Odontogenic infections Flashcards
What are the 4 stages of infection?
- Inoculation
- Cellulitis
- Abscess
- Rupture
When does the inoculation stage of infection occur?
Over 0-3 days
When does the cellulitis stage of infection occur?
-Over 1-5 days
When does the abscess stage of infection occur?
-Over 4-7 days
What is the difference between cellulitis and an abscess?
-An abscess has PUS
When an abscess ruptures where does it spread?
-Path of least resistance
What type of bacteria account for the majority of odontogenic infections?
-Aerobic and anaerboic mixed bacteria
What are the most common pathogens in orofacial infections?
- Strep. milleri
- Peptostreptococcus
- Other anaerobic streptococci
- Prevotella
- Porphyromonas
- Fusobacterium
Where can maxillary periapical abscesses spread?
- Canine space
- Infratemporal space
- Orbit via infratemporal space
- Buccal space
- Parotid space
Where can mandibular periapical abscesses spread?
- Poratid space
- Buccal space
- Submandibular space
- Sublingual space
- Lateral pharyngeal space
- Masticator space (masseteric Pterygoid Temporal)
What can cause a muffled voice?
-Epiglottitis
What spaces if infected can cause trismus?
- Masticator space
- Pterygomandibular
What is considered trismus?
-Opening mouth less than 30 mm
What is cellulitis?
-Inflammation spreads through the soft tissue or organ
How does the swelling develop in cellulitis and what might be associated with it?
-Develops rapidly with a high fever
T/F In cellulitis the skin becomes very red and there is no throbbing pain as the inflammation localizes
False
-There is severe throbbing pain
What type of bacteria do you see in Cellulitis?
-Mixed aerobic and anerobic
T/F Cellulitis associated with oral infections is potentially dangerous because it can travel quickly to sensitive tissues such as the eye or brain
True
When an infection from a mandibular periapical abscess goes to the submandibular or sublingual space where can it spread?
- Lateral pharyngeal space
- Masticator space
When an infection from a mandibular periapcial abscess goes to the lateral pharyngeal space where can it spread?
- Carotid sheath
- Retropharyngeal space
- Masticator space
- Submandibular and sublingual spaces
Where can an infection in the retropharyngeal space spread to?
- Mediastinum
- Carotid sheath
- lateral pharyngeal space
Where can infection in the carotid sheath spread?
- Cranium
- Mediastinum
- Retropharyngeal space
- lateral pharyngeal space
What clinical signs do you see with a vestibular space infection?
- Diffuse facial swelling
- Elevation of the oral vestibule
- May or may not have a draining sinus
In a vestibular space infection there is a potential space between what?
-Oral mucosa and muscles of facial expression
