Odontoma: Treatment and Prognosis
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Questions and Answers

What is the reason for the rapid growth of odontogenic myxoma?

  • Resorption of bone
  • Proliferation of odontogenic epithelium
  • Accumulation of mucoid material (correct)
  • Divergence of roots of adjacent teeth

What are the two clinical variants of odontogenic fibroma?

  • Primary and secondary
  • Central and peripheral (correct)
  • Intraosseous and extraosseous
  • Benign and malignant

What is a characteristic radiographic feature of large odontogenic fibroma?

  • Multilocular radiolucency (correct)
  • Root resorption
  • Well-defined unilocular radiolucency
  • Cortical erosion

What is a histopathological feature of odontogenic fibroma?

<p>Foci of calcification (A)</p> Signup and view all the answers

What is the treatment of choice for cementoblastoma?

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

What is the characteristic radiographic feature of an ameloblastic fibroma?

<p>A well-defined unilocular or multilocular radiolucent lesion (A)</p> Signup and view all the answers

What is the histopathological feature of the epithelial portion of an ameloblastic fibroma?

<p>It consists of long, narrow cords or small discrete islands of odontogenic cells (D)</p> Signup and view all the answers

What is the treatment of choice for an ameloblastic fibroma?

<p>Conservative removal of the lesion (C)</p> Signup and view all the answers

What is the association between odontomas and Gardner's syndrome?

<p>Multiple odontomas are seen in association with Gardner's syndrome (B)</p> Signup and view all the answers

What is the major problem for patients with Gardner's syndrome?

<p>High risk of transformation of colorectal polyps into adenocarcinoma (D)</p> Signup and view all the answers

What is the primary goal of the lecture on non-ameloblastoma odontogenic tumours?

<p>To detail the principle radiological and histopathological features of non-ameloblastoma odontogenic tumours (D)</p> Signup and view all the answers

What is the recommended course of action for students preparing for this lecture?

<p>Review relevant teaching from the first year and read specific sections of recommended textbooks (A)</p> Signup and view all the answers

What is the prognosis for odontoma treatment?

<p>Excellent, with simple local excision (C)</p> Signup and view all the answers

What is the title of the recommended textbook by Reichart and Philipsen?

<p>Odontogenic tumors and allied lesions (D)</p> Signup and view all the answers

What is the page range of the recommended reading in Robinson et al.'s textbook?

<p>pp 149-159 (D)</p> Signup and view all the answers

What is a characteristic clinical feature of Calcifying Epithelial Odontogenic Tumor?

<p>Slow growth and bony expansion (A)</p> Signup and view all the answers

What is a common radiographic finding of Calcifying Epithelial Odontogenic Tumor?

<p>A circumscribed unilocular or multilocular radiolucency (B)</p> Signup and view all the answers

What is a distinctive histopathological feature of Calcifying Epithelial Odontogenic Tumor?

<p>Neoplastic cells with prominent intercellular bridges and pleomorphic nuclei (A)</p> Signup and view all the answers

What is a unique feature of the amyloid protein secreted by Calcifying Epithelial Odontogenic Tumor cells?

<p>It tends to calcify in the form of concentric rings (Liesegang ring calcifications) (C)</p> Signup and view all the answers

What is the likely location of Calcifying Epontogenic Odontogenic Tumor?

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

What is the main component of odontogenic epithelium-only tumors?

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

Which type of odontogenic tumor is composed of both odontogenic epithelium and ectomesenchyme?

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

What is the most common type of benign odontogenic tumor?

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

What is the component of the dental follicle that is involved in the formation of odontogenic tumors?

<p>Odontogenic ectomesenchyme (A)</p> Signup and view all the answers

What is the classification of odontogenic tumors based on their composition?

<p>Epithelial, mesenchymal, and mixed (C)</p> Signup and view all the answers

What percentage of adenomatoid odontogenic tumor cases are intraosseous?

<p>95% (D)</p> Signup and view all the answers

Which part of the maxilla is most commonly affected by adenomatoid odontogenic tumor?

<p>Anterior part (C)</p> Signup and view all the answers

What is the characteristic radiographic feature of adenomatoid odontogenic tumor?

<p>Well-defined unilocular radiolucency with fine radiopacities (B)</p> Signup and view all the answers

What is the macroscopic appearance of adenomatoid odontogenic tumor?

<p>Smooth rounded symmetrical masses (B)</p> Signup and view all the answers

What is the characteristic histopathological feature of adenomatoid odontogenic tumor?

<p>Duct-like structures with columnar epithelial cells (A)</p> Signup and view all the answers

What is the usual treatment for adenomatoid odontogenic tumor?

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

What is the prognosis for adenomatoid odontogenic tumor?

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

What type of tumor is adenomatoid odontogenic tumor classified as?

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

What is a common association of adenomatoid odontogenic tumor?

<p>Unerupted tooth (A)</p> Signup and view all the answers

What is the histopathological feature of adenomatoid odontogenic tumor that allows for easy removal from bone?

<p>Thick fibrous capsule (D)</p> Signup and view all the answers

What is the characteristic histopathological feature of cementoblastoma?

<p>Calcified cementum-like material with reversal lines (D)</p> Signup and view all the answers

What is the most common site for ameloblastic fibroma?

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

What is the characteristic radiographic feature of cementoblastoma?

<p>Radiopaque mass with a thin radiolucent rim (D)</p> Signup and view all the answers

What is the treatment of ameloblastic fibroma?

<p>Surgical extraction of the tooth together with the attached calcified mass (C)</p> Signup and view all the answers

What type of odontogenic tumor is ameloblastic fibroma classified as?

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

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