The laser beam is an alternative technique to traditional surgery applicable in many oral surgery cases. It enables to avoid suturing and thanks to decontamination features promotes healing process. The authors presented advantages and disadvantages of laser Er:Yag Kavo KEY 3, establishing the indications as well as working parameters in specific ceses. The conclusion of the research is that histopathologic evaluation is possible only in tissue probe larger than 3 squere mm. The photographs of 12 different cases shows the variety of possible laser Er:Yag application.

Key words: Er:YAG laser, oral surgery, laserotherapy.