Can a dentist make an oblong/long face sharp with a prominent jaw line short?

Surgery: Patients with "oblong" or excessive lower jaw lines can have orthographic or "jaw" surgery to reposition the lower jaw and sometimes even reduce the chin to give a more convex or less sharp profile. Seek an experienced oral and maxillofacial surgeon that frequently performs this.

Yes: Orthognathic surgery can often accomplish this but itit's a more advanced type of surgerythan most oral surgeons perform. You should have a thorough consultation with a spspecialist who ha a lot of experience with this type of surgery and discuss fully all the risks and complications that can occcur. Most importantly that you are a good candidate for this procedure.