With Laser Dentistry in Wisconsin cavities filling start to be easy: in the traditional dentistry, the dentists applied dental drills to fill the cavity. After the appearance of laser technology, the hard tissue based laser appliances are used to fill the cavity. On the contrary to usual drills, the laser cut the tissue more accurately and more precisely. Also, in some situations, there is no need for the dentists to apply the anesthesia to the patients. One more of the benefits of laser dentistry is its usung in dental cosmetics. For example, in tooth whitening, i.e. a process that a client take at least once in a year.