Maxillofacial Trauma 2: Orbital and Zygomatic Trauma
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Questions and Answers

Which of the following is a common subjective finding in orbital fractures?

  • Malocclusion (correct)
  • Increased visual acuity
  • Normal eye movement
  • Reduced corneal sensitivity

What is a common physical examination finding in orbital fractures?

  • Normal pupillary light reflex
  • Unchanged visual fields
  • Periorbital edema (correct)
  • Intact extraocular muscles

Which test is used to assess infraorbital nerve paresthesia?

  • Kelly clamp test
  • Forced duction test
  • Bow-string test (correct)
  • Jones lacrimal tests

What is considered a diagnostic range for intercanthal distance suggestive of naso-orbito-ethmoidal (NOE) fractures?

<p>More than 40 mm (B)</p> Signup and view all the answers

Which imaging modality is recommended for the diagnosis of orbital fractures with suspected intraorbital or subcutaneous emphysema?

<p>Fine cut CT scan (1.0 mm slice thickness) (B)</p> Signup and view all the answers

What is the primary objective in the management of orbital fractures with extraocular muscle entrapment?

<p>Releasing the entrapped muscle (B)</p> Signup and view all the answers

Which surgical approach is commonly used for transconjunctival orbital floor repair?

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

What type of reconstruction is indicated for combined orbital floor and medial wall fractures?

<p>Combined orbital floor and medial wall reconstruction (D)</p> Signup and view all the answers

What is a potential complication of Zygomaticomaxillary Complex (ZMC) fractures after open reduction?

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

What is a potential complication of Le Fort II and III fractures after reduction and fixation?

<p>Increased infraorbital paresthesia (D)</p> Signup and view all the answers

What is a potential complication of orbital fractures requiring surgical therapy?

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

What is a potential complication after internal orbital fractures reduction without fixation?

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

What is the most common type of midfacial fracture?

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

Why is excellent communication between the ophthalmologist and the maxillofacial surgeon essential?

<p>To ensure prompt diagnosis and intervention (C)</p> Signup and view all the answers

What is mandatory in the diagnosis of conditions that require immediate interventions and conditions that contraindicate surgery?

<p>Adherence to systematic diagnostic protocol (D)</p> Signup and view all the answers

What is the primary aim of the lecture mentioned in the text?

<p>To detail management aspects of orbital and zygomatic trauma (D)</p> Signup and view all the answers

What are the objectives of the lecture mentioned in the text?

<p>To understand the principles of management of maxillofacial traumatic injuries (A)</p> Signup and view all the answers

What percentage of midfacial fractures are accounted for by le fort II fractures?

<p>22% (C)</p> Signup and view all the answers

Why is diagnosis of conditions requiring immediate interventions important?

<p>To ensure prompt treatment (A)</p> Signup and view all the answers

What do zygomatic fractures represent among midfacial fractures?

<p>The most common type (D)</p> Signup and view all the answers

"Strict adherence to systematic diagnostic protocol" ensures what in the diagnosis process?

<p>[Accuracy and completeness] of findings (B)</p> Signup and view all the answers

"Excellent communication between the ophthalmologist and the maxillofacial surgeon" is essential for what reason?

<p>[Ensuring prompt diagnosis and intervention] (D)</p> Signup and view all the answers

What should a student be able to understand upon completion of this lecture?

<p>The clinical manifestations, diagnostic processes, and management principles of orbital and/or zygomatic traumatic injuries (B)</p> Signup and view all the answers

What should students understand about zygomatic fractures?

<p>They are more common than Le fort II fractures. (B)</p> Signup and view all the answers

What is the primary focus of the lecture on orbital and zygomatic trauma?

<p>Diagnostic processes for orbital and zygomatic injuries (A)</p> Signup and view all the answers

What is the most common etiology for orbital and zygomatic trauma?

<p>Motor Vehicle Accidents (MVA) (A)</p> Signup and view all the answers

What is the primary diagnostic consideration for orbital fractures?

<p>Inspection of the orbital rim (B)</p> Signup and view all the answers

Which type of fracture is commonly associated with other fractures of the facial skeleton?

<p>Le Fort fractures (C)</p> Signup and view all the answers

What should the initial ophthalmologic evaluation include for suspected orbital fractures?

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

What is a potential clinical manifestation of orbital fractures?

<p>Infraorbital nerve paresthesia (A)</p> Signup and view all the answers

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