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Osseointegration of titanium implants.

L Carlsson, T Röstlund, B Albrektsson

    Acta Orthopaedica Scandinavica
    |August 1, 1986
    PubMed
    Summary
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    Screw-shaped implants demonstrated excellent osseointegration in canine and human bone, suggesting potential for joint reconstruction in arthritis patients. Cylindrical and T-plate implants showed less bone contact.

    Area of Science:

    • Orthopedic surgery
    • Biomaterials science
    • Tissue engineering

    Background:

    • Osseointegration is crucial for the success of orthopedic implants.
    • Understanding bone-to-implant contact is essential for evaluating implant design.

    Purpose of the Study:

    • To evaluate the osseointegration of different titanium implant shapes (screws, cylinders, T-plates) in canine and human bone.
    • To assess the potential of osseointegrated implants in joint reconstruction for arthrosis and rheumatoid arthritis.

    Main Methods:

    • Screws, double cylindrical implants, and T-plates were implanted in canine tibia/femur and human proximal tibia.
    • Implants were retrieved with adjacent bone after 3-14 months.
    • Specimens were sectioned for analysis of tissue-to-metal contact using a specialized technique.

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    Main Results:

    • Screw-shaped implants achieved direct bone-to-implant contact (osseointegration) in all cases.
    • Cylindrical implants and T-plates exhibited only partial bone contact.
    • Osseointegration was confirmed in both canine and human subjects.

    Conclusions:

    • Screw-shaped titanium implants demonstrate successful osseointegration.
    • Osseointegrated implants show promise for applications in joint reconstruction, particularly for conditions like arthrosis and rheumatoid arthritis.