Dental Medicine: Odontogenic Disorders Quiz
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Questions and Answers

What is the recent 2017 WHO classification of odontogenic tumors divided into?

  • Epithelial and mesenchymal origin
  • Inflammatory and non-inflammatory
  • Rare and commonly occurring
  • Benign and malignant (correct)

Which type of tumor has the highest prevalence according to the study mentioned in the text?

  • Odontogenic myxoma
  • Compound odontoma
  • Complex odontoma
  • Ameloblastoma (correct)

What are the two possible odontogenic origin tumors mentioned in the text?

  • Melanotic neuroectodermal tumor of infancy and congenital epulis (correct)
  • Benign and malignant
  • Odontogenic myxoma and chronic osteomyelitis
  • Fibro-osseous lesions and giant cell lesions

What are the points to be considered while dealing with the enlargement of the alveolar bone mentioned in the text?

<p>Odontogenic or non-odontogenic cysts, odontogenic tumors, bone tumors, bone lesions, inflammatory causes (D)</p> Signup and view all the answers

Which type of lesion is mentioned as usually rare in the text?

<p>Chronic osteomyelitis (D)</p> Signup and view all the answers

According to the text, what is the 2nd most common type of odontogenic tumor?

<p>Complex odontoma (C)</p> Signup and view all the answers

What is the clinical presentation of a peripheral ameloblastoma?

<p>Gingival firm sessile nodule (C)</p> Signup and view all the answers

In which type of ameloblastoma does the proliferation of plexiform ameloblastoma occur inside the cystic space?

<p>Intraluminal (B)</p> Signup and view all the answers

What is the characteristic radiographic feature of adenomatoid odontogenic tumor?

<p>Unilocular radiolucency containing a tooth (D)</p> Signup and view all the answers

What is the origin of squamous odontogenic tumor according to the text?

<p>RC of Malassez (D)</p> Signup and view all the answers

Which type of odontogenic tumor is composed of sheets or rosettes of epithelium with central spaces containing homogenous eosinophilic material?

<p>Adenomatoid odontogenic tumor (A)</p> Signup and view all the answers

What histological feature confirms the diagnosis of squamous odontogenic tumor?

<p>Normal appearing well differentiated squamous cells (A)</p> Signup and view all the answers

What is the prognosis for the adenomatoid odontogenic tumor according to the text?

<p>Very good (C)</p> Signup and view all the answers

What is the characteristic histological feature of calcifying epithelial odontogenic tumor (Pindborg tumor)?

<p>&quot;FCT capsule&quot; composition and presence of spherical calcifications (A)</p> Signup and view all the answers

What is the clinical presentation of adenomatoid odontogenic tumor?

<p>&quot;Swelling over un-erupted tooth (Upper Canine usually)&quot; (D)</p> Signup and view all the answers

Which age group is most commonly affected by conventional ameloblastoma?

<p>30-60 years old (B)</p> Signup and view all the answers

Where is the most common site for conventional ameloblastoma?

<p>Posterior mandible (A)</p> Signup and view all the answers

How does conventional ameloblastoma present around impacted teeth?

<p>Asymptomatic swelling (A)</p> Signup and view all the answers

What radiographic appearance is usually seen in conventional ameloblastoma?

<p>Multilocular radiolucency (A)</p> Signup and view all the answers

Which pattern of conventional ameloblastoma is characterized by a 'Fishnet' arrangement?

<p>Plexiform pattern (D)</p> Signup and view all the answers

What is the behavior of conventional ameloblastoma?

<p>Benign but locally invasive (A)</p> Signup and view all the answers

In which rare occurrence is conventional ameloblastoma seen within the lung?

<p>Pulmonary metastasis (A)</p> Signup and view all the answers

What percentage of ameloblastoma cases does unicystic ameloblastoma account for?

<p>5-10% (A)</p> Signup and view all the answers

At what age does unicystic ameloblastoma commonly arise?

<p>&lt;20 years old (A)</p> Signup and view all the answers

What are the three types of growth in unicystic ameloblastoma?

<p>Luminal, Intraluminal, Mural (B)</p> Signup and view all the answers

Which theory states that the origin of the epithelium forming the ameloblastoma is from the enamel organ?

<p>Enamel organ theory (A)</p> Signup and view all the answers

What is considered as pre-ameloblast in conventional ameloblastoma?

<p>Peripheral columnar cells (C)</p> Signup and view all the answers

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