For unique cases where a variety of modalities could be used to treat the condition, I would suggest an in person or virtual consultation to develop a custom and effective treatment plan. It is difficult to precisely define the best option without collecting the same information. I suggest...
This is my expertise and a huge portion of my practice. Asymmetry is normal and expected. Buccal fat pad gives slimming not symmetry. Masseter botox will make you slimmer and make the jawline more loose. Fillers help give shaping and contouring. If you want perfect or close to perfect symmetry...
Dermal fillers are not the way to increase your breast size. This would be very costly and would carry the risk of puncturing the implant. The most predictable and reliable result would be by replacing the implants. See a board certified plastic surgeon near you to discuss your surgical goals.