[Infection transmission: an infallible protection system]

The control of the transmission of infection has always been a preoccupation of members of the dental team. However, the sudden appearance of new infectious diseases has made everyone more conscientious and has resulted in the development of new methods of control. This article details such a method, namely, the I.M.S. system. It consists of a series of simple operations which allows for the cleaning, rinsing, drying, packaging, sterilization and storage of small instruments and all of this without manipulation once the process is undertaken.