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Related Experiment Video

Updated: Jun 27, 2026

Multi-Scale Modification of Metallic Implants With Pore Gradients, Polyelectrolytes and Their Indirect Monitoring In vivo

Multi-Scale Modification of Metallic Implants With Pore Gradients, Polyelectrolytes and Their Indirect Monitoring In vivo

Published on: July 1, 2013

Titanium implants for bone-anchored hearing aids--host reaction.

¹Department of Otolaryngology, Glostrup Hospital, Copenhagen, Denmark.

Acta Oto-Laryngologica. Supplementum

|July 26, 2000

Summary

This summary is machine-generated.

Bone-anchored hearing aids (BAHA) showed a 19.4% implant loss rate in 31 patients, often due to bone resorption. Long-term success rates decrease significantly after the first two years.

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Last Updated: Jun 27, 2026

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Area of Science:

Audiology
Biomedical Engineering
Neurosurgery

Background:

Bone-anchored hearing aids (BAHA) offer a solution for hearing loss.
Implant survival rates are crucial for long-term patient outcomes.

Purpose of the Study:

To evaluate the long-term survival rate of titanium implants used in bone-anchored hearing aids.
To identify potential factors contributing to implant failure.

Main Methods:

Prospective follow-up of 31 patients with BAHA implants.
Life table analysis to assess implant survival over time.
Clinical observation for signs of bone resorption around implants.

Main Results:

A total of 7 implants (19.4%) were lost in 6 patients.
Implant loss occurred after a median of 42 months.
Visible bone resorption was frequently observed around failed implants.
Implant survival rates were approximately 100% at 2 years, 85% at 3-4 years, and 75% at 6-7 years.

Conclusions:

Long-term implant survival for BAHA is a concern, with significant losses occurring after the initial two years.
Bone resorption around the implant is a potential factor in implant extrusion.
Further research is needed to identify factors influencing BAHA implant failure.