Are Dermabrasion Results Really Depth-dependent?

Dermabrasion is an effective technique for recontouring the face and resurfacing the skin. Dermabrasion works by sending down the superficial skin until the deeper skin structures are reached. It is these deeper skin structures that will regenerate the superficial layers into a smoother fashion. If you have a deep or recessed scar, such as some acne scars, dermabrasion may be an excellent option. Your best bet is to work with a board-certified plastic surgeon who can help determine if... more

Best results will come when scars are superficial.  The deeper scars need more aggressive treatment, which can lead to increased risks.  Consult with a surgeon who is experienced in dermabrasion. 

Successful results from dermabrasion come primarily from superficial treatments.  The deeper you need to dermabrade for the desired result, the greater the risk of scarring and hypopigmentation.  Consequently, the best results come from more superficial treatments.

Yes superficial or shallow scars respond better to dermabrasion than deeper scars. Dermabrasion of deeper scars will likel produce minimal results or result in worse scarring. Deeper scars may respond better to skin needling or fractionated laser techniques.