When we speak about cosmetics, made with the laser we mainly address the removal of perioral contours, photo rejuvenation to the elimination of wrinkles. If the dentistry includes many usable wavelengths, aesthetics turns out to be even more complex to relegating each application the most suitable wave length.
More generally indicate the ND: YAG laser for hair removal, the ER: YAG laser for the removal and smoothing of wrinkles, the diode for photo rejuvenation.