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[Ionomer cement prostheses in reconstructive middle ear surgery]

G Geyer1, J Helms

  • 1HNO-Klinik Solingen.

HNO
|June 1, 1997
PubMed
Summary
This summary is machine-generated.

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Ionomer cement demonstrates biocompatibility and biostability for middle ear ossicular chain reconstruction. Long-term results show stable audiological outcomes, making it a recommendable bone replacement material.

Area of Science:

  • Biomaterials Science
  • Otolaryngology
  • Regenerative Medicine

Context:

  • Middle ear ossicular chain reconstruction is crucial for hearing restoration.
  • Ionomer cement has shown promise as a biocompatible bone replacement material.
  • Long-term efficacy and safety data for ionomer cement in this application were previously limited.

Purpose:

  • To evaluate the long-term clinical and audiological outcomes of ionomer cement used for ossicular chain reconstruction.
  • To assess the biocompatibility, biostability, and functional results of ionomer cement prostheses over an extended follow-up period.
  • To determine the suitability of ionomer cement for various types of ossicular defects.

Summary:

  • This study assessed ionomer cement (Ionos partial and total ossicles) in 343 cases of ossicular chain reconstruction with a maximum follow-up of 5.5 years.

Related Experiment Videos

  • Audiological results were generally stable, with revision surgery needed in 9% of cases due to displacement (5%) or migration (3%).
  • Complete implant rejection occurred in 1% of cases, primarily associated with infections. Ionomer cement met all criteria for middle ear use.

    • Impact:

    • Ionomer cement is a viable and recommendable material for ossicular reconstruction, offering stable audiological results and good biocompatibility.
    • Findings support the use of ionomer cement in a wide range of ossicular reconstruction scenarios.
    • This research contributes to evidence-based practice in otologic surgery and biomaterials for bone replacement.