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82.4% of femoral heads in US elective primary THA were ceramic in 2025. In 2012, it was 38.1%.

The new American Joint Replacement Registry (AJRR) Annual Report is out, just as American Association of Hip and Knee Surgeons (AAHKS) 2026 opens in Dallas under the presidency of Dr. Antonia Chen, with Dr. Linda Suleiman, MD FAAOS as Program Chair.

Line chart: ceramic femoral heads rise from 38.1% in 2012 to 82.4% in 2025; cobalt chromium declines.

The reports’ Hip Figure 2.7 tracks femoral head material across 1,158,043 elective primary THA procedures (excluding dual mobility) from 2012 to 2025: 

➡️ Ceramic: 38.1% to 82.4% 

➡️ Cobalt chromium: 55.8% to 5.3%

➡️ Ceramicized metal: 6.1% to 12.3% 

 

Ceramic overtook cobalt chromium in 2014. Since 2022, ceramic has stayed above 81% of the heads reported to the registry. 

In 13 years, ceramic went from a minority choice to the clear majority of femoral heads in the AJRR. 

Behind that curve are surgeons choosing what they trust for their patients. 

We are proud that BIOLOX®delta been part of this story since 2003. 

That is meanwhile more than 23 years of clinical evidence¹, built on more than 50 years of ceramics experience². 

 

¹ BIOLOX®delta registered and in clinical use since 2003. CeramTec data on file. 

² Refers to CeramTec's experience in the development and manufacture of medical-grade ceramics since 1974. 

 

Source: AJRR Annual Report, Hip Figure 2.7. The AJRR Annual Report

"Ceramic" includes all ceramic head products and is not specific to one manufacturer. 

 

Please check for regulatory approval in your country.

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