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Infections of the Oral Cavity, Neck, and Head 

Infections of the Oral Cavity, Neck, and Head
Infections of the Oral Cavity, Neck, and Head

Lisa M. Brumble

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date: 18 October 2021

The origin of many infections of the oral cavity, head, and neck is odontogenic. Typically, these infections are polymicrobial, with obligate anaerobes and facultative anaerobes that are part of the indigenous flora of the oral cavity. A microbial shift toward obligate anaerobes occurs as the infection spreads deeper into oral, facial, and neck spaces. Initially infection invades the gingiva or other periodontal tissues or tooth enamel, then spreads into surrounding tissues along paths of least resistance. Other causes are oral mucosal infections, salivary gland infection, and miscellaneous infections of the head and neck: cervical adenitis, infected embryologic cysts, suppurative thyroiditis, and human and animal bites. Specific syndromes and their diagnosis and treatment are also reviewed.

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