RT Journal A1 Rogers, Benedict A. A1 Garbedian, Shawn A1 Kuchinad, Raul A. A1 Backstein, David A1 Safir, Oleg A1 Gross, Allan E. T1 Total Hip Arthroplasty for Adult Hip Dysplasia JF The Journal of Bone & Joint Surgery JO The Journal of Bone & Joint Surgery YR 2012 FD October 3 VO 94 IS 19 SP 1809 OP 1821 DO 10.2106/JBJS.K.00779 UL http://dx.doi.org/10.2106/JBJS.K.00779 AB Preoperative planning is essential to define anatomy, clarify the operative approach and exposure, and ensure that suitable implants are available.Concerns exist regarding the long-term effectiveness and safety of hip resurfacing arthroplasty for the young dysplastic hip.In light of current evidence, concerns exist regarding the use of metal-on-metal articulations for hip arthroplasty in the young dysplastic hip.The ideal bearing surface is not known, although the longest data available support the use of metal-on-polyethylene.