Abstract
Calcium sulfate/tri-calcium phosphate (CaSO4/TCP) composite bone fillers were fabricated through molding method. Their structure and properties were characterized by infrared spectroscope, scanning electronic spectroscope, x-ray diffraction and degradation test. The results show that TCP crystals were attached to the CaSO4crystals and prevented the growing of sulfate crystals. So their size is shorter than that of CaSO4crystals prepared from pure CaSO4semihydrate, and some even had defect. The resorption rate of CaSO4bone fillers was decreased when TCP was incorporated.
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