A tooth is used because professor falcinelli discovered it was the only type of artificial implant the eye did not reject 之所以要用一颗牙齿是因为凡塞内利教授发现牙齿是眼睛惟一不排斥的人造置入物。
2.
Ninety - one had early signs of aseptic loosening and 71 developed a deep - seated infection . this type of infections happens when the body can ' t fight infection from bacteria living within an artificial implant 91位病人有无菌性松动的早期体征而71位病人出现了一个深在的感染。这种类型的感染只发生在身体不能对抗人工植入物内的细菌的时候。
