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Partial versus total knee

Partial versus total knee replacement depends on where the arthritis lives.

Partial knee replacement may fit selected patients with arthritis limited to one compartment. Total knee replacement is more appropriate when arthritis, deformity, ligament status, or pain pattern is broader.

Practical guidance

The decision should be based on weight-bearing X-rays, exam, ligament function, alignment, pain pattern, activity goals, and surgeon judgment.

01

Map the arthritis

Medial, lateral, patellofemoral, or tricompartment arthritis can point toward different options.

02

Check the ligaments

Partial knee replacement requires the right stability and alignment. Ligament problems can change candidacy.

03

Compare recovery and revision risk

Patients should understand benefits, limitations, expected recovery, and what happens if symptoms persist.

When to slow down or call

Recovery guidance should make warning signs easier to recognize.

Pain location alone is not enough
MRI findings must be interpreted with weight-bearing X-rays
Partial knee replacement is not for every arthritis pattern
Persistent pain after partial knee replacement needs careful workup

Need a plan for your case?

A guide is helpful. A diagnosis makes it personal.

Bring your symptoms, imaging, prior treatment, and goals into a focused visit so the next step fits your body and your life.

Written for patients by the practice

Orthopedic guidance should be clear enough to help you make a real decision.

Dr. Paul Norio Morton created Joint Replacement Hawaii to help patients understand hip pain, knee pain, arthritis, sports injuries, robotic joint replacement, revision surgery, injections, and recovery before they come in for a visit.

Recognition

Awards, focused training, and Hawaii-specific care planning help patients compare trust before they schedule.

US News High Performing in Hip and Knee Replacement
2025 Top Doctors
Best of West 2023
40 Under 40
First Hawaii orthopedic surgeon fellowship-trained in robotic joint replacement
ACGME-accredited fellowship training in hip and knee replacements
Minimally invasive, muscle-sparing approaches when appropriate
Concierge-style coordination for travel and neighbor island patients
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