Bone Formation Process of β-TCP Ceramics with Tetracycline Tracing |
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Authors: | Dai Hong-lian Li Shi-pu Lu Xu-hui Wang Xin-yu Yan Yu-hua and Fang fang |
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Affiliation: | (1) Calcium Phosphate Research Laboratory, Department of Biomaterials &; Biomimetics, New York University College of Dentistry, New York, NY, USA;(2) INSERM, Universite de Nantes, Nantes, France; |
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Abstract: | To study the new bone formation in the bone defect area after implantation, the tetracycline tracing method was used. The
results show that new bone formed in 1 month, and the formation rate of new bone was very high (8. 164 μm/day), considerably
faster than that of control groups (3.219 μm/day). The new bone grew up quickly and β_TCP particles were surrounded by double
fluorescence bands which became more obvious. The new bone formation rate was maximal at 2 months, and then gradually reduced.
The rate was steady at 4 months, and then reduced to resembling as the normal physiologic metabolism of bone, which indicated
the implanted materials were completely replaced by bone. Calcium phosphate materials had the ability of osteoconduction. |
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