FAQ

General FAQ

Kaneiko offers dental handpieces, air motors and connection accessories for restorative dentistry, prosthodontics, oral surgery, implant dentistry, interproximal reduction, finishing, polishing and routine clinical procedures.

The Kaneiko dental handpiece range includes:

High-Speed Dental Handpieces for crown preparation, cavity preparation, tooth reduction and restorative material removal with FG burs
Integrated High-Speed Handpieces with direct M4 connections and built-in LED illumination
1:1 Contra-Angle Handpieces for caries removal, restorative finishing, polishing and controlled low-speed procedures with RA or CA burs
1:5 Electric Contra-Angle Handpieces for speed-increasing crown preparation, cavity preparation and restorative cutting with FG burs
1:4:2 Surgical Contra-Angle Handpieces with a 45-degree head for compatible posterior oral surgery and surgical cutting
20:1 Implant Contra-Angle Handpieces for implant osteotomy preparation, sequential drilling and controlled implant placement
Straight low-speed handpieces for prosthetic adjustment, laboratory trimming and procedures using HP burs
Reciprocating IPR handpieces for controlled interproximal reduction with compatible IPR instruments
Dental air motors for driving compatible low-speed contra-angle and straight handpieces
Dental quick couplings for connecting compatible high-speed handpieces to dental-unit tubing
Selected dental bur bundles offered with MR.BUR for compatible handpiece and procedural workflows

Before ordering, confirm the handpiece connection, compatible bur type, water-delivery system, illumination and motor requirements.

Kaneiko focuses on precision dental handpieces designed for stable rotation, controlled cutting, effective water cooling and practical clinical handling.

The Kaneiko range includes high-speed dental handpieces, low-speed contra-angle and straight handpieces, electric speed-increasing handpieces, surgical handpieces, implant contra-angles, dental air motors and quick couplings.

Depending on the model, Kaneiko dental handpieces may include:

Ceramic bearings for smooth and stable rotation
Fibre-optic or LED illumination
Single-point or multi-point water spray
Push-button or turn-chuck bur retention
Clean Head and Anti-Heat Systems
Quick-coupling or integrated tubing connections
Stainless steel, titanium alloy or coated handpiece bodies
Model-specific head sizes for restorative, posterior or surgical access

Each handpiece is designed for a specific speed range, bur system, connection and clinical application.

Dental bur compatibility depends on the Kaneiko handpiece model, chuck system, operating speed and clinical application.

High-speed and speed-increasing handpieces generally use FG friction-grip burs with a standard Ø1.6 mm shank
1:1 contra-angle handpieces generally use RA latch-type burs, also called CA burs, with a Ø2.35 mm shank
Straight and surgical straight handpieces use HP burs with a Ø2.35 mm shank
20:1 implant contra-angle handpieces accept compatible Ø2.35 mm implant drills, drivers and RA latch-type instruments
Reciprocating IPR handpieces require compatible IPR strips or instruments designed for the handpiece mechanism

Bur shank diameter alone does not confirm compatibility. Always check the required bur length, retention design, maximum operating speed and intended procedure before use.

Many Kaneiko dental handpieces are designed for steam sterilisation, but the permitted sterilisation temperature and processing method may vary by model.

Before sterilisation:

Remove the bur or rotary instrument.
Clean the handpiece exterior.
Flush and inspect the water pathway.
Lubricate the handpiece when required.
Remove excess lubricant.
Sterilise according to the model-specific instructions.
Allow the handpiece to dry completely before storage.

Do not apply one universal sterilisation temperature to every Kaneiko handpiece, air motor or quick coupling. Always follow the operating and maintenance instructions supplied with the selected model.

Kaneiko dental handpieces are intended for use by qualified dental professionals, trained clinicians, dental technicians and authorised dental team members.

Users should understand:

Correct bur and rotary-instrument selection
Handpiece, motor and coupling compatibility
Recommended speed and torque settings
Water spray and surgical irrigation requirements
Correct bur insertion and retention
Cleaning, lubrication and maintenance procedures
Sterilisation requirements
Safe clinical and laboratory handling

Surgical and implant dental handpieces should only be operated by professionals trained in the relevant procedure, motor system and surgical protocol.

High Speed Handpiece FAQ

Kaneiko high speed handpieces operate at high rotational speeds, typically between 300,000 and 400,000 rpm, depending on the model, air pressure, and clinical setup. This high-speed rotation supports efficient cutting for crown preparation, cavity preparation, enamel reduction, restorative procedures, and removal of old restorative materials. For more details, read our high speed handpiece guide.

Selected Kaneiko high speed handpieces feature 4-point water spray cooling to help control heat during high-speed cutting. Effective spray cooling supports smoother cutting performance, protects tooth structure, and improves clinical control during crown preparation, cavity preparation, and restorative dentistry.

