Description
What Is a Dental Turbine and How Does It Work?
A dental turbine is a rotary instrument that holds and rotates a dental bur at high speed. The bur is the cutting tool that comes into contact with the tooth surface or restorative material, while the turbine supplies the power needed to drive it.
The handpiece connects to the dental unit’s air supply. Compressed air enters the device and drives the rotor inside its head, transferring rotational movement to the bur. Since the drive mechanism is housed within the turbine itself, a separate air motor is not required.
During cutting, water is sprayed onto the working area to help manage the heat generated by contact between the bur and the tooth and to flush away debris. Effective operation depends on coordinated bur rotation, adequate water delivery, and the dentist’s control of the instrument.
Introducing the WJ-162 Dental Turbine
The WJ-162 is manufactured in China by Foshan Wenjian Medical Instrument Co., Ltd. It belongs to the category of high-speed air-driven dental handpieces and, according to its technical documentation, features a two-hole connection. Compatibility with the dental unit tubing or connector should be checked before attachment.
Understanding this product involves more than considering rotational speed alone. Illumination of the treatment area, water delivery around the bur, and convenient bur changes are also important in daily use. These features support the dentist as different instruments are selected for each stage of tooth preparation.
Applications of the WJ-162 in Dentistry
The documented applications of this model include removing carious tissue and excess restorative material, preparing cavities and teeth for crowns, and finishing tooth preparations and restorations. Bur selection and operating technique should be appropriate to the procedure.
Caries Removal and Cavity Preparation in Restorative Dentistry
Removing affected tissue and preparing sufficient space for the restorative material are key stages of restorative treatment. By driving a suitable dental bur, the turbine enables the dentist to perform parts of this process. The amount of tissue removed and the final cavity shape depend on the condition of the tooth and the treatment plan.
Tooth Preparation for Crowns in Prosthetic Dentistry
Crown placement requires an appropriate tooth shape and sufficient clearance for the crown material. A high-speed turbine is one of the instruments used to reduce tooth surfaces. Bur selection, control of instrument movement, and adequate cooling are important during this stage.
Removal of Excess Restorative Material and Contour Refinement
Certain treatment stages require the removal of excess restorative material or adjustments to its shape. With a suitable bur, the turbine can assist in these procedures. The appropriate instrument and operating speed depend on the material and the treatment stage.
Features of the WJ-162 Dental Turbine
LED Illumination for Visibility of the Treatment Area
The manufacturer describes the WJ-162 as a turbine with LED illumination. Light close to the working area can help the dentist see the tooth surface and bur position, supplementing the dental operating light.
Triple Water Spray for Cooling Around the Bur
This product features three water spray outlets designed to deliver water around the bur and onto the preparation area. Clear outlets and correctly adjusted water flow are important for effective cooling.
Push-Button Mechanism for Bur Changes Without a Wrench
The push-button mechanism allows the bur to be inserted and released using the button on the back of the handpiece head, without a wrench. This feature is useful when changing burs between different treatment stages.
Head Design Intended to Reduce Contamination Ingress
The manufacturer describes a head design intended to reduce the entry of foreign matter into the internal assembly. This feature does not replace cleaning and sterilization procedures.
The Role of Bur Selection in Dental Turbine Performance
The outcome of a procedure depends on more than the turbine itself. Bur shape, size, material, and condition also influence cutting performance. A bur selected for tooth preparation may differ from the instrument required to adjust a restorative material.
Using a compatible bur and checking that it is correctly seated and securely retained are part of preparing the instrument before treatment. Worn, damaged, or unsuitable burs can impair the performance of the handpiece assembly.
WJ-162 Care and Maintenance
The turbine contains precision components that operate at high speeds. Clean air and water channels, the condition of the rotating assembly, and adherence to maintenance instructions are important for maintaining its operation.
Cleaning, lubrication, and sterilization should follow the instructions supplied with the specific device. The product’s technical documentation identifies steam sterilization compatibility and the need for lubrication as part of routine maintenance. The autoclave cycle must be selected according to the manufacturer’s instructions.
For more information about the WJ-162 dental turbine and current pricing, please contact Mahtab Sina.








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