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Related Experiment Videos

[The relation between trace element selenium and osseointegration of titanium implants].

B Sun1, B Liu

  • 1Department of Stomatology, Qinghe Clinic of Second Artillery Troops of PLA, Beijing 100085.

Zhonghua Kou Qiang Yi Xue Za Zhi = Zhonghua Kouqiang Yixue Zazhi = Chinese Journal of Stomatology
|February 24, 2001
PubMed
Summary

Selenium supplementation enhances titanium implant osseointegration in rabbits. This trace element significantly improves bone-implant fixation strength and accelerates healing compared to controls.

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Area of Science:

  • Biomaterials Science
  • Orthopedic Research
  • Trace Element Metabolism

Context:

  • Titanium implants are widely used in orthopedic surgery.
  • Osseointegration, the direct structural and functional connection between living bone and an implant surface, is critical for implant success.
  • The role of trace elements, such as selenium, in modulating osseointegration is not fully understood.

Purpose:

  • To investigate the effect of selenium supplementation on the osseointegration of titanium implants in a rabbit model.
  • To evaluate the relationship between local selenium levels and implant fixation strength.

Summary:

  • Thirty-six rabbits received bilateral titanium implants in the proximal tibia, divided into control and selenium-treated groups.
  • The selenium group received daily intramuscular injections of sodium selenite (Na2SeO3) at 10 µg/kg for 6 days postoperatively.

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  • Assessments included trace element analysis, histological examination, and mechanical testing of implant fixation.

    • Impact:

    • Selenium supplementation significantly enhanced osseointegration and improved implant fixation strength at 1 and 4 weeks post-implantation.
    • Results indicate a positive correlation between bone selenium content and implant fixation strength.
    • This study suggests selenium as a potential therapeutic agent to improve orthopedic implant outcomes.