Is it a bad idea to create new crease scars for bigger implants? Unhappy with cirrent scar position (photos)

Actually, your implants are bottoming out making the lower breast too low and your nipples too high. Once this is corrected, your original scars may be in the crease and your nipples will be in the center of your breasts where there belong. Do not add a second crease scar because this may jeopardize the circulation to your skin. I also recommend going smaller so you have less weight to push down on your tissue. You probably will also need an internal bra of mesh for better support.

Based on your pictures and my personal opinion, it looks like your implants have bottomed out significantly and this is why the scars are not in the infra memory folder.
From what I see you should have your pocket corrected so the implants sit higher.
Most of the volume sits below your nipple, and it should be evenly spread out with your implants, needing to sit higher.
The bottom out appearance will only continue to get worse, especially if you increase the size of the implants.
Correcting bottom out implants is fairly challenging and getting the outcome correct the first time isn’t some thing that always happens.
It can be done using internal sutures with or without reinforcement using mesh or cadaver dermal products like aloderm.
I see no reason to add a second incision to your chest wall.
Best,
Matt hagstrom, MD