Material Bio Oss® Bone Save® Pro Osteon™ 200R Pro Osteon™ 500R Supplier Geistlich Pharma Stryker,  Osteonics Biomet, (Interpore) Biomet, (Interpore) Type Bovine Synthetic Coral Coral Composition Similar to human bone (HA) 80%TCP: 20% HA HA-coated CaCO3 HA-coated CaCO3 Porosity 70 – 75% 50 – 55% 50% 65% Pore Size (mm) 100 300 – 500 180 – 220 270 – 650 Pore Type Interconnective Closed Pores Interconnective Interconnective Shape Irregular Rounded Rounded Irregular Granule Size (mm) 0.25 – 2 2 – 8 0.5 – 1 2 – 10

Table 1: Physicochemical material properties of commercial CaP bone void fillers according to manufacturers’ specifications.