It would be best if you could watch the film directly. According to your description, the degree of asymmetry between the two sides is indistinguishable. Chin plastic or sagittal split of mandibular ramus can be done, and materials can also be directly padded. If you have dental problems or maxillary problems, you need orthodontics and maxillary surgery together. Therefore, this is a complicated problem. You'd better consult a professional orthognathic surgeon or plastic surgeon. Prices vary from place to place, depending on the type of operation, it is more expensive as a whole.

If you are not sure, consult again!