12 Questions
Which infection is characterized by bilateral submandibular painful swelling, elevation of the floor of the mouth and root of the tongue, intense odynophagia, and may progress to cause suffocation?
Contiguity infections
Which bacterium is NOT listed as a causative agent for contiguity infections such as Ludwig’s angina?
Mycobacterium tuberculosis
What is the most common route for the rapid dissemination of microorganisms to distant organs?
Hematogenously
Infections by aspiration are often a result of which of the following conditions?
Neurological disorders
Which treatment is NOT typically recommended for contiguity infections such as Ludwig’s angina?
Corticosteroid therapy
What type of infection involves bacteria from the oral microbiota and is therefore polymicrobial and mixed?
Infections by aspiration
Which route of dissemination involves the spread of infection through the lung?
Aspiration
What anatomical barriers limit the extension of contiguity infections?
Bone, muscle, and fascia
Which infection results in thrombophlebitis of the internal jugular vein and septic pulmonary metastasis?
Lemierre’s disease
What is the typical cause of Lemierre’s disease?
Fusobacterium necrophorum
Which condition involves erosion of the carotid and thrombotic sepsis of the cavernous sinus?
Ludwig's Angina
What is essential to know in detail in order to understand where an infection can spread and be drained surgically?
Anatomical structures
Test your knowledge of the dissemination routes of oral infections including contiguity, swallowing, aspiration, and hematogenous spread. Explore how oral infections spread to surrounding tissues, through swallowing, aspiration to the lung, and via the blood. Understand the limitations imposed by anatomical barriers and the importance of knowing the detailed anatomical structures.
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