Sub-Fascial Breast Implant Placement (Preservation Breast Augmentation) Preservation breast augmentation involves placing implants subfascially, or over the chest muscle, but under a thin fascia muscle layer, preserving the natural pectoralis muscle and its attachments. Before modern, cohesive silicone implants were available, submuscular placement (under the pectoralis chest muscle) was the best approach to hide visible … Continue reading What is a subfascial breast augmentation? | Dr. Emily Kirby