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Related Experiment Videos

Occupational pharyngitis associated with allergic patch test reactions from acrylics.

L Kanerva1, T Estlander, R Jolanki

  • 1Institute of Occupational Health, Helsinki, Finland.

Allergy
|October 1, 1992
PubMed
Summary

A dentist experienced throat inflammation from workplace acrylics. Patch tests revealed a strong allergy, suggesting type IV reactions may cause upper respiratory symptoms in occupational settings.

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Area of Science:

  • Occupational Health
  • Allergology
  • Dental Medicine

Background:

  • Dental professionals, particularly orthodontists, are exposed to various chemicals, including acrylics.
  • Upper respiratory symptoms like pharyngitis can impact a professional's well-being and work capacity.

Observation:

  • A female orthodontist developed recurrent pharyngitis exclusively at her workplace.
  • Environmental chamber provocation testing identified workplace acrylics as the causative agent for her symptoms.

Findings:

  • Standard skin prick tests for acrylic allergy were negative.
  • Dermal patch testing yielded strongly positive results, despite the absence of any skin-related symptoms.
  • This discrepancy highlights potential differences in allergic responses between skin and respiratory tissues.

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Implications:

  • The findings suggest that positive patch tests for acrylics may indicate a risk for type IV hypersensitivity reactions in the upper respiratory tract.
  • This case underscores the importance of considering delayed-type hypersensitivity (type IV) in occupational pharyngitis among dental professionals.
  • Further research into respiratory patch testing or alternative diagnostic methods for occupational airway allergies is warranted.