Fig. 3A–F.
Damage patterns on medial and anterior faces of the tibial post on IB I and IB II retrieved inserts. Design, location, and length of implantation are identified for each figure. The dominant wear locations were on the medial face for the IB I inserts and on the anterior face for the IB II inserts. (A) IB I, medial, 4 years; (B) IB I, anterior, 2.9 years; (C) IB I, medial, 10.3 years; (D) IB II, anterior, 2.5 years; (E) IB II, anterior, 7 years; (F) IB II, anterior, 6.3 years.