Human teeth are the latest body part to be replicated in laboratories, with researchers hoping it could mean the end of fillings. Here, we take a look at all the other alarming things being grown in labs, from food to body organsHuman teeth are the latest body part to be replicated in laboratories, with researchers hoping it could mean the end of fillings. Here, we take a look at all the other alarming things being grown in labs, from food to body organs