INBDE (Integrated National Board Dental Examination) Practice Exam

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What crosses superior to the lingual nerve?

Maxillary artery
Facial nerve
Submandibular duct
Lingual artery

The correct answer is: Submandibular duct

The submandibular duct, or Wharton's duct, crosses over the lingual nerve superiorly. The lingual nerve passes deep to the duct, while the facial nerve passes anteriorly and the lingual artery passes inferiorly. The maxillary artery does not cross over the lingual nerve in this region.