1 They do their best work at 55ÂºF, but can carry on right down to 0ÂºF. As they eat away at organic materials, they give off a small amount of heat.  Mesophilic - Second wave of microbial activity. Most of the decomposition in a compost pile is mesophilic.
In general, it is thought that implants last approximately 10 years or should be replaced every eight to 10 years. A ruptured saline implant is clinically obvious as the breast will deflate and there will be great asymmetry. A ruptured silicone implant is more difficult to determine and is referred as a silent rupture.
How the Breast Implant Procedure Is Done. Because breasts can continue to develop until a woman reaches her late teens or early 20s, the FDA requires that women be at least 18 years old to get breast augmentation with saline-filled implants and at least 22 years old to receive silicone implants.