Downsizing Implants from 650HP Mentor Silicone to 450 Natrelle Style 10/15 or Mentor 500 Mod Plus Silicone? (photo)

Thank you for the question and pictures.

I would respectfully suggest that you allow your chosen plastic surgeon to guide you with the selection of breast implants;  he is in the  best position to do so given that he knows her history,  has examined you,  and is able to communicate with you regarding your goals ( in much more detail than can online consultants).

I would also suggest that you do not try to micromanage the selection of breast implants;  you may end up disappointed with the results of surgery,  given your level of experience with breast implants will likely be significantly less than that of your plastic surgeon's.

Communication  and teamwork with your surgeon will be the key to a successful revision;  you should feel comfortable that you have communicated clearly ( I like the use of “goal” pictures,  preferably without clothing that can alter the appearance of breasts).

Best wishes.

Downsizing can be a bit tricky. If you go too small if you did not need a lift before, you  may need one after the downsizing.  An exam would be critical.

Before answering your questions, a few items to point out from your photo. It appears that the right implant is too high up on you chest wall, either due to inadequate pocket dissection or a capsular contracture. If your breast width is truly 14cm, all of the implants you mentioned are oversized for your breasts. The problem with oversized implants are that tissue thinning, rippling, and malposition are a high risk. What you need to do is focus less on the specific dimensions of an implant and focus more on what goals are you trying to achieve from surgery. What bra would you like to fit in? Do you want people to know you have breast implants? Is upper pole fullness a priority, or are you more interested in a natural tear drop shape? The dimensions and implant selection is something that your plastic surgeon will focus on to achieve these goals. The bottom line is any decrease in implant size will lead to a smaller breast. 150cc will certainly be a noticeably smaller breast. The bigger question is whether or not you have a clearly defined goal. If not, you may be looking for another operation in the future.