This is despite the huge numbers of women who get silicone breast implants either for breast reconstruction or for breast augmentation. One review published in the Annals of Internal Medicine concluded, "The evidence remains inconclusive about any association between silicone gel implants and long-term health outcomes. Better evidence is needed from existing large studies, which can be reanalyzed to clarify the strength of associations between silicone gel implants and health outcomes.
The Cochrane Database of Systematic Reviews review of whether there was a difference in outcomes between saline-filled and silicone-filled breast implants for breast reconstruction likewise found they didn't have enough evidence to draw conclusions or for surgeons to properly advise women about which was best, "Despite the central role of breast reconstruction in women with breast cancer, the best implants to use in reconstructive surgery have been studied rarely in the context of RCTs.
Furthermore, the quality of these studies and the overall evidence they provide is largely unsatisfactory.
Sign up for our Health Tip of the Day newsletter, and receive daily tips that will help you live your healthiest life. What to know about breast implants. Updated October 23, Food and Drug Administration. FDA update on the safety of silicone gel-filled breast implants. June Ann Intern Med. Different types of implants for reconstructive breast surgery. Cochrane Database Syst Rev. Annals of Internal Medicine. Center for Devices and Radiological Health U.
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Health Conditions Discover Plan Connect. Type 2 Diabetes. Saline vs. Silicone Implants for Breast Augmentation. Medically reviewed by Catherine Hannan, M. Saline implants. Silicone implants. Is one type of implant safer than the other? What happens when an implant ruptures? Silicone is more viscous than saline. In contrast to saline, it flows differently within its shell and can often create a more natural look and feel to the breast, like breast tissue.
Women must be 22 years of age or older to be offered silicone gel implants for breast augmentation, as per the FDA's regulations. Saline-filled implants are available to all women for breast augmentation over the age of A silicone shell is inserted into the body and then filled to its desired volume by a board-certified plastic surgeon with saline fluid.
Saline has the consistency of water. Underneath very thin skin, folds of a saline implant might be seen or felt more often — this is known as implant "rippling" or "wrinkling. Some saline implants have the advantage of being postoperatively adjustable via a remote injection port — this is commonly used in some types of breast reconstruction procedures to fine-tune the final implant volume over months before the implant port is removed.
Silicone gel implants were first created in the late s and have undergone several different generations with ongoing technological improvements. Saline filled implants were created as an alternative to silicone fill and became popular in the s and early s. Over the last 20 years, significant advances have been made to silicone gel implants. In fact, we are now implanting the 7th and 8th generation of silicone breast implants. Theoretically, these channels allow the saline inside to flow in different directions within the outer implant to simulate the feel of a silicone implant, with purported decreased incidence of rippling and sloshy liquid movement.
Different degrees of stiffness or "cohesiveness" cross-linking of the silicone molecules are now available in silicone gel breast implants.
The most "liquid" ones are softest and flow most easily, and are most commonly used for routine breast augmentation. The most highly cohesive silicone implants are stiffest and tend to hold their shape most firmly, with potential advantages for post-mastectomy breast reconstruction. The silicone implant is chemically inert and the body treats it as a foreign object.
Once inserted, scar tissue forms around the implant. Thus most people tolerate silicone implants very well. Facial augmentation with silicone implants has been used for the following corrections:. The procedure is carried out at a doctor's rooms. The length of time will depend on what corrections are being made. Silicone implants are considered to be permanent.
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