Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Considerations on ceramic prosthesis explants.

A Toni1, S Stea, S Squarzoni

  • 1Clinica Ortopedica dell'Università di Bologna.

La Chirurgia Degli Organi Di Movimento
|October 1, 1992
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Computer aided densitometric image analysis of bone remodelling after total hip arthroplasty.

Technology and health care : official journal of the European Society for Engineering and Medicine·2014
Same author

Metal hypersensitivity testing in patients undergoing joint replacement: a systematic review.

The Journal of bone and joint surgery. British volume·2012
Same author

Established cell lines and primary cultures in testing medical devices in vitro.

Toxicology in vitro : an international journal published in association with BIBRA·2010
Same author

Bone-targeted doxorubicin-loaded nanoparticles as a tool for the treatment of skeletal metastases.

Current cancer drug targets·2010
Same author

The potential role of metal ion release as a marker of loosening in patients with total knee replacement: a cohort study.

The Journal of bone and joint surgery. British volume·2010
Same author

Knee arthrodesis with the Ilizarov external fixator as treatment for septic failure of knee arthroplasty.

Journal of orthopaedics and traumatology : official journal of the Italian Society of Orthopaedics and Traumatology·2010
Same journal

Delay in diagnosis of acute on chronic exertional compartment syndrome of the leg.

La Chirurgia degli organi di movimento·2009
Same journal

Stress fracture of the fourth metatarsal in a child: a case report and review of the literature.

La Chirurgia degli organi di movimento·2009
Same journal

Early aseptic loosening of a porous tantalum knee prosthesis.

La Chirurgia degli organi di movimento·2009
Same journal

Nonunion of a Hoffa fracture in an adult.

La Chirurgia degli organi di movimento·2009
Same journal

Tibial plateau fractures in elderly patients.

La Chirurgia degli organi di movimento·2009
Same journal

Acetabular transverse nonunion treated by a hemispherical press-fit cup and structural autologous bone graft.

La Chirurgia degli organi di movimento·2009
See all related articles

Massive wear in ceramic joint prostheses is linked to acetabular loosening. Alumina ion diffusion may cause osteomalacia in surrounding bone tissue.

Area of Science:

  • Orthopedic surgery
  • Biomaterials science
  • Histopathology

Background:

  • Ceramic joint surfaces are used in prostheses for their durability.
  • Wear debris from prostheses can impact surrounding tissues.
  • Understanding wear mechanisms is crucial for improving implant longevity.

Purpose of the Study:

  • To investigate wear phenomena in explanted ceramic joint prostheses.
  • To explore the relationship between wear severity and implant fixation.
  • To examine histological changes in bone tissue adjacent to alumina-coated implants.

Main Methods:

  • Analysis of 11 explanted prostheses with ceramic joint surfaces.
  • Quantification of wear debris concentration per square micrometer.
  • Histological examination of bone tissue surrounding alumina-coated stems.

Related Experiment Videos

Main Results:

  • Moderate wear (20-22,000 debris/µm²) observed in 9 prostheses.
  • Massive wear (100,000-218,000 debris/µm²) in 2 cases, associated with acetabular loosening.
  • Histological examination revealed demineralization (approx. 500 µm) in bone adjacent to alumina (Al2O3) coating.

Conclusions:

  • Acetabular loosening appears to be a trigger mechanism for massive wear in ceramic joint prostheses.
  • Alumina ion diffusion may contribute to osteomalacia in peri-implant bone tissue.