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1. abrasion of disfigured skin to promote reepithelization with minimal scarring; done by mechanical means (dermabrasion) or by application of a caustic (chemabrasion). See also plastic surgery.
2. root planing.
root planing smoothing of the root surface of a tooth after subgingival scaling or débridement.
Operative procedure used to remove acne scars or pits performed with sandpaper, rotating wire brushes, or other abrasive materials.