Neuralgia-inducing cavitational osteonecrosis

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Neuralgia-inducing cavitational osteonecrosis (NICO) is a diagnosis whereby a putative jawbone cavitation causes chronic facial neuralgia; this is different from osteonecrosis of the jaw.[1] In NICO the pain is said to result from the degenerating nerve ("neuralagia").[2][3][1] The condition is probably rare, if it does exist.[4]

Also called Ratner's bone cavity, a neuralgia-inducing cavitational osteonecrosis was first described in dental literature by G V Black in 1920.[5] Several decades later, oral pathologist Jerry E Bouquot took especial interest in NICO.[5]

The diagnostic criteria for NICO are imprecise, and the research offered to support it is flawed.[6] The diagnosis is popular among holistic dentists[7] who attempt to treat NICO by surgically removing the dead bone they say is causing the pain.[8]

It has been rejected as

maxillofacial surgeons.[9][10][11][12] In its position statement, dated 1996, the American Association of Endodontists asserted that although NICO occur and are treatable in toothless areas, NICO occurrence and treatment at endodontically treated teeth is generally implausible, that the diagnosis ought to be a last resort, and that routine extraction of endodontically treated teeth is misguided.[5]

See also

Footnotes

  1. ^
    PMID 1545963
    .
  2. PMID 287984
    .
  3. PMID 291856
    .
  4. ISBN 978-0-7020-4948-4
    .
  5. ^ a b c "AAE Position Statement on NICO lesions (Neuralgia-Inducing Cavitational Osteonecrosis)" (PDF). AAE Research and Scientific Affairs Committee. Archived from the original (PDF) on 5 March 2016. Retrieved 8 May 2013.
  6. PMID 10981982
    .
  7. ^ Yi, Daniel (18 June 2006). "Roots of a Dental Controversy". Los Angeles Times. Archived from the original on 21 February 2015. Retrieved 25 June 2017.
  8. PMID 7699492
    .
  9. PMID 14977370
    .
  10. ^ Kreidler, Marc (18 May 2019). "Cavitational Osteopathosis, Bouquot, NICO, and 'Biological Dentistry'". Quackwatch.
  11. PMID 14977380
    .
  12. PMID 19371400
    .

Further reading
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