What is a dental handpiece?

May 29, 2023

Dental handpieces are divided into dental high speed handpieces and dental low speed handpieces. Dental high speed handpieces, also known as high-speed handpieces, high-speed turbine handpieces, dental drill handpieces, etc., are commonly used medical devices for dental treatment. Its working principle is to use compressed air as the power to drive the wind wheel to rotate at a high speed, thereby driving the dental bur to complete the drilling and grinding of the tooth body.



The speed of the high-speed handpiece reaches more than 300,000 revolutions per minute, and it is mainly used for treatment and repair (such as drilling and cutting). The low-speed handpiece is composed of a motor, a straight handpiece and a contra angle. The motor is powered. The straight machine is used for grinding and polishing, which is treated outside the mouth, and the contra angle is used for intraoral treatment.



Dental handpieces are the most commonly used equipment for clinical treatment in the Department of Stomatology. Because they are in close contact with patients' saliva, blood, gingival crevicular fluid and dental plaque during the treatment process, the surface and internal turbine components and pipes of the handpiece may be affected differently after use. Therefore, it is one of the most dangerous devices that cause cross-infection clinically and must be strictly sterilized.


Teeth are located in the oral cavity, where a variety of pathogens can easily breed. The most important thing for dental medical devices is to prevent cross-infection. Dental handpieces should also be produced by companies that specialize in R&D and production of medical devices.

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