5.2 Remove the medical device ................................................................................................................. 25
5.3 Insert the handpiece or contra-angle handpiece drill bit. ...................................................................... 26
5.4 Remove the handpiece or contra-angle handpiece drill bit .................................................................. 30
5.5 Conversion for contra-angle handpiece drill bit .................................................................................... 31
6 Preparation methods according to ISO 17664 ............................................................................................... 32
6.1 Preparations at the site of use .............................................................................................................. 32
6.2 Cleaning ............................................................................................................................................... 33
6.2.1 Cleaning: Manual cleaning - external ...................................................................................... 33
6.2.2 Cleaning: Automated external cleaning ................................................................................... 34
6.2.3 Cleaning: Manual cleaning - internal ....................................................................................... 35
6.2.4 Cleaning: Automated internal cleaning .................................................................................... 36
6.3 Disinfection ........................................................................................................................................... 38
6.3.1 Disinfection: Manual disinfection - external ............................................................................. 39
6.3.2 Disinfection: Manual disinfection - internal .............................................................................. 40
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