| 摘要 |
A method for cleaning/disinfecting/sterilizing the water circuits ( 1 ) of dental units ( 100 ) comprises at least the following steps: introducing a cleaning/disinfecting/sterilizing fluid into the water circuit ( 1 ); holding the cleaning/disinfecting/sterilizing fluid in the water circuit ( 1 ) for a predetermined length of time; draining the cleaning/disinfecting/sterilizing fluid out of the circuit ( 1 ) through endpieces ( 3 a) of supply branches ( 3 ); the method further comprising a step of programming/selecting the contact time periods (T) of the steps of introducing and holding the fluid in the water circuit ( 1 ), this step preceding the step of introducing the fluid and being effected by selecting from a plurality of contact time periods (T 1 , T 2 , T 3 . . . Tn) each of which consists at least of a fraction of a time period (Ta) of the step of introducing fluid in the water circuit ( 1 ) added to a time period (Tb) of the holding step, according to a desired parameter-level (P 1 , P 2 , P 3 . . . Pn) of cleaning/disinfection/sterilization and/or of predetermined or predeterminable events on the dental unit ( 100 ).
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