System for detecting contaminating agents in the oral cavity and a dental unit equipped with such a system

摘要

A unit for detecting contaminating agents, especially in dental surgeries, comprises detecting-transducing means (1) of a chemical, biochemical or electrical type designed to detect a quantity as a function of a variable to be checked and to provide an electrical signal (S) corresponding to the quantity detected; and means (2) for signalling the quantity, connected to the detecting-transducing means (1). <IMAGE>