

What type of cyst is this?

A
  1. Fibromyxoid tissue
  2. Non-Keratonised Stratified Squamous Epithelium
  3. Cyst cavity

Dentigerous/Eruption cyst

Epithelium is flat (developmental)

BDS 4: Oral Pathology (12 decks)

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