Persistent dento-alveolar pain disorder (PDAP): Working towards a better understanding

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Summary points • New terminology, persistent dento-alveolar pain disorder (PDAP), and diagnostic criteria have been put forward to address the shortcomings of existing nomenclature, which are associated with unclear criteria. • Arriving at an accurate diagnosis of PDAP is based on excluding other possible aetiologies, and may involve different care providers. • Synthesis of published data suggests that PDAP has a frequency of occurrence following root canal therapy of around 1.6%. • The putative risk factors involved in PDAP are largely unknown, but seem to be similar to those being identified with other post-surgical chronic pain disorders. • The underlying mechanisms involved in the development of and/or perpetuating PDAP are unknown and the approach to treatment remains empiric in nature.
Original languageEnglish (US)
Pages (from-to)18-25
Number of pages8
JournalReviews in Pain
Issue number4
StatePublished - 2011


  • Non-odontogenic tooth pain, chronic tooth pain, atypical odontalgia, phantom tooth pain, review, diagnosis, epidemiology, mechanisms


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