Methods The bone defects of 30 dogs were created at two femur in each dog. The composite materials and bone cement were implanted in canine femur bone defects respectively.

• 方法 30只家犬双侧股骨做成长×宽为 2 5mm× 10mm的骨缺损 ,将犬的自体红骨髓与异体DBM复合后再与BC混合成复合材料 ,植入犬的右侧股骨骨缺损处 ,左侧单纯植入骨水泥做对照。