Efficacy of 980 nm diode laser and 2940 nm Er: YAG laser in gingival depigmentation: A comparative study.
Ranj Hussien ArifFadil Abdullah KareemFaraedon Mostafa ZardawiTamara Sardar Al-KaradaghiPublished in: Journal of cosmetic dermatology (2020)
The Er:YAG laser and Diode laser both significantly reduced gingival pigmentation with no significant differences between the effectiveness of the two types of laser in treating gingival hyper-pigmentation.