Burns are external injuries to the skin caused by fire or some hot item.
The plastic surgeon is the doctor who specializes in cosmetic and reconstructive surgery.
A dermatologist is a doctor who specializes in diseases of the skin, hair, nails and mucous membranes.
Aesthetic medicine is responsible for treating, restoring and maintaining physical appearance and beauty.
Remember that for the proper selection of health professional that treats burns you must consider the nature, severity and symptoms you are presenting.