Has my implant bottomed out? (Photo)

The fact that a scar is more visible on one side does not mean bottoming out. It could be for several reasons: your breasts might have been at different levels to begin with (very common), or the incision has been placed at different levels. Both breasts do not recovery from surgery identically. It depends on your physical activities, how you sleep, if you use your right hand more or you left had more etc. No one is symmetrical.

Just start with most people have the left breast sitting higher on the chest wall than the right side.
This is true for most people by about half an inch.
Based on your pictures you’re right implant is sitting lower than your left in relationship to the breast itself.I wouldn’t call it having bottomed out but your right side is more in that direction.
Choosing excessively large implants that are larger than the natural breast, diameter increases, undesirable side effects, complication rates, and the need for revision surgery.
At this point, I would not call you having a bottomed out implant(right side) , but depending on how the procedure was done, and the selection of implants time will tell if it starts heading in that direction.
Six months is pretty early when judging augmentation outcomes.
Working with modest size implants, decreases these complications significantly.
Best,
Mats Hagstrom, MD