Kaneiko high speed handpieces commonly use FG burs with a 1.6 mm shank. FG burs are designed for high-speed friction grip dental handpieces and are commonly used for crown preparation, cavity preparation, enamel shaping, finishing, and restorative procedures. Always make sure the FG bur is fully seated and compatible with the specific handpiece model before use.

Yes. Kaneiko high-speed dental handpieces are available with different connection systems depending on the model. Model 100 and Model 450 feature an integrated M4 connection that screws directly onto compatible four-hole dental-unit tubing without a separate quick coupling. Other Kaneiko high-speed handpieces use model-specific quick couplings for compatible KaVo, NSK, Sirona, W&H or Bien-Air connection systems. Always confirm the dental-unit tubing and coupling compatibility before ordering.

Kaneiko high speed handpieces should generally be lubricated after each use and before sterilization, unless the specific model instructions state otherwise. Regular lubrication helps protect the turbine cartridge, bearings, chuck system, and internal moving parts. Proper maintenance can help reduce noise, vibration, overheating, poor bur retention, and premature handpiece wear. [How to Lubricate a Dental Handpiece | Dental Handpiece Maintenance Guide]

A high speed dental handpiece may overheat due to lack of lubrication, insufficient water spray, blocked spray channels, worn bearings, debris inside the chuck, excessive cutting pressure, incorrect air pressure, or use of an incompatible FG bur. If the handpiece becomes hot, noisy, or unstable during use, stop operation and inspect the lubrication, water supply, bur seating, and maintenance condition before continuing treatment.

Integrated High-Speed Handpiece FAQ

An integrated high-speed dental handpiece combines the air turbine, built-in LED illumination, water spray system and M4 connection in one unit. It connects directly to compatible four-hole dental-unit tubing without a separate quick coupling.

Model 100 is a big-head high-speed handpiece designed for routine restorative cutting, crown preparation and cavity preparation. It features four-point water mist and accepts standard FG burs approximately 18–25 mm long.

Model 450 features a 45° MOS reverse-air head for improved posterior and surgical access. It uses three-point water spray and accepts compatible long FG burs approximately 25–28 mm long.

Model 100 and Model 450 operate at approximately 330,000 to 400,000 rpm and provide a specified cutting power of 27 watts.

Actual clinical performance may depend on the dental-unit air pressure, handpiece condition, bur selection and maintenance. Speed alone should not be used to select a handpiece. Head design, cooling, bur compatibility and access requirements are also important.

No. Model 100 and Model 450 have an integrated M4 four-hole connection that attaches directly to compatible dental-unit tubing. A separate quick coupling is not required. Confirm your dental-unit tubing connection before ordering.

Kaneiko integrated high-speed handpieces use FG friction-grip dental burs with a standard Ø1.6 mm shank.

Compatible bur lengths vary by model:

Model 100: approximately 18.0–25.0 mm
Model 450: approximately 25.0–28.0 mm

Model 100 is compatible with standard-length FG burs used for routine restorative procedures. Model 450 supports compatible long or surgical-length FG burs for posterior and selected surgical access.

Always confirm that the bur is suitable for the intended speed and procedure and is fully inserted before operation.

No. Model 100 and Model 450, non-lubricating integrated handpieces. Do not add lubricant, dismantle the handpiece or attempt internal turbine repair.

After use, clean the exterior, flush and inspect the water spray outlets, sterilise according to the product instructions and allow the handpiece to dry completely.

1:1 Contra-Angle Handpiece FAQ

A 1:1 contra-angle handpiece transfers the motor speed directly to the dental bur without increasing or reducing it. For example, when the connected dental air motor rotates at 40,000 rpm, the bur can rotate at up to approximately 40,000 rpm. This direct-drive system provides controlled low-speed rotation for precise dental procedures.

Kaneiko 1:1 low-speed contra-angle handpieces support caries removal, composite finishing, polishing, restoration adjustment, margin refinement and endodontic access refinement. The angled head improves access to posterior and confined intraoral areas compared with a straight handpiece.

Kaneiko offers two main configurations:

Model C and Model C100 use internal water spray for general chairside, restorative and finishing procedures.
Model CX and Model CX100 use single-point external water spray for selected low-speed surgical trimming and motor or MOS workflows.

The correct model should be selected according to the required irrigation system and clinical procedure.

Kaneiko 1:1 contra-angle handpieces use RA latch-type burs, also called CA burs, with a standard Ø2.35 mm shank. Compatible bur lengths are approximately 22–26 mm, depending on the model.

FG burs for high-speed handpieces and HP burs for straight handpieces should not be used because their shank and retention systems are different.

Model C and Model CX feature fibre-optic light transmission. Model C100 and Model CX100 are non-optic versions.

The illuminated models require a compatible dental air motor and connection system that support light transmission. Always confirm the motor, water-delivery and illumination compatibility before ordering.

