What can be done in order to correct my protruding mouth? (photo)

Thank you for your question. It is hard to make any determinations from just a profile photo. You do have a recessive chin that can be improved with a sliding genioplasty or silicone chin implant. The height of your chin is good the relationship of your upper lip and nose is also good. The flatness of your anterior cheek can be addressed with fillers. A full clinical exam would be necessary to make any further suggestions.  

Thank you for your picture.  I agree with Dr. Moll that your occlusion needs to be checked.  You have some deficiency in mid-face (cheeks) that may need to be addressed as well. Best place to start is with a consultation from an oral and maxillofacial surgeon Earl Stephenson, Jr,MD, DDS

thank you for posting your question. In order to give you a correct assessment about your upper and lower jaws, you will need an in person consultation with a surgeon who is familiar performing orthognathic surgery. The relationship of your jaws, facial bones to each other, and your dental occlusion needs to be assessed.