Vitamin C Mesotherapy Versus Diode Laser for the Management of Physiologic Gingival Pigmentation

Vitamin C intra-mucosal injection; in which the site of interest will be anesthetized using a topical anesthetic agent (lidocaine gel or xylocaine gel) or infiltration anesthesia, followed by intra-mucosal field injections of 1-1.5 ml Cevarol (L-Ascorbic acid 1000 mg/5 ml

Diode laser ablation: in which the site of interest will be anesthetized using infiltration anesthesia, followed by laser ablation. 980nm Diode laser will be applied using the following setting parameters: continuous mode with 980nm wavelength at 1.5 W output power.