Patent ID: 7645420

Claim:
Method for sanitizing dental water lines in a dental chair having dental water lines coupled to a water supply at one end and dental water line connectors on ends of said dental water lines remote from said water supply, in which the method includes the following sequential steps: removing all dental instruments which are coupled to said dental water line connectors, coupling the dental water line connectors directly to a manifold, said manifold operatively connected to the water supply to flow water through said dental water lines, said dental water line connectors, said manifold, a solenoid valve, and a drain, automatically and periodically flushing water from the water supply directly through the dental water lines, the dental water line connectors, the manifold, the solenoid valve, and to the drain, for predetermined intervals to directly discharge biofilm contaminated water from the manifold directly through the solenoid valve and from the solenoid valve directly to the drain.