M3 - Oral Abscesses Flashcards
What does pus consist of ?
- dead tissue
- debirs
- DNA
- immune cells
- infectious agent
- fluid
The further sub gingivally, the more gram…
negative
What are the key periodontal abscess bacteria?
porphyromonas, prevotella
streptococci (variety)
fusobacteria nucleatum
What are the key endodontic infection bacteria?
Fusobacterium nucleatum
enterococcus faecalis candida albicans
lactobacilli
staphylococci
Is fusobacterium nucleatum gram +ve or -ve ?
Gram -ve
Is staphylococci gram +ve or gram -ve?
Gram +ve
What can occur post extraction and is a form of osteomyelitis?
Dry socket
How do you treat a dry sock? (3 stages)
- chlorohexidine irrigation prior to and post extraction
- antiseptic dressing
- metronidazole
When treating a dry socket, when should chlorohexidine be used?
Prior to an post extraction
What is the one key bacteria that causes dry socket?
Fusobacteria
What are the key bacteria that cause periimplantitis?
: S.aureus, S.epidermidis, aggregatibacter, porphyromomas, prevotella, fusocbacterium, anaerobic Streptococci.
How do you treat periimplantitis? (2 stages)
- remove implant
- antibiotic therapy
Where are actinomyces found?
Supra and subgingival plaque
What do actinomyces cause?
Actinomycosis
What type of anaerobe is actinomyces?
Strict
What does actinomycosis present as?
Thick fluid in sinuses
What antibiotic treats actinomycosis?
Penicillin
What 2 bacteria are commonly associated with each other in chronic perio lesions?
T.denticola and P.gingivallis
An acute painful true infection of the gingivae is called?
Acute necrotising ulcerative gingivitis
What are the key bacteria of acute necrotising ulcerative gingivits?
fuso-spirochaetal complex, F. nucleatum, Treponema vincentii
What antibiotic is used to treat acute necrotising ulcerative gingivitis?
Metronidazole
Acute cellulitis and bilateral infection of the sublingual and submandibular spaces is known as?
Ludwig’s Angina
