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.
4 months is too early to judge. This pink and wide description will likely get better. At this time I would consider silicone gel to the area for the next 6 months or a year to see if that helps. Silicone gel is one of the only options that have been shown to make a significant difference based on scientific study.