Podcast
Questions and Answers
A patient presents with a well-defined unilocular radiolucency associated with an unerupted tooth. Which cyst is MOST likely?
A patient presents with a well-defined unilocular radiolucency associated with an unerupted tooth. Which cyst is MOST likely?
- Dentigerous cyst (correct)
- Periapical cyst
- Residual cyst
- Nasopalatine duct cyst
Which of the following cysts is a soft tissue cyst that elevates the ala of the nose?
Which of the following cysts is a soft tissue cyst that elevates the ala of the nose?
- Nasolabial cyst (correct)
- Median palatine cyst
- Globulomaxillary cyst
- Nasopalatine duct cyst
A radicular cyst will test vital to electric and thermal pulp testing.
A radicular cyst will test vital to electric and thermal pulp testing.
False (B)
Which odontogenic tumor is MOST often associated with Gorlin Syndrome?
Which odontogenic tumor is MOST often associated with Gorlin Syndrome?
The lateral periodontal cyst is the intrabony counterpart to the _____ cyst.
The lateral periodontal cyst is the intrabony counterpart to the _____ cyst.
You extract a patient's tooth, and histopathologic analyses report a residual cyst. What is the origin of a residual cyst?
You extract a patient's tooth, and histopathologic analyses report a residual cyst. What is the origin of a residual cyst?
What is the significance of the 'enucleate and cauterize' enucleation tx?
What is the significance of the 'enucleate and cauterize' enucleation tx?
What is the most common site of the nasopalatine duct cyst?
What is the most common site of the nasopalatine duct cyst?
OKCs radiographically presents only as a unilocular cyst.
OKCs radiographically presents only as a unilocular cyst.
All of the following may radiographically mimic an inflammatory periapical cysts EXCEPT which one?
All of the following may radiographically mimic an inflammatory periapical cysts EXCEPT which one?
When the tooth is extracted, residual cells of the cyst lining and inflammatory cells continue to ____.
When the tooth is extracted, residual cells of the cyst lining and inflammatory cells continue to ____.
Which cyst is thought to be the same as a paradental cyst, except central on the buccal aspect of erupting mandibular first molars?
Which cyst is thought to be the same as a paradental cyst, except central on the buccal aspect of erupting mandibular first molars?
Eruption cysts are found in bone.
Eruption cysts are found in bone.
Match the following odontogenic cysts with their distinctive location:
Match the following odontogenic cysts with their distinctive location:
Which of the following is least likely to cause obvious bone expansion?
Which of the following is least likely to cause obvious bone expansion?
Flashcards
Imaging Findings: Periapical Radiolucency on 1st Molar
Imaging Findings: Periapical Radiolucency on 1st Molar
Well-circumscribed radiolucency at the apex of a non-vital, restored first molar.
Imaging Findings: OKC Association
Imaging Findings: OKC Association
Likely associated with an unerupted/impacted third molar: Well-defined radiolucency found in the area
Imaging Findings: Ameloblastoma
Imaging Findings: Ameloblastoma
Amaloblastoma causing root resorption; well defined mass that is unilocular.
Treatment: Keratocystic Odontogenic Tumor
Treatment: Keratocystic Odontogenic Tumor
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Treatment: Recurrent Aphthous Stomatitis
Treatment: Recurrent Aphthous Stomatitis
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Imaging Findings: Ulcerated area on the lateral tongue.
Imaging Findings: Ulcerated area on the lateral tongue.
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Imaging Findings: Lateral periodontal cyst
Imaging Findings: Lateral periodontal cyst
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Treatment: Primary Herpetic Gingivostomatitis
Treatment: Primary Herpetic Gingivostomatitis
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Imaging Findings
Imaging Findings
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Periapical Findings: lateral radiolucency.
Periapical Findings: lateral radiolucency.
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Treatment: Periapical cyst.
Treatment: Periapical cyst.
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What is a dentigerous cyst?
What is a dentigerous cyst?
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Will Periapical Abscess always drain?
Will Periapical Abscess always drain?
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Well defined IAN is present on the radiolucency.
Well defined IAN is present on the radiolucency.
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Should you biopsy
Should you biopsy
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Study Notes
Odontogenic Cysts
- There are inflammatory and developmental types of odontogenic cysts.
- Some types include:
- Periapical or radicular cysts
- Residual periapical cysts
- Paradental cysts
- Buccal bifurcation cysts
- Dentigerous cysts
- Eruption cysts
- Gingival cysts of newborns and adults
- Lateral periodontal cysts
- Glandular odontogenic cysts
- Odontogenic keratocysts (OKC)
- Calcifying odontogenic cysts (COC)
Inflammatory Odontogenic Cysts
- Usually from pulpal inflammation
- Periapical cysts are the most common cyst of the jaws, caused by pulpal inflammation.
- If small lesions do not resolve with RCT, tissue gets submitted for biopsy (extractions can also be done), especially for other concerns.
- Cysts of inflammatory origin do not recur after appropriate management, but fibrous scars are possible.
- After a tooth is extracted, residual cells (epithelium left behind) of the cyst lining and inflammatory cells continue to grow as residual cysts, requiring further management.
- Pain and sensitivity are associated with these.
- Radicular cysts can occur anywhere along the root
Developmental Odontogenic Cysts
- Developmental cysts include Dentigerous cysts, Eruption Cysts, Gingival Cysts of Newborn, Gingival Cysts of Adults, Lateral and Glandular Periodontal cysts
- Dentigerous cysts are the most common type of developmental cyst, often involving unerupted mandibular third molars.
- Attached to CEJ.
- Lesions > 4-5mm are dentigerous cysts.
- Small cysts - asymptomatic & picked up on routine examinations.
- Large lesions - expansion of bone.
- Dentigerous cysts are most commonly a well-defined unilocular radiolucency, but infected cysts may be ill-defined.
- Treatment: variable depending on size and relationship to tooth.
- Eruption cysts are soft tissue counterparts of dentigerous cysts.
- The result from fluid accumulation in the follicular space around erupting teeth
- Appears like a nodule on the gingiva
- Blue/purple in color d
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