Comparison of scalpel and lasers technique in the treatment of gingival melanin pigmentation

Gingival hyperpigmentation is a common esthetical concern in patients with gummy smile or excessive gingival display. Laser ablation has been recognized recently as the most effective, pleasant and reliable technique. It has the advantage of easy handling, short treatment time, hemostasis, decontamination, and sterilization effect. The objective of this study is to evaluate and compare scalpel and lasers techniques for gingival depigmentation and to evaluate their effect on re pigmentation.