Patient Education

To help you understand and navigate through your orthopedic health decisions, we have created a patient education section. Please select from one of the categories below to learn more about your condition or procedure.
Cemented & Cementless Knee Replacement

About Cemented & Cementless Knee Replacement

Here is a concise summary comparing cemented and cementless knee replacements:

Key Differences

  • Cemented knee replacements use bone cement to fix the implant components to the bone, providing immediate stability.
  • Cementless implants have a porous surface that allows the bone to grow into the implant over time for biological fixation.

Advantages of Cemented

  • Cement provides immediate fixation, especially in patients with poor bone quality like osteoporosis.
  • Cemented implants have a long track record of success, often lasting 15-20 years or more.
  • The cement dries quickly (within 10 minutes) to secure the implant after surgery.

Advantages of Cementless

  • May be preferred for younger, more active patients as they provide excellent long-term stability and durability.
  • Eliminates the small risk of cement-related complications like allergic reactions.
  • Reduces operating room time by about 25-27 minutes on average compared to cemented.


  • Both cemented and cementless knee replacements have good long-term success rates, but cementless requires more time for bone ingrowth.
  • A recent study found no difference in complications, readmissions or revision rates at 2 years between the two techniques.

Factors to Consider

  • Patient age, activity level, bone quality, and surgeon preference help determine the best approach.
  • Cementless may be preferred for younger, active patients with good bone stock.
  • Cemented is a reliable option, especially for patients with poor bone quality.

In summary, while cementless knee replacements show promise, cemented implants remain the most widely used with extensive long-term data supporting their efficacy. The choice depends on patient factors and surgeon experience.

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