Dermatological Laser
Dermatological Laser
Lasers were first used in dermatology 40 years ago. First, Argon and carbon dioxide (CO2) lasers were used to treat benign congenital vascular moles (such as portwine stains and hemangiomas). Although...
Usage Areas of Dermatological Lasers
Lasers were first used in dermatology 40 years ago. First, Argon and carbon dioxide (CO2) lasers were used to treat benign congenital vascular moles (such as portwine stains and hemangiomas). Although these spots can heal to some extent with treatment, an unacceptable amount of scarring remains in their place.

The development of lasers over the last 20 years has revolutionized the treatment of many conditions (congenital vascular or brown spots, tattoos, scars and wrinkles).
What are the characteristics of laser light?
The term, which is translated as laser in Turkish but is actually LASER in English, is an acronym consisting of the initials of the words "Light Amplification by the Stimulated Emission of Radiation".
Lasers are high-intensity beams with the following characteristics:
• Monochromatic: have a single wavelength.
• Coherent: Light waves are in the same phase.
• Collimated: Light spreads parallelly. Laser light can be focused with high energy into very small points.

Laser light is produced in an optical cavity containing a gaseous (e.g. argon, krypton, carbon dioxide), liquid (e.g. dye lasers) or solid (e.g. ruby, neodymium:yttrium-aluminum-garnet, alexandrite) medium. After the molecules in the laser environment are activated; When they become motionless, they emit photons of light.Laser light of a single wavelength is produced in different laser environments, and this light extends from the visible light range (400-700 nm) to the infrared light range (above 700 nm). Vascular skin lesions contain a substance called oxygenated hemoglobin; Oxygenated hemoglobin is well absorbed by visible light at wavelengths of 418, 542 and 577 nm. Brown formations on the skin absorb visible and infrared light because they contain a dark pigment called melanin. Infrared lasers are highly damaging lasers because they are absorbed by the water within and between cells. The main purpose of laser treatment is to destroy target cells without damaging the surrounding tissue. What are the laser types? There are many laser types that can treat the skin. The old CO2 and argon lasers, which produced continuous wave (CW) or quasi-continuous wave (QCW) pulses, have now been replaced by lasers that produce intermittent pulses.
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