Details: What Types of Breast Implants Are Available for Breast Augmentation?

There have been varying viewpoints throughout the years about the best kind of implant to use for Breast Augmentation, and health controversies about one kind of implant that dominated news reports in the 1990's. Many women who were interested in having fuller breasts were fearful to do so because of these reports. The following describes the different kinds of implants that are available, and addresses some of the concerns regarding differences between breast implant fill material, shape, surface texture, size, manufacture, and use of implants.

Breast Implant Fill Material:
Although all breast implants do have a solid silicone shell (bag), they are filled with different substances such as: saline and silicone.

Saline Breast Implant:
While there are a number of implants available for Breast Augmentation, currently the most commonly used is the saline breast implant.

The saline implant has an exterior sack made of solid silicone, which is filled with a sterile saline solution — like the salt-water solution that is administered for intravenous fluids. One of the advantages of this solution is its safety. Should the implant for some reason leak, the saline just gets absorbed by your body, as would the intravenous fluids used during, and after surgery. Yet another advantage of the saline implants is a very low infection rate, which is usually less than one to two percent.

Another advantage of the saline implant is that it is filled with fluid after being inserted in the breast, therefore requiring only a small incision. This is in contrast to silicone implants which are pre-filled. Also, because saline implants are filled after insertion, their final volume can be adjusted making it easier to correct for existing breast asymmetry.

Unlike other types of implants such as silicone implants, there are no restrictions on the use of saline breast implants; and women do not need to enter any specific national breast study to be eligible for their implantation.

Widespread media reports that saline-filled implants can contract fungal contamination were discredited when it was learned that the Canadian laboratory that released this finding relied heavily on implants that had been mailed. As such, there was no guarantee of sterility in the transport of these implants.

There are two main disadvantages of saline breast implants, when compared to those filled with silicone. Because of the liquid nature of saline, saline filled implants tend to have a higher incidence of rippling. Although rippling occurs in all saline implants, filling them according to the manufacturer’s recommendations, submuscular placement of implants, and the existence of thicker breast skin and tissue minimizes a person’s ability to see or feel rippling of saline implants. Because silicone gel has a thicker consistency, it tends to ripple much less, but sometimes happens nonetheless.

The second potential disadvantage of saline implants compared to silicone breast implants is the difference in how they feel to the touch. Outside of the body, silicone implants have a more natural consistency. In reality, this difference becomes less noticeable when implants are felt underneath the breast and muscle tissue.

Silicone Breast Implants:
These are implants that are filled with a silicone gel. More than 1.5 million American women currently have silicone breast implants. Some people feel that the silicone implant results in a more natural appearing breast.

The main disadvantage of silicone breast implants is that their rupture is less easily detected than with the rupture of saline implants. When a saline implant ruptures, the saline gets absorbed by the body, making the breast go flat, which can be easily recognized by a woman. On the other hand, because silicone gel mostly stays within the breast tissue and does not get absorbed, there is usually no noted reduction in breast size after rupture of silicone implants. Tools to detect rupture of silicone implants include Mammograms and Magnetic Resonance Imaging (MRI). Also, the clean up and complete removal of the leaked silicone gel is difficult. Finally, although there are several studies that attest to the safety of silicone, the controversy about the safety of silicone implants remains.

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