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Papers of the Week

2020 Feb 10

Pain Med

Differences in the Clinical Characteristics of Persistent Idiopathic Facial Pain (Atypical Odontalgia) Patients with or Without Neurovascular Compression of the Trigeminal Nerve.


Kawasaki K, Sugawara S, Watanabe K, Hong C, Tu T T H, Watanabe T, Sakamoto J, Yoshino N, Suga T, Mikuzuki L, Takenoshita M, Takada S, Kurabayashi T, Toyofuku A
Pain Med. 2020 Feb 10.
PMID: 32040150.


Persistent idiopathic facial pain (PIFP) is the unexplained pain along the territory of the trigeminal nerve, including nonorganic tooth pain called atypical odontalgia (AO). Though PIFP is debilitating to patients' livelihood and well-being, its pathophysiology remains poorly understood. Although neurovascular compression (NVC) of the trigeminal nerve is known to be associated with trigeminal neuralgia (TN), the relationship between NVC and other orofacial pains has not been fully elucidated.