After use, remove the RA bur, clean the handpiece exterior, flush the water pathway and lubricate the handpiece according to the product instructions. Remove excess lubricant before sterilisation and allow the handpiece to dry completely before storage.

Stop using the handpiece if it develops unusual noise, vibration, heat, poor bur retention or reduced rotation, as these may indicate that cleaning, lubrication or servicing is required.

Straight Handpieces FAQ

A straight dental handpiece is a low-speed rotary instrument with a direct, straight-body design. Kaneiko straight handpieces use a 1:1 direct-drive transmission, allowing the motor speed to transfer directly to the dental bur for controlled cutting, trimming, finishing and polishing.

Kaneiko straight low-speed handpieces are suitable for prosthetic adjustment, denture trimming, polishing, finishing, laboratory work and compatible extraoral procedures.

Surgical straight handpieces can also support selected bone trimming and oral surgical workflows when used with suitable HP burs, external irrigation and the correct clinical technique.

Kaneiko offers two main straight-handpiece configurations:

Model S and Model S100 use internal water spray for general chairside, prosthetic and laboratory procedures.
Model SX and Model SX100 use single-point external water spray for compatible surgical and motor-driven workflows.

Model S and Model SX feature fibre-optic illumination, while Model S100 and Model SX100 are non-optic versions.

Kaneiko straight handpieces use HP dental burs with a standard Ø2.35 mm shank. Compatible bur length is approximately 44.5 to 51 mm, depending on the selected model and procedure.

RA latch-type burs and FG friction-grip burs should not be used because they have different shank and retention systems.

Kaneiko straight handpieces use a 1:1 transmission ratio and operate at up to approximately 40,000 rpm, depending on the connected motor.

They are designed for compatible E-type dental air motors or micromotors. Fibre-optic models require a motor and connection system that support light transmission.

After use, remove the HP bur, clean the handpiece exterior, inspect the water pathway and lubricate the handpiece according to its product instructions. Remove excess lubricant before sterilisation and allow the handpiece to dry completely before storage.

Stop using the handpiece if it develops unusual heat, noise, vibration, poor bur retention or unstable rotation.

1:5 Electric Contra-Angle Handpiece FAQ

A 1:5 electric contra-angle handpiece increases the connected micromotor speed by five times. For example, a motor input of 30,000 rpm produces a nominal bur speed of approximately 150,000 rpm.

The Kaneiko handpiece has a manufacturer-rated maximum rotation of 200,000 min⁻¹. However, the micromotor input speed must not exceed 33,000 rpm, producing a nominal maximum operating bur speed of approximately 165,000 rpm.

The 200,000 min⁻¹ figure represents the manufacturer-rated rotational capacity and does not mean the micromotor should be operated above the stated 33,000 rpm input limit.

Kaneiko 1:5 speed-increasing electric contra-angle handpieces are designed for:

Crown preparation
Cavity preparation
Tooth reduction
Veneer preparation
Removal of existing restorations
Restorative adjustment and finishing

The electric motor and speed-increasing transmission provide stable rotation and controlled cutting during restorative and prosthodontic procedures.

No. The handpiece must be connected to a compatible electric micromotor with the correct E-type connection, water-delivery system and fibre-optic light source.

The micromotor input speed must not exceed 33,000 rpm. Before ordering, confirm the motor connection, maximum speed, illumination and water-spray compatibility.

Kaneiko 1:5 electric contra-angle handpieces use FG friction-grip dental burs with a standard Ø1.6 mm shank.

Compatible diamond and carbide FG burs may be used for crown preparation, cavity preparation, restorative material removal and finishing. RA latch-type burs and HP burs are not compatible because they use different shank and retention systems.

Model EB1L features a Black Nano Titanium body and three-point internal water spray. It is designed for chairside and general restorative use.

Model E1L-X features a stainless steel body and single-point external water spray. It is designed for compatible motor and MOS workflows requiring external water delivery.

Both models include fibre-optic light transmission, ceramic bearings, a push-button chuck, Clean Head System and Anti-Heat System.

After each use, remove the FG bur, clean the exterior, inspect and flush the water channels, and lubricate the handpiece according to the product instructions. Remove excess lubricant before sterilisation and allow the handpiece to dry completely before storage.

Stop using the handpiece if it develops abnormal heat, noise, vibration, poor bur retention or unstable rotation. The rotor and cartridge should only be replaced with compatible components.

1:4:2 Surgical Contra-Angle Handpiece FAQ

A 1:4:2 surgical contra-angle handpiece is a speed-increasing electric dental handpiece designed for controlled high-speed cutting during compatible oral surgery procedures. Its 45° head improves access and bur positioning in restricted posterior areas.

