By David J. Goldberg
As know-how makes approaches more secure, extra individuals are pursuing new how you can swap their pores and skin. Facial dermis rejuvenation is principally well known, with the more recent ablative and non-ablative concepts supplying an exact procedure for bettering photo-aged epidermis. This ebook discusses a number of the lasers, mild resources and radio-frequency units presently used, reading the applied sciences and an method of utilizing that method. The final chapters tackle the problem of complications-what to do in the event that they come up and the way to regulate them. The company points 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
This was most evident after the first and second dermal passes, once the epidermis had been removed. Subtracting the small amount of tissue contraction due to tissue volume loss, the remainder was thought to result from collagen contraction. This study compared 305 treated human tissue samples with matched controls and found a positive linear correlation between the number of passes and the degree of skin shrinkage. A linear regression model showed a 6% size reduction per pass with the SilkTouch laser and a 5% reduction per pass with the Ultrapulse laser.
6 for the UltraPulse laser. Silicone rubber skin surface impressions (profilometry) were taken prior to and at 4 months following laser treatment in five patients. Computer analysis of skin surface impressions correlated with clinical observations—a more substantial improvement was noted after UltraPulse laser treatment, compared to Surgipulse treatment. This study, in agreement with the previous studies, demonstrated the efficacy of pulsed carbon dioxide lasers in reducing periorbital wrinkles, both clinically and texturally.
Pretreatment grenz zones of varying thickness were noted (mean of 25 μm and range of 10–40 μm for both laser systems) between the zone of solar elastosis and the epidermis. Biopsy specimens performed 1 year after treatment revealed a zone of widened fibroplasia measuring 80–300 μm, with a mean zone of fibroplasia of 220 μm (range of 80–300) for the SilkTouch laser and a mean zone of fibroplasia of 150 μm (range of 60–200) for the UltraPulse laser. Ross et al. concluded that 1-year post-treatment biopsies with both lasers demonstrated new collagen formation and reduction of solar elastosis.
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