Samples were divided into seven groups, and irradiated for one minute by the nd: YAG, laser at power settings of 0.5W,1.0W and 1.5W and by the Er: YAG laser at energies of 60 mJ, 80 mJ and 100 mJ per pulse, respectively.
Vzorci so bili naključno razdeljeni v sedem skupin po pet vzorcev. Prve tri skupine vzorcev smo obsevali z Nd: YAG laserskim žarkom valovne dolžine 1064 nm in moči 0,5W, 1,0W in 1,5W, naslednje tri skupine vzorcev smo obsevali z Er: YAG laserskim žarkom valovne dolžine 2940 nm in energijami 60 mJ/p, 80 mJ/p in 100 mJ/p.