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75 Cards in this Set
- Front
- Back
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What is another name for condensing osteitis?
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Focal Sclerosing Osteomyelitis
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Where does Focal Sclerosing Osteomyelitis usually take place?
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At the apices of the teeth.
(Often associated with a deep cavity) |
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What is condensing osteitis associated with?
Where is it usually found? |
Carious lesion or restored tooth
Mandibular Molars |
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What actually is condensing osteitis?
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Sclerotic bone without inflammation
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What is the Tx for focal sclerosing osteomyelitis?
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Extract the tooth,
Possible restoration, Endodontic Tx. Often is Asymptematic & can be left alone…but take RADS and keep track of it over time. |
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What is a cementoblastoma?
How would you describe it? |
A Benign odontogenic tumor.
Usually well defined, lucent border, mixed opaque & lucent lesion at apex of tooth |
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What is the most common tooth for cementoblastoma? What age group is most impacted?
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1st molar MN or MX
<25 years old |
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What type of halo is most often found for a cementoblastoma?
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Radiolucent halo around perimeter-radiographically.
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What is the most common type of odontogenic tumor? (MUST KNOW THIS!)
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Odontoma
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What disease can odontoma's be associated with at times?
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Gardner syndrome
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Where is the odontoma usually located?
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Usually its localized in the posterior region.
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What are the 2 types of odontoma?
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Complex
Compound-->Looks like little teeth. |
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What is the HALLMARK lesion of Gardner Syndrome?
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Osteoma!
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What group is more likely to experience osteoma?
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Males 20-50 years of age
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What is an osteoma?
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A benign tumor of compact or cancellous bone
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What are some symptoms of osteoma?
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Ache in jaw, pain & swelling…may cause expansion of jaw
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What does an osteoma look like?
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Dense opaque growth
**Pt needs immediate referral due to disease…they can DIE from this if not treated!** |
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What is another name for "marble bone disease"?
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Osteopetrosis
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What is osteopetrosis?
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A rare condition characterized by marked increased bone density….bone marrow is being lost!
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How can osteopetrosis impact a person's overall health?
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Since bone marrow is being lost RBC's and WBC's aren't being produced…The Pt is becoming anemic and losing their immune system!
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What is a symptom of osteopetrosis?
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Delayed tooth eruption, extremely calcified bones
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What major disease can be seen with a careful eye and a good panoramic X-ray?
What is being seen to detect it? |
Heart Disease
Carotid Artery Calcification |
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What is an odontogenic cyst?
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A cyst with an epithelial lining composd of the remnants of the tooth-forming organ (rests of Malassez etc,)
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What type of lesions arises secondary to necrosis of the dental pulp?
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Periapical Granuloma (dental granuloma)
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What makes up a perapical granuloma?
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a mass of inflamed granulation tissue!
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Radiographically, what is a periapical granuloma similar to?
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Radicular cyst….Can only tell apart by a biopsy.
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What is the only way to tell a periapical granuloma from a radicular cyst?
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A biopsy!
YOU MUST KNOW THIS! |
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What is the Tx for a periapical granuloma?
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endo if non-vital
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If you are presented with a picture and asked what this lesion is and you don't know, but you can select 2 lesions…what do you pick?
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Periapical Granuloma & Radicular Cyst!
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What is a radicular cyst associated with?
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A non-vital tooth
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What is the most commonly occuring odontogenic cyst?
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Radicular Cyst!
It can recur! |
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What is the radicular cyst derived from?
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rests of Malassez
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What is the DD for a radicular cyst?
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periapical granuloma
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What are the odontogenic cysts? (3)
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1) Radicular Cyst--most common
2) Dentigerous Cyst--2nd most common 3) Odontogenic Keratocysts |
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What is a multilocular, benign, blood filled pseudocyst?
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Aneurysmal Bone Cyst
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Is an aneurysmal bone cyst a pseudocyst?
Why or why not? |
Yes!
Doesn't have an epithelium lined lumen |
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If I’m asked for the most common BLOOD FILLED, benign cyst…what am I going to say?
