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The Future of Orthopedics:
News, Trends, and Insights from the World of Hip and Knee Replacement and Beyond

Read up on the research transforming total joint arthroplasty – and the BIOLOX® ceramic components shaping the future of patient care. 

New Zealand national flag used as a visual backdrop for content summarizing key messages from the New Zealand Joint Replacement Registry Report 2025

Key insights from the New Zealand Joint Replacement Registry Report 2025

The NZJR’s latest Annual Report portrays several important trends and outcomes in hip arthroplasty in New Zealand over 26 years (1999-2024).

Here are the takeaways to know.

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Australien national flag used as a visual backdrop for content summarizing key messages from the 2025 AOA NJRR Annual Report

AOA NJRR 2025: Ceramic Bearings in the Modern THA Era

The 2025 Australian Registry reflects some consistent realities in primary total hip arthroplasty for osteoarthritis (OA) in Australia: cross-linked polyethylene (XLPE) is widely used (97.2%), cementless fixation dominates, and heads larger than 32mm are the norm.

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Icon of a ceramic‑on‑polyethylene bearing couple displayed over a U.S. flag, representing an overview of key takeaways from the AJRR Annual Report 2025 on hip arthroplasty trends.

The AJRR Annual Report 2025: a digest of the main takeaways

The AMERICAN JOINT REPLACEMENT REGISTRY, NFP (AJRR) has collected data on over 1.8 million joint arthroplasty procedures between 2012 and 2024, providing an overview of meaningful trends and outcomes in hip and knee replacement surgery as reported in the US.

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Stylized graphic of a ceramic femoral head with a titanium sleeve, illustrating modern bearing components used in total hip arthroplasty.

8 years, 316 cases, 0 HNJ failures: BIOLOX ® OPTION systems hold up in revision THA

Since their introduction in 2005 under the BIOLOX®OPTION name, sleeved BIOLOX®𝘥𝘦𝘭𝘵𝘢 ceramic heads have been widely adopted – CeramTec internal records show ~1.5 million units distributed worldwide.

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X‑ray image of a knee implant with labeled cobalt (Co) and chromium (Cr) markers indicating areas of metal‑ion release around the prosthetic components.

Metal release in knee replacement: “under-studied and poorly understood”

A recent systematic review led by Drs. William Mihalko, Michael Mont, and Steven M. Kurtz’s team sheds light on the oft-overlooked issue of metal ion release in vivo following total knee arthroplasty (TKA).

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Cover and title page of the EPRD Annual Report 2024 from the Endoprosthesis Registry Germany, highlighting key authors and the theme “With Safety More Quality”.

German hip registry confirms: ceramic + 36mm heads set the standard in primary THA

The Endoprothesenregister Deutschland (EPRD) continues to broaden and deepen its findings to provide comprehensive, up-to-date statistics on German trends in total joint arthroplasty and German surgeon preferences in bearings, fixation and component types.

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Image showing an active individual bending forward with a BIOLOX® ceramic hip implant highlighted.

BIOLOX®ceramic total hip replacement helps patient to play the long game

39-year follow-up shows bearing couple – and active patient – in excellent condition

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X-ray image of a hip joint with a ceramic-on-ceramic implant in place.

Rare but Manageable: 36 cases prove ceramic-on-ceramic to be a viable option after ceramic fracture

Ceramic component fracture is a very rare complication in total hip arthroplasty (THA). But when it does happen, the choice of revision strategy matters.

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Composite image showing a close-up of microscopic views of corrosion patterns, with text indicating new research on corrosion at metaphyseal sleeve-implant interfaces in total knee arthroplasty.

What’s up your metaphyseal sleeve? It could be corrosion

New research gets to the root of metal corrosion in revision TKA – and its consequences

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