Chronic orofacial pain

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Abstract

While pain chronicity in general has been defined as pain lasting for more than 3 months, this definition is not useful in orofacial pain (OFP) and headache (HA). Instead, chronicity in OFP and HA is defined as pain occurring on more than 15 days per month and lasting for more than 4 h daily for at least the last 3 months. This definition excludes the periodic shortlasting pains that often recur in the face and head, but are not essentially chronic. Although the headache field has adopted this definition, chronic orofacial pain is still poorly defined. In this article, we discuss current thinking of chronicity in pain and examine the term 'chronic orofacial pain' (COFP). We discuss the entities that make up COFP and analyze the term's usefulness in clinical practice and epidemiology.

Original languageEnglish (US)
Pages (from-to)575-588
Number of pages14
JournalJournal of Neural Transmission
Volume127
Issue number4
DOIs
StatePublished - Apr 1 2020

All Science Journal Classification (ASJC) codes

  • Neurology
  • Clinical Neurology
  • Psychiatry and Mental health
  • Biological Psychiatry

Keywords

  • Facial pain
  • Headache
  • Migraine
  • Myalgia
  • Neuropathic pain
  • Persistent pain

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