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Microbiology > M3 - Oral Abscesses > Flashcards

M3 - Oral Abscesses Flashcards

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Biology 101 flashcards
1
Q

What does pus consist of ?

A
  • dead tissue
  • debirs
  • DNA
  • immune cells
  • infectious agent
  • fluid
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2
Q

The further sub gingivally, the more gram…

A

negative

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3
Q

What are the key periodontal abscess bacteria?

A

porphyromonas, prevotella
streptococci (variety)
fusobacteria nucleatum

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4
Q

What are the key endodontic infection bacteria?

A

Fusobacterium nucleatum
enterococcus faecalis candida albicans
lactobacilli
staphylococci

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5
Q

Is fusobacterium nucleatum gram +ve or -ve ?

A

Gram -ve

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6
Q

Is staphylococci gram +ve or gram -ve?

A

Gram +ve

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7
Q

What can occur post extraction and is a form of osteomyelitis?

A

Dry socket

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8
Q

How do you treat a dry sock? (3 stages)

A
  1. chlorohexidine irrigation prior to and post extraction
  2. antiseptic dressing
  3. metronidazole
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9
Q

When treating a dry socket, when should chlorohexidine be used?

A

Prior to an post extraction

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10
Q

What is the one key bacteria that causes dry socket?

A

Fusobacteria

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11
Q

What are the key bacteria that cause periimplantitis?

A

: S.aureus, S.epidermidis, aggregatibacter, porphyromomas, prevotella, fusocbacterium, anaerobic Streptococci.

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12
Q

How do you treat periimplantitis? (2 stages)

A
  1. remove implant
  2. antibiotic therapy
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13
Q

Where are actinomyces found?

A

Supra and subgingival plaque

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14
Q

What do actinomyces cause?

A

Actinomycosis

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15
Q

What type of anaerobe is actinomyces?

A

Strict

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16
Q

What does actinomycosis present as?

A

Thick fluid in sinuses

17
Q

What antibiotic treats actinomycosis?

A

Penicillin

18
Q

What 2 bacteria are commonly associated with each other in chronic perio lesions?

A

T.denticola and P.gingivallis

19
Q

An acute painful true infection of the gingivae is called?

A

Acute necrotising ulcerative gingivitis

20
Q

What are the key bacteria of acute necrotising ulcerative gingivits?

A

fuso-spirochaetal complex, F. nucleatum, Treponema vincentii

21
Q

What antibiotic is used to treat acute necrotising ulcerative gingivitis?

A

Metronidazole

22
Q

Acute cellulitis and bilateral infection of the sublingual and submandibular spaces is known as?

A

Ludwig’s Angina

Microbiology (14 decks)

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