Dear v757,
it is hard to tell for sure without an examination. In case scar tissue is your main problem, then a surgery might be a good option. If you are considering a treatment, I would suggest you to consult a board-certified plastic surgeon. Only after a thorough examination you will get...
An examination or photos of you would be helpful to give you advice as to possible treatment for your lip after you injured it in an accident. If there is some deformity from hanging skin, it is possible that a minor surgical procedure could correct this.
Thank you for your pictures and questions. In general, your chin and lip anatomy are variations of normal and is nothing that needs to be "corrected." That being said, if you have had any previous procedures or injectables in those areas, those are likely to blame for any asymmetry. If you have...