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According to different classification methods, dental handpieces can be divided into the following different categories:

1. According to the connection method with the connecting pipe, it can be divided into a dental handpiece with quick connector and a dental handpiece without quick connector.

2. According to the connection type with the connecting pipe, it can be divided into two holes (drive gas, water); three holes (drive gas, water, atomizing gas); four holes (atomizing gas, return gas) and fiber optic six holes (drive gas) , water atomization gas, return gas and two electrode columns) dental handpiece.

3. According to the exhaust method of the dental handpiece, it can be divided into inner vent (four-hole and six-hole) and outer vent (two-hole) dental handpieces.

4. According to the size of the head of the dental handpiece, it can be divided into large (head diameter φ12.2); middle (head diameter φ11.2); small (head diameter φ10.2). Due to the different size of the head, the strength of the dental handpiece is also different and its use is slightly different.

5. according to the loading of the dental handpiece can be divided into two kinds of gland type, wrench type.