This International Standard lays down a reference plan for the location of the items, it gives symbols for the items and a two-digit system for the identification of the combination of items which are used at the working place of the dental team where examination, treatment and other clinical procedures, with the patient directly involved, are carried out.
The system provides the means to give general information about the presence of items and to describe relevant characteristics concerning dimensional flexibility and adaptability of the items and parts of their accessories.