Open Access

Table I

Patient selection criteria. ICHD-3 = International Classification of Headache Disorders 3rd edition (IHS 2018).

Inclusion criteria Non-inclusion criteria
  • Age >18

  • Signed informed consent

  • Patient with health insurance

  • Patient with untreated orofacial pain or not relieved by over 3 months treatment

  • Patient fulfilling the criteria of painful post-traumatic trigeminal neuropathy (ICHD-3):

  • A. Facial and/or oral pain in the distribution(s) of one or both trigeminal nerve(s) and fulfilling criterion C

  • B. History of an identifiable traumatic event to the trigeminal nerve(s), with clinically evident positive (hyperalgesia, allodynia) and/or negative (hypaesthesia, hypalgesia) signs of trigeminal nerve dysfunction. The traumatic event may be mechanical, chemical, thermal or caused by radiation.

  • C. Evidence of causation demonstrated by both of the following:

    • 1.

      pain is localized to the distribution(s) of the trigeminal nerve(s) affected by the traumatic event

    • 2.

      pain has developed <6 months after the traumatic event

  • D. Not better accounted for by another ICHD-3 diagnosis

  • Patient with orofacial pain efficiently treated with drugs

  • Patient refusing to participate in the investigation

  • Non adult patient

  • Patient with communication impairment

  • Patient participating in another investigation

  • Patient with no health insurance

  • Patient using a drug that might cause chronic orofacial pain (such as neuroleptics or conversion enzyme inhibitors)

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