High-speed dental handpieces, also known as high-speed mobile phones, high-speed pneumatic turbines, dental drills, etc.
The compressed air input into the mobile phone must be dry and clean. The air pressure is adjusted to the air pressure according to the manufacturer. Otherwise, the air pressure is too low,
Dental handpieces are also called oral phones. Of course, it is not a mobile phone we see in our lives. It is a medical device dedicated to dentistry. It can be used to clean teeth and grind dental caries.