Clinical and patient-reported outcomes of microneedling with ascorbic acid versus scalpel technique for gingival depigmentation: A randomized clinical trial.

Researchers compared gingival depigmentation using microneedling with ascorbic acid versus scalpel technique in 26 participants, finding the scalpel method produced greater pigmentation reduction at one month, though both approaches achieved acceptable results with favorable patient satisfaction over six months.

A plain-English summary of the study's own findings — we don't add our own claims or interpretation. Read the full paper for the complete methods and results, and apply your own clinical judgement.