Systemic acute toxicity of denture soft-liner was measured by hemi-lethal dose test (LD50),as a essential selected method for studing toxicity of medical biomaterials.

• 本实验对义齿基托软衬材料采用半数致死量(LD_(50))试验进行全身急性毒性检测；以此作为对医用生物材料进行毒理学研究的初筛方法.