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Otolaryngology (ENT)21 papers

Subluxation of tooth

Last edited: 4/15/2026

Overview

Subluxation of the ossicles refers to an abnormal displacement of the ossicular chain within the middle ear, often resulting from trauma or chronic otitis media, leading to conductive hearing loss 1.

Diagnosis

  • Key Diagnostic Criteria: History of trauma or otitis media, conductive hearing loss, and abnormal tympanometric tracing (notched high-compliance pattern) 1.
  • Recommended Tests: Tympanometry to identify notched tracings indicative of ossicular discontinuity 1.
  • Grading: Typically assessed clinically and radiographically; pneumatic otoscopy may aid in presumed reduction 1.

    • Management

  • First-Line Treatments: Observation in asymptomatic cases, pneumatic otoscopy for suspected reduction 1.
  • Adjunctive Treatments: Surgical exploration and repair (e.g., ossicular chain reconstruction) if conservative measures fail or significant hearing loss persists 1.

    • Special Populations

  • Pediatrics: Specific management strategies not detailed in provided abstracts 1.
  • Elderly: No unique considerations mentioned in the abstracts 1.
  • Comorbidities: No specific guidance provided for patients with comorbidities 1.

    • Key Recommendations

  • Perform tympanometry to diagnose ossicular subluxation via characteristic notched tracings (Evidence: Moderate) 1.
  • Consider pneumatic otoscopy as a non-invasive method for potential reduction of subluxated ossicles (Evidence: Weak) 1.
  • Refer for surgical intervention if there is persistent conductive hearing loss unresponsive to conservative management (Evidence: Expert opinion) 1.

    • References

    1 Frisch LE. Presumed reduction of acute ossicular subluxation by pneumatic otoscopy. Tympanometric evidence. Journal of adolescent health care : official publication of the Society for Adolescent Medicine 1988. link90077-0)

    Original source

    1. [1]
      Presumed reduction of acute ossicular subluxation by pneumatic otoscopy. Tympanometric evidence. — Frisch LE Journal of adolescent health care : official publication of the Society for Adolescent Medicine (1988)
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