Odontogenic infections

Acute necrotizing gingivitis

-treatment

Amp/clav

metronidazole or clindamycin

Good oral hygiene

Masticator space infections

-treatment


Amp/sulbactam

penicillin + metronidazole

surgical drainage

Lateral pharyngeal space infection

-bacteria

-treatment

-aka?

 

– complications 

 

 

Bacteria:

Fusobacterium necrophorum


Treatment:

– broad spectrum

– surgical drainage


Aka:

– Lemierre’s syndrome

;

Complications:

– suppurative thrombophlebitis due to location next to carotid sheath due to infection

– odynophagia

– sepsis

Retropharyngeal space infections

-important points

Anterior neck

Severe dyspnea

Leads to mediastinitis and crackling on PE via auscultation = Hammond’s sign

Gram+/Lactam inhibitor

Cephalosporin+metronidazole

carbapenem

clindamycin

Actinomycosis

-key findings

-tx

Key findings:

– sulfur granules

– molar teeth colonies

– doesn’t follow fascial planes

;

Treatment:

– PCN G i.v. for 4-6 weeks then

– PCN V 6-12 months

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