acute pyogenic dental infections

Question 1

give the key points of dental abscesses

Answer 1

endogenous infection
often mixed infections
strict anaerobes important
e.g.
- streptococcus angionosus
- prevotella intermedia
ideal specimen = aspirated pus

Question 2

examples of bacteria involved in periodontal abscess

Answer 2

anaerobic streptococci
prevotella intermedia

Question 3

dry socket features

Answer 3

localise alveolar osteitis
mixed oral flora
does not require antibiotic treatment

Question 4

osteomyelitis of the jaw - risk factors

Answer 4

bisphosphonate therapy
- MRONJ
impaired vascularity of bone
- radiotherapy
- Paget’s disease
foreign bodies
- implants
compound fractures
impaired host defences
- e.g. diabetes

Question 5

osteomyelitis microbiology

Answer 5

anaerobic gram negative rods
anaerobic streptococci
streptococcus angionosus
staphylococcus aureus

Question 6

salivary gland infection microbiology

Answer 6

s. aureus
mixed anaerobes

Question 7

salivary gland infection treatment

Answer 7

drainage
flucloxacilin and metronidazole