Please read our copyright infringement policy. Because saline is non-viscous, it tends to allow the edges of the implant to collapse and this makes the implant edges of a conventional, single-chamber saline implant much more easily palpable in a patient who has a small preoperative breast volume. Women considering breast augmentation now have the luxury of deciding between three kinds of breast implants: Allergan, Mentor and Sientra. Structural fat grafting can also be effective in helping to conceal visible implant contours in any area of the breast, particularly in the cleavage area, the upper pole and along the outer edge of the breast. Read more about implants and the FDA. The recovery from subpectoral breast augmentation used to routinely be a rather unpleasant experience, but it no longer has to be.