Sterilization line is of central importance in order to perform daily actvities safely. A proper sterilization process is essential to ensure the health of patients and staff of the dental surgery and avoid the risk of cross-infection. A safe and effective line of sterilization is an ethicol obligation that all professionals should follow. To ensure maximum efficiency, we decided to use the most advanced equipment. All instruments are packaged individually or in kits. At the end of the operating session the tools used are deposited in an ultrasonic device containing an enzymatic solution and cleansed at the temperature of 60°C.