目的：研究自制磷酸钙骨水泥的生物相容性和安全性，为其临床应用提供实验依据。
Objective: To provide experimental basis for clinical application through studying on the biocompatibility and security of homemade calcium phosphate cement.
很多时候，复合树脂是银汞合金的替代品，长期的应用历史证明了它的生物相容性和安全性；
Composite resins are the preferred modifynative to feelalgfeel in many cottoms. They have a long history of biocompatibility and safety.
脂质纳米粒子是用生物可降解的脂质制备，故这种载体系统拥有很好的生物相容性和安全性。
The lipid nanoparticles are produced from biodegradable lipids, so this carrier system exhibits an excellent tolerability and safety.
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