It is proven by scientific evidence. Guided Biofilm Therapy consists of treatment protocols based on individual patient diagnosis and risk assessment in order to achieve optimal results. The treatment is given in the least invasive way, with the highest level of comfort, safety and efficiency. The method refers to the intentional removal of biofilm as a definitive procedure with low-abrasive powders in an air polishing device, and it is performed prior to the instrumentation of hard deposits.