D&PS

Daily Issue (Nov 19. 2019)

LASER in Clinical Medicine
#8-2. Er:YAG Laser

Usually, I like to compare Er:YAG laser to a knife. This is because Er:YAG laser vaporizes a tissue with precision as if you peel each layer of an onion off with a knife. If I am asked to choose my favorite laser, I will choose Er:YAG laser without hesitation. Er:YAG laser is very masculine in terms of power but very feminine in delicacy. For this reason, it makes laser operators comfortable and brings patients high satisfaction with outcomes which is unmatched by other ablative lasers. As mentioned earlier, Er:YAG laser provides advantages of initially vaporizing a tissue with precision while minimizing thermal damage to surrounding tissues using a short pulse of 250 µs; and removing a large lesion in a short time by adjusting spot size. Therefore, in comparison with CO2 laser, Er:YAG laser shows a faster regeneration of epithelial tissue and greatly reduced incidence of sequela…

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