Mandibular Defects and Prosthetics in Dentistry
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Questions and Answers

In Type I resection of anterior mandible, what may be compromised due to defect closure using adjacent lining mucosa or split thickness flap?

  • Tongue function
  • Denture retention
  • Masticatory efficiency
  • Denture bearing area (correct)

Why may a prosthesis be given in Type II resection?

  • To restore tongue function
  • To enhance aesthetics
  • To improve masticatory efficiency
  • To support buccal tissue (correct)

What is a characteristic of the Swing lock design in Type II resection?

  • Remaining teeth in a zigzag line
  • Remaining teeth in an angled line
  • Remaining teeth in a curved line
  • Remaining teeth in a straight line (correct)

What type of resection may require an extension base on the surgical side?

<p>Type IV resection (C)</p> Signup and view all the answers

What is the primary purpose of a Mandibular Guide Flange Prosthesis?

<p>As an interim training device (B)</p> Signup and view all the answers

How does a Mandibular Guide Flange Prosthesis engage the opposing arch?

<p>Through buccal tooth surfaces (B)</p> Signup and view all the answers

What type of resection is characterized by resection of the anterior and posterior areas with surgical reconstruction?

<p>Type V resection (C)</p> Signup and view all the answers

In Type IV resection, what determines the design of the prosthesis?

<p>The extent of the defect beyond the midline (D)</p> Signup and view all the answers

What determines the height of the Mandibular Guide Flange Prosthesis?

<p>Depth of the buccal vestibule (B)</p> Signup and view all the answers

What is the purpose of the palatal occlusal ramp in guiding patients with oral defects?

<p>To guide patients into a more stable intercuspal contact position (B)</p> Signup and view all the answers

What is the most challenging task in dentistry, according to the text?

<p>Maxillofacial prosthetic treatment of patients with oral defects (D)</p> Signup and view all the answers

What is the lateral position of the bar determined by?

<p>The need to prevent the guide from contacting the buccal mucosa (D)</p> Signup and view all the answers

What is used to arrange the teeth in a palatal occlusal ramp?

<p>A functionally generated path record (B)</p> Signup and view all the answers

What is the purpose of the guide flange in maxillofacial prosthetic treatment?

<p>To guide patients with more severe deviation into a more stable intercuspal contact position (A)</p> Signup and view all the answers

What is the primary goal of augmenting the contour of the palate with a prosthesis?

<p>To modify the space of Donder for easier food manipulation (A)</p> Signup and view all the answers

What type of mandibular defect is characterized by an intact inferior border with normal movements expected?

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

What is the most serious consequence of acquired mandibular discontinuity?

<p>Deviation towards the operated side (A)</p> Signup and view all the answers

What is the primary consideration for Continuity Defect in Mandible?

<p>Evaluation of the soft tissue support (B)</p> Signup and view all the answers

What type of mandibular defect involves resection with extension of graft into the defect?

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

What is the purpose of intermaxillary fixation for several weeks in Discontinuity Defect in Mandible?

<p>To prevent deviation towards the operated side (C)</p> Signup and view all the answers

In which type of tumors is reconstruction contraindicated?

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

What is the purpose of a deviation appliance in extensive surgical resection?

<p>To prevent deviation towards the operated side (C)</p> Signup and view all the answers

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