Objectives: Different types of Lasers have been used to treat and improve variable skin lesions and conditions for over 20 years now. Variable success rates and complications have been reported with different laser types used for the different applications in the field of Dermatology.

Introduction: Today, a clear understanding of the basic Laser physics, Laser tissue interactions allows us to determine the best wavelength to be used for different applications, how to choose the appropriate pulse duration which allows us to achieve high efficiency with the least incidence of side effects, in addition to, understanding the reasons behind the complications encountered with the use of lasers and how to avoid them.

Conclusion: Other issues of controversy will be discussed in the review such as the different methods of skin cooling in conjunction with laser treatment, the difference between the laser light and the Intense Pulsed Light (IPL). The last point of the review will be dealing with how to get the most accurate comparative studies for different types of lasers used for the same application.

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Objectives: The study aimed to examine the effects of thermomechanical resurfacing with tetracycline delivery on malar festoons. Data from 21 patients (mean age 59.4±8.2 years, 90% female) who underwent an average of 5.0±1.9 treatment sessions were analyzed. Masked reviewers noted a significant improvement in severity scores (2.81±1.3 pre-treatment vs. 1.6±1.1 post-treatment, p<0.001). Self-reported disturbance and PGIC scores showed that 85% of patients experienced moderate to significant improvement. The effects began around 11.2±6.6 days post-treatment and lasted for at least 4 months in 90% of patient

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Objectives: Show thirteen years experience with the 1,340 nm Nd:YAP which is a non-ablative fractional laser, capable of reaching greater depths because it has a wavelength 10 times less absorbed by water than the average of other non-ablative fractional lasers, for this reason is an excellent option to treat acne, hidradenitis, alopecia, treat and prevent scars and melasma (low doses of energy)

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Objectives: Intense pulsed light is one of the most used technologies in the routine of health professionals.The class teaches the professional to optimize their results and expand their indications in the treatment with intense pulsed light

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Objectives: After attending this lecture, attendees will understand the challenging exercise aesthetic and cosmetic physicians need to face when proposing minimally invasive rejuvenating procedures to improve the skin

Introduction: Skin aging is a dynamic, unstoppable event. Modern trends in skin rejuvenation are looking to identify effective minimally invasive techniques to minimize discomfort, side effects, and downtime while providing consistent clinical results

Materials / method: Pertinent literature research and comparison with three years personal experience

Results: See conclusions

Conclusion: Focusing maximal QS photo-acoustic effects within dermal layers using the LIOB technique can identify a very promising skin rejuvenating approach matching the need of consistently improving skin quality while minimizing side effects, discomfort and down time

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请注明名称（个人，公司，学会等等）: Fotona d.o.o. Ljubljana, Slovenia

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这项工作的完成感谢以下机构的支持： Fotona d.o.o. Ljubljana, Slovenia