A Human Bite
Human Bites
Human bites may take place during fights, domestic abuse,
sexual activity or healthcare workers caring for patients.
Human-bite wounds become infected less frequently
(10–15% of the time) than the bites inflicted by animals
Types of human bites: Human bites are categorized into
two types
●Occlusional injuries, which are inflicted by actual biting
● Clenched-fist injuries: Occurs during fight, when the fist of one individual strikes the teeth of another. This is more common than occlusional injuries, result in serious deeper infections of hands, including the bones, joints, and tendons .
Microbiologicaly: These infections reflect the diverse oral microbial flora of humans(sciencegajab.com)
Common aerobic isolates include viridans streptococci,
S. aureus, Eikenella corrodens (common in clenched-fist injury), and Haemophilus influenzae
Anaerobic species, including Fusobacterium
nucleatum and Prevotella, Porphyromonas, and
Peptostreptococcus species
The oral flora of hospitalized patients often includes
Enterobacteriaceae, non-fermenters in addition to
the usual organisms.
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