Nerve Injuries in Oral & Maxillofacial Surgery Quiz
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Which nerve is most commonly injured during the removal of benign tumors from the parotid gland?
A. Facial nerve
B. Trigeminal nerve
C. Glossopharyngeal nerve
D. Hypoglossal nerve
Which nerve injury may result in altered taste sensation on the posterior one-third of the tongue?
A. Glossopharyngeal nerve
B. Lingual nerve
C. Chorda tympani nerve
D. Hypoglossal nerve
What is the common consequence of injury to the buccal nerve during maxillofacial surgery?
A. Numbness of the lower lip
B. Paresthesia of the cheek
C. Anesthesia of the buccal mucosa
D. Alteration in taste sensation
What is a potential complication of injury to the inferior alveolar nerve during dental implant placement in the mandible?
A. Gustatory sweating
B. Trismus
C. Paraesthesia of the lower lip and chin
D. Difficulty swallowing
Which nerve injury may result in ipsilateral paralysis of the muscles of facial expression?
A. Trigeminal nerve
B. Facial nerve
C. Hypoglossal nerve
D. Oculomotor nerve
Which nerve is most commonly affected during extraction of the mandibular third molars (wisdom teeth)?
A. Inferior alveolar nerve
B. Lingual nerve
C. Mental nerve
D. Buccal nerve
What is a potential complication of injury to the glossopharyngeal nerve during tonsillectomy or related procedures?
A. Loss of taste sensation
B. Numbness of the lower lip
C. Difficulty swallowing
D. Paresthesia of the tongue
During orthognathic surgery, injury to which nerve may result in difficulty swallowing and speech impairment?
A. Lingual nerve
B. Hypoglossal nerve
C. Glossopharyngeal nerve
D. Vagus nerve
Which nerve is at risk during orthognathic surgery involving the maxillary impaction?
A. Trigeminal nerve
B. Olfactory nerve
C. Nasopalatine nerve
D. Facial nerve
What is the most common symptom of lingual nerve injury during dental procedures?
A. Numbness of the lower lip
B. Loss of taste sensation on the anterior two-thirds of the tongue
C. Anesthesia of the tongue
D. Paresthesia of the lower lip
Which nerve injury is associated with the risk of Frey syndrome (gustatory sweating) after parotid surgery?
A. Facial nerve
B. Trigeminal nerve
C. Glossopharyngeal nerve
D. Hypoglossal nerve
Which nerve is at risk during orthognathic surgery involving the sagittal split ramus osteotomy?
A. Inferior alveolar nerve
B. Buccal nerve
C. Lingual nerve
D. Mental nerve
Which nerve is at risk during Le Fort I osteotomy, which involves the separation of the maxilla from the skull base?
A. Trigeminal nerve
B. Facial nerve
C. Olfactory nerve
D. Maxillary nerve
Which surgical procedure is most likely to cause injury to the mental nerve?
A. Mandibular third molar extraction
B. Sagittal split ramus osteotomy
C. Le Fort I osteotomy
D. Maxillary sinus augmentation