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Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...
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Eustachian tube dysfunction in OSMF- often present seldom discovered.

Sana-Noor Siddiqui1, Nisheeth Saawarn2, Preeti P Nair2

  • 1PG student. Department of Oral Medicine and Radiology. People's College of Dental Sciences and Research Centre. Bhopal, India.

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|January 17, 2015
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Summary

Oral submucous fibrosis (OSMF) affects Eustachian tube function, with dysfunction worsening as the disease progresses. However, this dysfunction does not lead to conductive hearing loss.

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Area of Science:

  • Otolaryngology
  • Oral Medicine
  • Audiology

Background:

  • Oral submucous fibrosis (OSMF) is a chronic, potentially malignant oral condition.
  • The impact of OSMF on Eustachian tube (ET) function is not well-established.
  • Understanding ET function is crucial for middle ear health and hearing.

Purpose of the Study:

  • To investigate the effect of OSMF on Eustachian tube function.
  • To correlate the severity of ET dysfunction with different grades of OSMF.

Main Methods:

  • Evaluated 20 OSMF patients (40 ears) and 20 healthy controls (40 ears).
  • Assessed Eustachian tube function using the Eustachian tube function test.
  • Utilized tympanometry and audiometry for comprehensive auditory assessment.

Main Results:

  • No significant differences in hearing abilities (audiometry, tympanometry) between OSMF patients and controls.
  • Statistically significant difference in Eustachian tube function between OSMF patients and controls.
  • Increased severity of Eustachian tube dysfunction correlated with increased OSMF severity.

Conclusions:

  • OSMF disease process impacts subjective Eustachian tube function.
  • The observed ET dysfunction in OSMF patients does not appear to cause conductive hearing loss.
  • Further research may explore the clinical implications of ET dysfunction in OSMF.