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.ebMD explains breast augmentation, including the pros and cons of saline and silicone implants, cost of surgery, potential problems and complications, and recovery time. http://img.webmd.com/dtmcms/live/webmdNone.