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</p> Signup and view all the answers

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

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

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

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

    What is the clinical presentation of a peripheral ameloblastoma?

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

    What is the characteristic radiographic feature of adenomatoid odontogenic tumor?

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

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

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

    What histological feature confirms the diagnosis of squamous odontogenic tumor?

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

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

    <p>Very good</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</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;</p> Signup and view all the answers

    Which age group is most commonly affected by conventional ameloblastoma?

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

    Where is the most common site for conventional ameloblastoma?

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

    How does conventional ameloblastoma present around impacted teeth?

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

    What radiographic appearance is usually seen in conventional ameloblastoma?

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

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

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

    What is the behavior of conventional ameloblastoma?

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

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

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

    What percentage of ameloblastoma cases does unicystic ameloblastoma account for?

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

    At what age does unicystic ameloblastoma commonly arise?

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

    What are the three types of growth in unicystic ameloblastoma?

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

    What is considered as pre-ameloblast in conventional ameloblastoma?

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

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