1.Product Overview
This dental high - speed handpiece is a professional dental tool designed to meet the needs of various dental procedures. It features innovative design elements such as multi - point spray, ceramic bearings, and high - quality LED lighting, ensuring efficient, stable, and comfortable operation during dental treatments.
2.Product Features
2.1 Design Features
LED Metal Lamp Design: Provides clear and stable illumination, enhancing the visibility of the treatment area.
Pressing - Type Back Cover: Facilitates easy disassembly and maintenance.
Non - slip Texture Design: Offers a comfortable and secure grip, reducing hand fatigue during long - term use.
International Common Interface: Compatible with a wide range of dental units, ensuring easy integration into existing dental setups.
2.2 Performance Features
High - Quality Movement:
Smooth Operation: Delivers high cutting force with low noise, ensuring a quiet and efficient treatment environment.
Convenient Self - disassembly and Repair: Allows for easy maintenance, reducing downtime.
Strong Clamping Force: Minimizes bur shaking during operation, ensuring precise cutting.
Dust Cover: Extends the service life of the handpiece by preventing dust and debris from entering.
Dynamic Balance: Ensures high stability during operation, reducing the risk of vibration and providing a more comfortable experience for both the dentist and the patient.
High Cutting Force: Equipped with high - speed torque, it can efficiently remove dental tissue, improving treatment efficiency.
Low Noise: Operates at a noise level of ≤ 70dB, creating a more pleasant dental treatment environment.
4 - Point Water Spray and 4 - Point Air Spray: Provides a better cooling effect, preventing blockages and ensuring the safety of the treatment area.
High - Quality LED: Offers flicker - free illumination, providing a clearer field of view for accurate dental procedures.
3.Product Parameters
Name: Dental high - speed handpiece
Handpiece Interface: 2/4 hole
Needle File Size: Φ1.59 - 1.60mm
Rated Air Pressure: 0.2 - 0.25Mpa
Method of Needle Taking: Pressing type
Disinfection Temperature: 135 °C
Noise: ≤ 70dB
Total Weight: 0.13kg
Packing Size: 15.273cm (LWH)
4.Operation Instructions
4.1 Bur Installation
1.Ensure the handpiece is disconnected from the air supply.
2.Press the pressing - type back cover to open the bur chamber.
3.Insert a bur of the appropriate size (Φ1.59 - 1.60mm) into the chamber, making sure it is firmly clamped.
4.Release the back cover to secure the bur in place.
4.2 Connection to Dental Unit
1.Identify the type of interface (2 - hole or 4 - hole) on your dental unit.
2.Align the handpiece's international common interface with the corresponding interface on the dental unit.
3.Push the handpiece firmly into the interface until it is securely connected.
4.3 Operation
1.Turn on the air supply of the dental unit and adjust the air pressure to the rated range (0.2 - 0.25Mpa).
2.Activate the handpiece using the control panel of the dental unit. The LED light will turn on, and the water and air spray systems will start working.
3.During the operation, take advantage of the handpiece's high cutting force, low noise, and clear illumination to perform dental procedures accurately.
4.After the procedure, turn off the air supply and the handpiece.
4.4 Bur Removal
1.Disconnect the handpiece from the air supply.
2.Press the pressing - type back cover to open the bur chamber and remove the bur.
5.Maintenance and Cleaning
5.1Daily Cleaning
1.After each use, disconnect the handpiece from the dental unit.
2.Wipe the external surface of the handpiece with a clean, damp cloth to remove any debris, blood, or saliva.
3.Use a suitable dental disinfectant to clean the external surface, following the instructions provided by the disinfectant manufacturer.
5.2Regular Maintenance
1.Periodically check the bur chamber for any signs of wear or damage. Replace any worn - out parts as needed.
2.Lubricate the handpiece according to the manufacturer's recommendations to ensure smooth operation.
3.Inspect the air and water spray nozzles regularly to ensure they are not blocked. Clean the nozzles if necessary to maintain proper spray function.
5.3Disinfection
1.After cleaning, place the handpiece in a dental autoclave.
2.Set the autoclave to the recommended disinfection temperature (135 °C) and follow the autoclave's operating instructions for proper sterilization.
3.Allow the handpiece to cool and dry completely before storing or using it again.
6.Troubleshooting
6.1Handpiece Not Operating
Check Air Supply: Ensure the air pressure is within the rated range (0.2 - 0.25Mpa) and the air supply is properly connected.
Bur Inspection: Verify that the bur is correctly installed and not jammed in the chamber.
Interface Check: Ensure the handpiece is properly connected to the dental unit via the international common interface.
6.2 Insufficient Cooling or Spraying
Nozzle Inspection: Check the water and air spray nozzles for blockages. Clean the nozzles if necessary.
Air and Water Supply Check: Ensure the air and water supplies to the dental unit are functioning properly.
6.3 Excessive Noise or Vibration
Balance Check: Verify the dynamic balance of the handpiece. If vibration occurs, check for any loose parts or imbalanced burs.
Bearing Inspection: Inspect the ceramic bearing for wear or damage. Replace the bearing if necessary to restore smooth operation.
6.4 LED Lighting Issues
Connection Check: Ensure the LED is properly connected and receiving power.
Bulb Inspection: If the LED is not functioning, check for any burnt - out bulbs and replace them as needed.
7.Storage
1.Store the handpiece in a clean, dry, and well - ventilated area.
2.Keep the handpiece in a dedicated storage container to protect it from dust, damage, and contamination.
3.Before long - term storage, ensure the handpiece is thoroughly cleaned, disinfected, and lubricated.
Warranty
NiceDent products carry a warranty covering material and manufacturing defects; terms vary by product line. Warranty is void if failure results from misuse, unintended use, unauthorized tampering or use of non-genuine NiceDent parts. Spare parts for discontinued models are supplied for at least seven years after discontinuation.
Important Notes
Contraindications & cautions:
1.Hemophiliacs: use with extreme caution due to bleeding risk.
2.Pacemaker or severe arrhythmia patients: contraindicated—electric motor may interfere.
3.Cardiac patients, pregnant women, young children: use with extra care.
4.Do not use simultaneously with high-frequency surgical devices.
5.Avoid impact or dropping the handpiece.
6.Never press head cap while rotating; risk of patient injury.
7.Do not use damaged burs (bent, cracked, deformed, or non-compliant).
8.Do not direct light into patient’s eyes—risk of harm, especially to cataract patients.
9.Never run handpiece without bur or without bur fully locked.
10.Do not use disinfectants containing acetone or immerse in disinfectant.
11.Replace cartridge if noise becomes excessive after use.
12.Avoid rapid heating or cooling.
13.Do not use dry-heat cycles if chamber >135 °C.
14.Do not operate with air on if bur is not installed—bearing damage may result.
15.Maintain air compressor and filters regularly; use clean, dry air.
Ensure interior is moisture-free before thermal washer-disinfector or lubrication.
Never clean with benzene, thinners or sharp tools on fiber-optic rod.
Do not force wire into ports; may block coolant spray.
Never blow compressed air into handpiece head.
