Abstract
Background In the current research, Er,Cr:YSGG laser been used in ablative mode to peel the pigmentation, and many sessions were done to completely remove the melanin pigmentations. Materials and Methods 85 patients were selected and Er,Cr : YSGG laser with 2780 nm wavelength in ablative mode (iPlus, Biolase, USA) was used to treat patients with dark lip melanin pigmentation, using gold handpiece and MZ 10 tip (diameter of 1 mm), and the parameters were set as follows: energy density 28.7 J/cm2, frequency 30 Hz, water cooling 100%, and air cooling 60%. Results The vast majority of the patients (82.4%) had mild adverse effects after the lip depigmentation and 74.1% of patients reported complete improvement of the lip with a high satisfaction rate (84.7%) during the follow-up period with a low level of relapse. Conclusion Er,Cr:YSGG 2670 nm is an effective tool to achieve excellent esthetic results in the treatment of lip melanin pigmentation; it is very well tolerated by patients with minimal adverse effects.
Highlights
In the current research, Er,Cr:YSGG laser been used in ablative mode to peel the pigmentation, and many sessions were done to completely remove the melanin pigmentations
Published papers and case reports on laser treatment for lip melanin pigmentation are very few, and some are not reliable due to the very low number of samples or case reports, some cases are done with near-infrared laser with the lips swelling and a painful experience for the patient, and some cases were observed in our clinic with scars or with a prolonged healing period, which could extend 4–6 weeks [11, 12, 15,16,17]
Photo documentation for relapse after two years on the study done by the same authors Agha and Polenik in 2020 [19] revealed that relapse mainly occurs with Er,Cr:YSGG laser compared to the diode laser with no statistically significant difference as diodes are well absorbed in the melanin pigmentation and the diodes are more penetrating in the tissue depth, which probably reduces the
Summary
Lips are an important part of our smiles; the shape and color are crucial elements of the lip’s beauty. Understanding the structure of the lip (thickness, anatomy, and sensitivity due to rich innervation and superficial nerve endings) and the thermal impact of the different wavelengths is important to avoid any wavelength that might penetrate deeply and cause an undesired thermal effect. Published papers and case reports on laser treatment for lip melanin pigmentation are very few, and some are not reliable due to the very low number of samples or case reports, some cases are done with near-infrared laser with the lips swelling and a painful experience for the patient, and some cases were observed in our clinic with scars or with a prolonged healing period, which could extend 4–6 weeks [11, 12, 15,16,17]. A Er,Cr:YSGG laser has been used in the ablative mode to peel the pigmentation, and many sessions were provided to completely remove the melanin pigmentations
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