Condition analysis: According to your description, you are 27 years old, with facial asymmetry and mandibular development asymmetry. This is a skeletal cause and requires a combination of correction and surgery.

Opinions and suggestions: The general treatment process is, orthodontic treatment before surgery, surgery, and orthodontic treatment after surgery. This has a significant improvement effect on the face. Orthodontics alone can only change the bite relationship of the teeth, but not the facial shape.