Gingival Melanin Depigmentation by 808nm Diode Laser
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Nowadays, expectations in terms of aesthetics have become more important. That is why gum pigmentation, especially in areas uncovered by the smile, has become a frequent reason of consultation. Melanin, melanoid, oxyhemoglobin, reduced hemoglobin, and carotene is pigments involved in gum pigmentation. Gingival hyperpigmentation generally results in the overproduction of an endogenous pigment which is melanin. This type of excessive pigmentation presents as a diffuse brown and light brown spots with irregular contours. The accumulation of melanin can be physiological and called “racial pigmentation” or caused by several endogenous and exogenous factors, including tobacco.

Hyperpigmentation has no gender predilection and may be observed in all races and at all ages. This article presents the use of an 808nm pulsed diode laser for gingival depigmentation in a 22-year-old male patient, with a frequency of 20,000 Hz, a peak power of 5 W, and a pulse width of 26 microseconds, using a 400 nm flexible optic fiber. The hyperpigmented gingival tissue was removed without bleeding or postoperative pain. Three weeks later, the gum resumed its normal, firm, and pink appearance. No significant recurrence was noted after a follow-up of 4 months. However, perfect control of this device is necessary to avoid certain consequences such as bone exposure or gingival fenestrations.

A diode laser today seems to be an effective and safe technique for melanin depigmentation and holds an undeniable place in the arsenal therapeutic in soft tissue surgery. This technology reduces the level of anxiety and stress in patients with better postoperative outcomes and brings real comfort to the practitioner. However, it is necessary to overcome the skepticism of some practitioners facing this relatively new technology in order to make it an everyday tool to make successful treatments.

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Dr. A●●●●●l S●●●●a Dentistry
Jul 23, 2020Like