The disinfection of the Dental handpiece first goes to the waste debris from the net, iodine, alcohol, and the dialdehyde, are the first choice of disinfection articles!
The second step, the inside of mobile phone clean, refueling!
The third step, seal, high-pressure three times vacuum sterilization
Finally, before use, it is better to add more, cell phone oil! Good for bearing! Please advise if you are wrong!
