Maxillofacial Trauma 3: Mandibular Traumatic Injuries
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Questions and Answers

What is the primary aim of the lecture on Maxillofacial Trauma?

  • To describe the classification of maxillofacial fractures
  • To discuss the etiology of mandibular fractures
  • To detail the clinical, diagnostic, and management aspects of mandibular traumatic injury (correct)
  • To explain the relation of maxillofacial fractures to overlying tissue
  • Which of the following is NOT listed as a common etiology of mandibular fractures?

  • Motor Vehicle Accidents (MVA)
  • Violence
  • Industrial Accidents (correct)
  • Sport injury
  • What is the classification of maxillofacial fractures based on the relation to overlying tissue?

  • Location - Symphyseal, Parasymphyseal, Body, Angle, Ramus, Coronoid, Condylar, Dentolaveolar
  • Simple (open), Compound (closed), Complicated (soft tissue loss) (correct)
  • Direction of force - Direct, Indirect, Favorable or unfavorable
  • Fracture line - Greenstick, Single, Multiple, Comminuted, Defect
  • What type of mandibular fracture is related to impacted teeth?

    <p>Dentolaveolar fracture</p> Signup and view all the answers

    What is the primary etiology for atrophic mandibular fractures?

    <p>Iatrogenic pathologic activities</p> Signup and view all the answers

    In the context of mandibular fractures, what does 'comminuted' refer to?

    <p>A fracture with multiple fragments</p> Signup and view all the answers

    What type of force is considered favorable in the direction of force for maxillofacial fractures?

    <p>Direct</p> Signup and view all the answers

    What type of maxillofacial fracture involves a fracture at the base of the coronoid process?

    <p>'Ramus' fracture</p> Signup and view all the answers

    What type of maxillofacial fracture involves a fracture at the base of the coronoid process?

    <p><code>Ramus</code> fracture</p> Signup and view all the answers

    When a mandibular traumatic injury results in soft tissue loss, it is classified as:

    <p>Complicated (soft tissue loss)</p> Signup and view all the answers

    What does 'Greenstick' refer to in the context of maxillofacial fractures?

    <p>A single fragment in a fracture line that is partially broken</p> Signup and view all the answers

    What is the primary aim of classifying maxillofacial fractures based on the relation to overlying tissue?

    <p>To guide treatment planning</p> Signup and view all the answers

    What is the primary aim of diagnosing mandibular fractures?

    <p>To systematically examine clinical and radiographic features</p> Signup and view all the answers

    Which imaging technique is recommended when a patient cannot assume a position for plain radiography due to severe displacement and limited range of motion?

    <p>Computed tomography</p> Signup and view all the answers

    What is the length of fixation recommended for adults after closed reduction of mandibular fractures?

    <p>3-4 weeks</p> Signup and view all the answers

    Which technique of fixation involves using IMF screws for mandibular fractures?

    <p>IMF screws</p> Signup and view all the answers

    What are the absolute indications for open reduction of condylar fracture according to the text?

    <p>Concurrent condylar fracture</p> Signup and view all the answers

    What are the potential complications of mandibular fractures if not treated properly?

    <p>Nerve injury, growth alteration, and ankylosis</p> Signup and view all the answers

    What is the mode of fixation recommended for managing unfavorable or unstable mandibular fractures?

    <p>Rigid fixation</p> Signup and view all the answers

    Study Notes

    Maxillofacial Trauma

    • The primary aim of the lecture on Maxillofacial Trauma is to understand the etiology, classification, and management of maxillofacial fractures.

    Etiology of Mandibular Fractures

    • The common etiologies of mandibular fractures do not include osteoporosis.
    • Atrophic mandibular fractures are primarily caused by osteoporosis.

    Classification of Maxillofacial Fractures

    • Maxillofacial fractures are classified based on their relation to overlying tissue into open or closed fractures.
    • The primary aim of classifying maxillofacial fractures is to determine the severity of the injury and guide treatment.

    Types of Mandibular Fractures

    • Impacted teeth are related to subcondylar fractures.
    • Comminuted refers to a fracture that results in multiple pieces of bone.
    • A coronoid fracture involves a fracture at the base of the coronoid process.
    • A complex fracture results in soft tissue loss.

    Types of Forces

    • Glancing force is considered favorable in the direction of force for maxillofacial fractures.

    Diagnosis and Management

    • The primary aim of diagnosing mandibular fractures is to identify the severity of the injury and guide treatment.
    • CT scans are recommended when a patient cannot assume a position for plain radiography due to severe displacement and limited range of motion.
    • The length of fixation recommended for adults after closed reduction of mandibular fractures is 4-6 weeks.
    • The technique of fixation involving IMF screws is used for mandibular fractures.
    • The absolute indications for open reduction of condylar fracture include displacement of the condylar head, impingement on the glenoid fossa, and limitation of jaw movement.

    Complications and Fixation

    • Potential complications of mandibular fractures if not treated properly include malunion, nonunion, and osteomyelitis.
    • The mode of fixation recommended for managing unfavorable or unstable mandibular fractures is rigid internal fixation.

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    Description

    Learn about the clinical, diagnostic, and management aspects of mandibular traumatic injuries in this lecture. Understand the manifestations, diagnostic processes, and principles of management for mandibular traumatic injuries.

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