A dental laser comprises a hand piece (100) having a grip region (100a) and a treatment tip (101) with an outlet point (101a), arranged at a distal end, for laser light (102), and further comprises a light source (103) and light conduction means (105) for providing laser light (102) at the outlet point (101a). The laser light (102) has a wavelength (104) of 445±20 nm, in particular, 445±10 nm and more particularly 445±5 nm, and an optical power output is provided at the outlet point in a power range of at least 2 W, advantageously at least 3 W and, in particular, 3.5 W. In another dental laser the laser light (102) has a wavelength (104) of 410±10 nm, and an optical power output is provided at the outlet point (101a) in a power range of no less than 1 W to no more than 2 W.
