Dermabrasion is a surgery performed most commonly to improve scars due to acne, chicken pox, small pox etc.
As the word implies it involves abrading the skin by various means so as to create a wound which is superficial enough to re-grow normally and deep enough to eliminate a pathology like tattoo or acne scar.

• Facial scars due to Acne, Herpes Zoster, Chicken pox, trauma
• Tumors like Syringoma, Trichoepithelioma, Darier's diseases, and Adenoma sebaceum.
• Hyper-keratotic (thickened & scaly) lesions like Lichen simplex chronicus, Hypertrophic lichen planus, Papular lichen amyloidosis, and linear verrucous naevus.
• Actinic keratosis and Photo-aging.
• Pigmentation disorders like Melasma, Freckles and tattoos. Other disorders like Rhinophyma and stable vitiligo.