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Aneurysmal Bone Cyst
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What is another name for a hematoma that doesn't heal?
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Traumatic bone cyst
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Where is a traumatic bone cyst usually discovered?
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In routine RADS.
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What age group is a traumatic bone cyst or simple bone cust usually found in?
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10-20 year olds but can be younger.
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Is a traumatic bone cyst usually found in the MX or MN? (Comes from trauma to the area)
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Mandible
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If bone is swelling…what is being lost and why?
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Bone is being lost because something has to "give" if there is swelling…you have to make room for it so bone ends up being lost.
Always investigate if there is tooth/bone pain. |
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What are the 3 types of Cementoosseous Dysplasia?
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1) Periapical cementoosseous
2) Focal cementoosseous 3) Florid cementoosseous |
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Where is Focal cementoosseous usually located?
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Posterior of MN
This tends to be a larger lesion that is isolated, well-defined and radiolucent-radiopaque. |
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What is the typidal size of focal cementoosseous?
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<1.5 cm
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What is the Tx for focal cementoosseous?
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No Tx necessary
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Who is usually affected by Focal Cementoosseous? Age/Ethnicity/Sex
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Female, 30-50 Caucasian
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Which cementoosseous dysplasia involved multiple areas of the MN & MX, impacts African American women age 30-50?
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Florid Cementoosseous
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Radiographically, what is the appearance of florid cementoosseous?
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Like ground glass
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Who is usually affected by Periapical Cementoosseous? Age/Ethnicity/Sex
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African American Females >30,
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What part of the jaw is typically impacted by periapical cementoosseous?
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Anterior MN region
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What can be said about the vitality of teeth impacted by periapical cementoosseous?
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Teeth are Vital!
No Tx is necessary but keep an eye on it over time. |
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What does a periapical cementoosseous look like?
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Radiolucent w/calcified center…can be confused with cementoma.
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What is the cause of osteomyelitis?
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Bacterial infection Staphlycocci & stretococci
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What is the most common cause of osteomyelitis?
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Periapical abscess
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What is the Tx for osteomyelitis?
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Antibiotics & drainage
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Where are lateral periodontal cyct located?
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Cuspid & premolar areas-lateral surfaces of tooth
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What is the 2nd most common odontogenic cyst?
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Dentigerous Cyst
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What population are you more likely to see a dentigerous cyst?
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Younger males who's 3rd molars haven't erupted yet
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Which teeth are usually impacted by a dentigerous cyst?
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MN 3rd molars MX canines (These Unerupted Teeth)
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What is an eruption cyst?
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A painless cyst that forms in the gingival mucosa above the erupting tooth
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How does an eruption cyst look clinically?
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Like a soft swelling. No Tx unless the cyst doesn't burst RADS show pending tooth eruption.
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What are Odontogenic keratocysts associated with?
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Nevoid basal cell carcinoma
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Where are odontogenic keratocysts usually found and in what population?
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In the Mandible
Male 20->30 year olds |
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Describe a globulomaxillary cyst?
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Radiolucent Pear shaped lesion
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Where is a globulomaxillary cyst located?
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In the maxilla
Typically between roots of Mx Cuspid and lateral. |
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What is the shape of the nasopalatine duct cyst?
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Heart shaped or ovoid radiolucency….
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Where is the nasopalatine duct cyst located?
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Between 8 & 9
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In relation to the nasopalatine duct cyst, where is the Median Palatine Cyst located?
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More posterior…further into the hard palate.
It tends to be more irregular shaped too. |
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What causes a static bone cyst?
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Entrapped salivary gland tissue
Its seen below the mandibular canal |
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What is the shape of the center of an adenomatoid odontogenic tumor?
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Snowflake center..radiolucent
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Where are the adenomatoid odontogenic tumors usually located?
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MX anteriors
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What is the shape of an odontogenic myxoma?
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Honeycomb or scalloped appearance
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What is the rate of growth for an odontogenic myxoma?
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Can grow rapidly
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What tissue does an odontogenic myxoma come from?
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odontogenic ectomesenchyme…
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