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Module 7 > ORAL PATH non-cystic inflammatory lesions > Flashcards

ORAL PATH non-cystic inflammatory lesions Flashcards

1
Q

symptoms of acute periapical abscess?

A

severe pain which disturbs sleep
tooth very TTP

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2
Q

signs of acute periapical abscess?

A

tooth mobility
associated swelling (facial and IO)
pus from apical tissues

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3
Q

radiographic features of acute periapical abscess?

A

wider apical PDL
radiolucency

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4
Q

symptoms of chronic periodontal abscess?

A

often none

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5
Q

signs of chronic periodontal abscess?

A

sinus

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6
Q

radiographic features of chronic perio abscess?

A

PAP (granuloma or cyst)

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7
Q

what is the common cause for periradicular/ periapical inflammation?

A

bacterial infection following pulpal death

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8
Q

when a non-vital tooth has periradicular periodontitis, what pathways can it follow?

A

acute or chronic lesions

(acute lesions can become chronic, chronic lesions can have acute flareups)

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9
Q

what is the acute symptom from periradicular periodontitis?

A

acute abscess
can be cellulitis or chronic abscess

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10
Q

what is the chronic symptom from periradicular periodontitis?

A

periapical granuloma

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11
Q

clinical features of acute periradicular periodontitis?

A

history of pain
grossly carious/ heavily restored tooth
previous trauma
little to see radiographically (unless acute exacerbation of chronic lesion)

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12
Q

what is the histopathology of acute periradicular periodontitis?

A

acute inflammatory changes:
- vascular dilation
- neutrophil infiltration
- tissue oedema

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13
Q

what is the key acute inflammatory cell?

A

neutrophil

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14
Q

treatment options for acute periradicular periodontitis?

A

XLA
endo

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15
Q

what can acute and chronic periradicular periodontitis lead to?

A

periapical abscess

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16
Q

clinical features of acute periapical abscess?

A

pain
swelling/ sinus

17
Q

histopathology of acute periapical abscess?

A

central collection of pus with an adjacent zone of preserved neutrophils
surrounded by granulation tissue

18
Q

treated options for acute periapical abscess?

A

drainage and XLA/ endo

19
Q

clinical features of chronic periradicular periodontitis?

A

non-vital tooth, may be previous RCT
often minimal symptoms
apical radiolucent lesion may be evident on radiograph

20
Q

histopathology of chronic periradicular periodontitis?

A

chronic inflammatory changes

lymphocytes and plasma cells
granulation tissue progresses to fibrosis

resorption of bone

21
Q

treated options for chronic periradicular periodontitis?

A

XLA
endo
endo retreatment
periradicular surgery

22
Q

what is a periapical granuloma?

A

mass of inflamed granulation tissue at the apex of a non-vital tooth

not a true granuloma

23
Q

what can a periapical granuloma progress to?

A

an abscess
may undergo cystic change (radicular cyst)

24
Q

clinical features of periapical granuloma?

A

as for chronic periradicular periodontitis - minimal
however
apical radiolucent lesion typically evident on radiograph

25
Q

histopathology of periapical granuloma?

A

inflamed granulation tissue
proliferation of cell rests of Malassez
haemosiderin and cholesterol deposits from RBC/inflam cell breakdown
resorption of adjacent bone and or tooth

26
Q

treatment options for periapical granuloma?

A

XLA
endo
endo retreatment
periradicular surgery

27
Q

histopathology of pericoronitis?

A

acute and chronic inflammatory changes including oedema, inflammatory cells, vascular dilation, fibrotic connective tissue

28
Q

what type of cyst may arise in chronic pericoronitis?

A

paradental cyst

29
Q

clinical features of pericoronitis?

A

pain
swelling/ tenderness of operculum
bad taste
trismus

30
Q

treatment for pericoronitis?

A

irrigation
consider XLA of opposing tooth
antibiotics (if systemically unwell)

Module 7 (72 decks)

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