Editing Breast augmentation (section)

====First generation====
The Cronin–Gerow implant, prosthesis model 1963, was a silicone rubber envelope-sack, shaped like a teardrop, which was filled with viscous silicone-gel.<ref>{{Cite web |title=The Development of Silicone Breast Implants for Use in Breast Augmentation Surgeries in the United States {{!}} The Embryo Project Encyclopedia |url=https://embryo.asu.edu/pages/development-silicone-breast-implants-use-breast-augmentation-surgeries-united-states |access-date=2023-03-02 |website=embryo.asu.edu}}</ref> To reduce the rotation of the emplaced breast-implant upon the chest wall, the model 1963 prosthesis was affixed to the implant pocket with a fastener-patch, made of Dacron material ([[polyethylene terephthalate]]), which was attached to the rear of the breast implant shell.<ref name=Cronin_1963>{{cite journal |vauthors=Cronin TD, Gerow FJ | title = Augmentation Mammaplasty: A New "natural feel" Prosthesis | journal = Excerpta Medica International Congress Series | year = 1963 | volume = 66 | page = 41}}</ref>