What's the difference between a zirconium knee replacement and a high-flex knee replacement? I've heard zirconium implants last longer but not sure if they're better for active people. Also, how does minimally invasive surgery compare to traditional knee replacement in terms of recovery time and pain?

Answered by 1 Apollo Doctors

Dr Kamran Mohammed

General Practitioner

MBBS
FIDM
5+ Yrs

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Zirconium and high-flex knee replacements differ primarily in their design and intended function. High-flex replacements are designed to allow for a greater range of motion, while zirconium implants are known for their durability and potential long-term survivorship. Minimally invasive surgery offers a faster recovery and reduced pain compared to traditional knee replacement.

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Answered 14/08/2025

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I've had knee pain for about a year now and just got my MRI results. It shows a Grade 2 signal in the posterior horn of the medial meniscus, minimal joint effusion, and a Baker's cyst measuring 1.8x1.5x2.9 cm. Is surgery necessary or can proper exercises help heal this?

It's unlikely that surgery is immediately necessary for your knee pain, given the MRI findings. While the Grade 2 meniscus tear, minimal effusion, and Baker's cyst are potential sources of pain, conservative treatments like physical therapy and pain management are often effective, especially with these findings. Surgery is generally considered when conservative treatments fail or if the tear is severe and causing significant functional limitations.