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8 Cards in this Set
- Front
- Back
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Difference between osteomyelitis, dry socket, and odontogenic abscess
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Ability to progress and osteomyelitis affects medullary bone
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Which facial bone has the highest incidence of osteo and why?
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Mandible
Poor circulation |
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What are the most common microbes found in odontogenic osteomyelitis?
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Bacteroides
Peptostrep |
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Difference between the initiation of osteomyelitis and osteoradionectrosis?
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Osteomyelitis has bacterial insult, whereas ORN can have traumatic insult?
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How much demineralization must occur before it is demonstrable on plain xray?
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40%
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Why might you get an MRI before CT to look at osteomyelitis?
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MRI shows osteomyelitis earlier
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Oral ORN is defined as (3 criteria):
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3-5 mm of exposed bone
Exposure to radiation Bone exposed for at least 3-6 months |
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What two isotopes are used for bone scans for osteomyelitis, and why is technicium-99 not used to detect osteomyelitis?
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Gallium 67
Indium 111 Both of these bind to WBC's, where as T-99 will not differentiate between bone growth and osteomyelitis. |
