Dented scars of more than ten years can be repaired. Dented scar is depressed scar, usually due to the lack of dermis and subcutaneous tissue, usually can not be restored by itself, can be improved by laser treatment, surgical treatment and other ways, to improve. 1. Laser treatment: Generally through carbon dioxide laser, the high energy generated by the laser is applied to the dermal skin layer of the depressed scars to stimulate the regeneration of collagen in the depressed area, so as to improve the appearance of the depressed scars. 2. Surgery: In addition to laser treatment, for larger and deeper depressed scars, surgery can be performed to remove the scar directly, and local hyaluronic acid injections and autologous fat fillers can be used to fill in the depressed area to improve the symptoms. It is recommended that if patients want to repair depressed scarring, it is best to go to a regular hospital, under the guidance of a professional physician reasonable treatment, to avoid delaying the condition.