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Related Experiment Video

Updated: May 18, 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

The biological aging of titanium implants.

Jae Hoon Lee¹, Takahiro Ogawa

¹Department of Prosthodontics, College of Dentistry, Yonsei University, Seoul, Korea. jaehoon115@yuhs.ac

Implant Dentistry

|September 13, 2012

Summary

Titanium implants show reduced bone integration over time due to "biological aging." This phenomenon explains why ideal bone-implant contact is not achieved, impacting dental and orthopedic therapies.

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Last Updated: May 18, 2026

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Area of Science:

Biomaterials Science
Orthopedic Surgery
Dental Implantology

Background:

Titanium implants are vital in reconstructive therapies.
Achieving 100% bone-implant contact remains a challenge.
The reasons for incomplete osseointegration are not fully understood.

Purpose of the Study:

To introduce the concept of titanium's biological aging.
To explain the time-dependent reduction in titanium's biological properties.
To advance the understanding of osseointegration.

Main Methods:

Literature review of recent findings on titanium processing and biological response.
Analysis of studies reporting time-dependent changes in titanium osteoconductivity.
Synthesis of information on the biological aging phenomenon.

Main Results:

Titanium's osteoconductivity and biological capabilities decrease over time after processing.
This time-dependent reduction is defined as biological aging.
Biological aging impacts the success of osseointegration.

Conclusions:

Biological aging of titanium is a key factor limiting ideal bone-implant contact.
Understanding this phenomenon is crucial for improving future implant surface designs.
Further research into mitigating biological aging can enhance reconstructive therapies.