“…108 Numerous attempts have been made to improve CPCs via such methods as (1) optimization of osteoconduction through the creation of pores 109 (Fig. 6), (2) improvement of the strength of the cement through the incorporation of various fillers, 110,111 and 3applications for delivery of therapeutic molecules such as antibiotics, anti-cancer drugs, and anti-inflammatories. 112,113 The few CPCs commercially available, Norian Skeletal Repair System Ò (Synthes, Inc., West Chester, PA), BoneSource Ò (Stryker Ò , Kalamazoo, MI), and a-Bone Substitute Material Ò (Etex Corporation, Cambridge, MA), are only recommended for nonweight-bearing applications.…”