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Benefits and side effects of Er: Yag Lasers vs. CO2 lasers
Erbium Yag Laser light is easily absorbed in water. A large percentage of our bodies is water and so the depth to which it penetrates human tissue is limited because of the high water content in cells.
The Er Yag laser has a reputation for being precise and less aggressive than the CO2 laser - though the results achieved by both types of lasers in wrinkle treatment or general resurfacing might well be the same.
The CO2 (carbon dioxide) laser is known for producing greater skin tightening and less bleeding then the Er Yag laser, although the ER Yag laser probably has less risk of causing permanent loss of skin pigmentation. This might be related to the fact the Er Yag laser is generally not used to create as deep a resurfacing treatment as the CO2 Laser, rather than any particular quality of the laser itself.
Wheres the science?
Here! Translated by me (Science into English) from..
"Which is best for wrinkle treatment - CO2 or ER Yag laser? We normally think of the Carbon Dioxide laser as quite aggressive and the Er YAG laser as quite gentle.
We wanted to compare results from both lasers on 13 people with facial wrinkles round their mouths and eyes so we treated one side of their faces with a pulsed CO2 laser and the other sides of their faces with an Er:YAG laser. We treated the skin behind their ears exactly the same way as the skin we were studying, and we took small samples to look at under a microscope before, after and 3 or 6 months after treatment to see how deep the resurfacing went and how much fibrous tissue the treatment caused. We took photographs at these times too, and also at 6 weeks afterwards. Nine physicians checked the photographs for redness, discoloration and wrinkle improvement.
The results showed no difference between the two lasers except the CO2 laser had less redness at two weeks after the treatment although by 6 weeks both laser treatments were the same again."
Combining the two lasers on the same area produced interesting results..
Combined erbium:YAG and carbon dioxide laser skin resurfacing
Patients preferred the combined protocol. Combining these 2 lasers is a safe and patient-friendly alternative to using only the carbon dioxide [CO2] laser.
What do the customers think? - A followup study..
A prospective survey of patient experiences after laser skin resurfacing
Patients undergoing LSR [laser skin resurfacing] to treat acne scarring were as satisfied as patients treated for photodamage.
Can Er Yag laser treatment be used for hands, arms and neck wrinkles?
Erbium:YAG laser resurfacing of the hands, arms, and neck.
Results are mild to moderately successful - not as good results as on facial skin. Reasonably safe, but healing times are longer.
Sasha recommends..
I would have no hesitation recommending er: YAG laser treatment for wrinkle treatment, so long as the operator is properly qualified and quite experienced, with a steady hand. You can even use it for laser wrinkle treatments on necks and hands although healing times are longer - as they generally are for any kind of skin resurfacing on these areas.
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