ORTHO
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Review Question - QID 219817

THA Dislocation Technique Revision THA QID: 219817 (SBQ24HK.21)
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QID 219817 (Type "219817" in App Search)
A 71-year-old female with osteoporosis suffers a periprosthetic hip fracture and undergoes revision total hip arthroplasty to a proximal femoral replacement (PFR). The patient’s abductors are fixed to the implant, but the surgeon is worried about future instability and opts to use a dual mobility liner. This implant provides greater stability using which of the following mechanisms?
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