By David J. Goldberg
As expertise makes methods more secure, extra everyone is pursuing new ways to swap their pores and skin. Facial pores and skin rejuvenation is principally well known, with the more recent ablative and non-ablative thoughts providing an exact technique for making improvements to photo-aged epidermis. This publication discusses many of the lasers, mild assets and radio-frequency units at the moment used, examining the applied sciences and an method of utilizing that procedure. The remaining chapters handle the problem of complications-what to do in the event that they come up and the way to regulate them. The enterprise elements of a facial rejuvenation perform also are reviewed. This one-stop reference at the subject is perfect for dermatologists and different pros within the box.
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Extra info for Ablative and Non-ablative Facial Skin Rejuvenation
In the FeatherTouch mode, the delivered fluence was lower at 10 J/cm2. The first pass resulted in epidermal vaporization and dermal coagulation necrosis of 10 μm; the second pass resulted in epidermal vaporization and dermal coagulation necrosis of 30 μm; and the third pass resulted in epidermal vaporization and dermal coagulation necrosis of 50 μm. Again, the depth of vaporization into the dermis was not reported. In comparing the SilkTouch mode (increased fluence; more thermal damage) and the FeatherTouch mode (less fluence; less thermal damage (even with three rather than two passes)), Weinstein demonstrated that increasing time on tissue by scanning twice with the SilkTouch mode increases depth of coagulation necrosis in a non-linear fashion.
Ten photodamaged patients, aged 51–85 years, underwent laser resurfacing of the pre-auricular skin. Two laser passes utilizing the UltraPulse CO2 laser with a 3-mm spot size at 500 mJ were delivered. Specimens were microscopically analyzed to compare the effect of laser resurfaced skin compared to the adjacent control area of nonlasered photodamaged skin. The laser-treated sites were clinically re-epithelialized within 7–10 days in all patients. Posttreatment erythema followed for a period of 2–3 months.
The authors concluded that the two laser processes used to achieve tissue tightening are very different. Although both procedures achieve tissue tightening, the unique CO2 laser induced collagen contraction effect may be longer lasting and may account for the superior clinical improvement seen with CO2 laser resurfacing, compared to that seen with the short-pulsed Erbium:YAG laser. MY APPROACH I have found CO2 lasers to be highly effective when used for the treatment of Class I–III rhytides and some acne scars.