Niceden Dental 45° Angled Handpiece Instruction Manual
1.Product Overview
The Niceden Dental 45° Angled Handpiece is a specialized dental instrument designed for precise dental procedures. Its 45° angled design allows for treatment in hard-to-reach areas with no blind spots, making it an essential tool for dental professionals.
2.Key Features
2.1Unique Design
45° Angled Design: This design enables precise treatment in areas that are difficult to access with standard handpieces, ensuring no blind spots during procedures.
Special Rear Exhaust Design: The unique rear exhaust design helps in maintaining a clear field of view by directing exhaust away from the treatment area.
2.2Stable Performance
Stable without Flying Probes: Equipped with a standard compression single point water spray system, it ensures stable operation without the risk of flying probes, enhancing safety during procedures.
Powerful Power Performance: The handpiece can reach a speed of up to 400,000 r/min, providing strong cutting force, improving work efficiency, with minimal shaking and low noise.
2.3High-Quality Construction
Preferred Material: Made from high-quality materials, the handpiece is meticulously crafted to ensure small shaking during operation and reliable quality.
Surgical-grade Precise Focusing: Features surgical-grade precise focusing, providing clearer visibility, which in turn improves efficiency and safety during dental procedures.
2.4Advanced Bearing System
Ceramic Bearing: The ceramic bearing offers high quality and quality assurance. It ensures stable rotation speed, high cutting force, effectively clamps the dental bur, operates with low noise, has a long service life, and is easy to replace.
2.5Durability and Disinfection
135° High-Temperature Disinfection: The handpiece is designed to withstand high-temperature disinfection up to 135°C. It features a durable fiber-optic LED light source that can be sterilized separately and is easy to clean.
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 burs taking: Press down
Disinfection temperature: 135°C
Noise: ≤60dB
Total weight: 0.13kg
Packing size: 1573cm (LWH)
Length: 12.5cm
4.Usage Instructions
4.1 Installation
1.Hold the handpiece firmly.
2.Locate the push button on the handpiece.
3.Press the push button to open the chuck.
4.Insert the appropriate dental bur (size Φ1.59-1.60mm) into the chuck until it is securely in place.
5.Release the push button to lock the bur.
4.2 Operation
1.Connect the handpiece to the dental unit's air and water supply using the 2 holes or 4 holes interface as required.
2.Ensure the rated air pressure is set between 0.2-0.25Mpa for optimal performance.
3.Activate the water spray system and LED light as needed during the procedure.
4.Use the handpiece with smooth and controlled movements, taking advantage of the 45° angled design for accessing difficult areas and the ergonomic grip for comfort and precision.
4.3 Maintenance
1.Cleaning: After each use, disassemble the handpiece as per the manufacturer's instructions. Clean all components thoroughly with a suitable cleaning agent and a soft brush. Pay special attention to the water spray nozzles and the chuck area. Rinse with water and dry completely.
2.Lubrication: Apply a small amount of dental handpiece lubricant to the ceramic bearing and other moving parts regularly, following the recommended lubrication schedule.
3.Sterilization: Place the cleaned and lubricated handpiece in an autoclave and sterilize at 135°C under high pressure. Follow the autoclave manufacturer's instructions for proper sterilization time and pressure.
5.Troubleshooting
5.1 Common Issues and Solutions
Problem: Handpiece not rotating.
Solution: Check the air supply connection and ensure the rated air pressure is within 0.2-0.25Mpa. Ensure the bur is properly installed. Inspect the ceramic bearing for any damage or blockages.
Problem: Weak water spray.
Solution: Check the water supply connection. Clean the single point water spray nozzle to remove any debris or blockages.
Problem: LED light not working.
Solution: Check the electrical connection. Inspect the LED bulb for any damage. If necessary, contact the manufacturer for replacement.
Problem: Excessive noise (over 60dB).
Solution: Check for worn or damaged components, especially the ceramic bearing. Lubricate the handpiece as recommended. Ensure proper alignment of the handpiece components.
6.Safety Precautions
1.Only qualified dental professionals should operate this handpiece.
2.Follow all infection control protocols when handling and sterilizing the handpiece, including using the recommended 135°C disinfection temperature.
3.Do not exceed the rated air pressure of 0.2-0.25Mpa to avoid damage to the handpiece and potential harm to the patient.
4.Keep the handpiece away from children and unauthorized personnel.
5.Handle the handpiece with care to avoid accidental drops, although it is designed for durability.
7.Warranty
NiceDen 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 NiceDen 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.
