Capsulorraphy/pocket tightening/safety using same implants?

After just 8 weeks of my primary breast augmentation (a modest 300cc) my left implant has moved laterally & slipped making a larger space between the implants AMsurgeon has finally acknowledged there is a problem, and she is offering a revision. Said I neended a capsulorraphy. I was told to use the same implants that they would be “fine” So my questions are, are there risks using implants that have been out of the body? If thesize implant we used and the under the muscle placement…