Dental Surgery: Root Fragment In Situ Policy Quiz
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Questions and Answers

What type of nerve injury is characterized by the nerve sheath and axon being intact, healing after one month?

  • Neurotemsis
  • Neuralgia
  • Axonotmesis
  • Neuropyrexia (correct)
  • Which condition is considered a common predisposing factor for inferior alveolar nerve (IAN) injury during extraction?

  • Vertical impaction
  • Distal impaction
  • Lateral impaction
  • Mesioangular impaction (correct)
  • Inferior alveolar nerve (IAN) walks between the roots in cases of:

  • Root parallelism
  • Severe curvature of the root (correct)
  • Root resorption
  • Minimal root divergence
  • What radiographic sign related to the inferior alveolar nerve can be observed during extraction?

    <p>Darkening of apical end of the root</p> Signup and view all the answers

    What is the most common type of nerve injury where only the axon is cut, potentially healing partially after 3-4 months?

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

    In which type of impaction is 'horizontal impaction' particularly concerning for IAN during extraction?

    <p>'Mesioangular impaction'</p> Signup and view all the answers

    What technique involves separating the crown from the root and then removing each part alone during extraction?

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

    'Pinching the lingual tissues with a forceps' can lead to injury to which nerve?

    <p>'Mental nerve'</p> Signup and view all the answers

    'Severe curvature of the root' can result in IAN walking between the roots of which tooth?

    <p>'Third molar'</p> Signup and view all the answers

    What is the most severe type of nerve injury where both the nerve sheath and the axon are cut with extremely low chances of healing?

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

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