Laser treatment is widely used in dental practice, e.g., in the removal ofmelanin pigentation in oral mucosa. We conducted 2 pigmentation removal therapies simultaneously on the same patients, i.e., Er: YAG laser (Er-L) and conventional phenol-alcohol (PA) , and compared treatment effects to evaluate the effectiveness of dental laser therapy in removing melanin pigmentation. Subjects were 5 men aged 26 to 33 years (mean: 28•}2.5) who gave prior informed consent. Treated were the anterior maxillae. Upper right anterior underwent received Er-L therapy and upper left anterior regions PA therapy.

No abstract

No abstract

No abstract

No abstract