Kaneiko 45° surgical contra-angle handpieces are designed for compatible procedures such as:

Posterior surgical access
Impacted third-molar sectioning
Tooth sectioning during extraction
Molar root separation
Deep posterior hard-tissue cutting
Selected minor oral surgery procedures

The angled head helps reduce interference from adjacent teeth and oral structures during restricted-access procedures.

The Kaneiko 1:4:2 surgical contra-angle handpiece has a manufacturer-specified maximum rotation of up to 168,000 min⁻¹.

It must be connected to a compatible electric micromotor. Dentists should confirm the motor connection, permitted speed range, fibre-optic capability and water-delivery system before purchasing or operating the handpiece.

Kaneiko Model E45L and Model E45L-X use FG friction-grip surgical burs with a standard Ø1.6 mm shank.

Select an FG bur that is approved for the intended surgical procedure, operating speed and required access depth. RA latch-type burs and HP burs are not compatible because they use different shank and retention systems.

Model E45L features three-point internal water spray for compatible chairside and surgical electric motor systems.

Model E45L-X features single-point external water spray for compatible motor or MOS setups that require external irrigation.

Both models have a 45° head, fibre-optic light transmission, ceramic bearings, stainless steel construction and compatibility with Ø1.6 mm FG burs.

No. A 1:4:2 surgical contra-angle is designed for speed-increasing surgical cutting and posterior access. It is not a replacement for a dedicated implant handpiece.

Implant osteotomy preparation and implant placement normally require a 20:1 speed-reducing implant contra-angle connected to an implant motor with appropriate speed and torque control.

20:1 Implant Contra-Angle Handpiece FAQ

A 20:1 implant contra-angle handpiece reduces the connected implant motor speed to one twentieth of the input speed while increasing the available torque.

This speed-reducing transmission supports controlled low-speed drilling during implant osteotomy preparation, thread tapping and dental implant placement.

Kaneiko 20:1 implant contra-angle handpieces are designed for compatible implant dentistry procedures, including:

Implant osteotomy preparation
Sequential implant drilling
Implant site enlargement
Surgical thread tapping
Dental implant insertion
Controlled low-speed surgical rotation

The recommended speed and torque must follow the implant system, drill manufacturer and clinical protocol.

Kaneiko 20:1 implant contra-angle handpieces operate at speeds of up to 2,000 min⁻¹, depending on the connected implant motor and selected settings.

Model I20L has a manufacturer-specified maximum torque of 80 Ncm. Dentists should set the motor speed and torque according to the implant drill, bone condition and implant manufacturer’s protocol rather than automatically operating at the maximum rating.

Kaneiko 20:1 implant contra-angle handpieces accept compatible RA or CA latch-type implant instruments with a standard Ø2.35 mm shank.

These may include compatible implant drills, reamers, countersinks, thread taps and implant drivers. FG burs and HP burs should not be used because they have different shank and retention systems.

Always confirm the instrument length, latch design, permitted speed and intended implant procedure before use.

Model I20L is a fibre-optic 20:1 implant surgical contra-angle featuring ceramic bearings, a coated body, external irrigation and a manufacturer-specified maximum torque of 80 Ncm.

Model CA2001 is an economical, non-optic 20:1 implant contra-angle with a stainless steel body and external irrigation.

Choose Model I20L when fibre-optic illumination and higher-specification construction are required. Choose Model CA2001 for an economical implant handpiece without light transmission.

Kaneiko 20:1 implant contra-angle handpieces must be connected to a compatible implant motor with an E-type connection, adjustable speed, torque control and the appropriate irrigation setup.

Both models use external irrigation. Confirm that the irrigation tube and nozzle direct sterile coolant toward the implant drill during osteotomy preparation. Do not use the handpiece with an incompatible motor or without adequate irrigation.

4:1 Reciprocating Contra-Angle Handpiece FAQ

A 4:1 reciprocating contra-angle handpiece uses a speed-reducing transmission to reduce the connected motor speed and convert rotary movement into controlled back-and-forth motion.

This reciprocating action supports precise interproximal reduction, finishing and sectioning while reducing the continuous rotational movement associated with conventional rotary handpieces.

The Kaneiko 4:1 reciprocating contra-angle handpiece is designed for compatible dental procedures such as:

Interproximal reduction during orthodontic treatment
Enamel reduction and contouring
Interproximal finishing and polishing
Orthodontic adhesive removal
Crown and bridge removal
Veneer removal
Controlled restorative sectioning

Always select an instrument designed for the intended procedure and follow the instrument manufacturer’s clinical instructions.

Yes. The Kaneiko reciprocating contra-angle handpiece supports controlled interproximal reduction, commonly called IPR, when used with compatible IPR strips or reciprocating instruments.

The back-and-forth movement allows the dentist to reduce, contour and finish interproximal enamel with controlled contact between adjacent teeth. The amount of enamel reduction should follow the orthodontic treatment plan and instrument protocol.

The Kaneiko 4:1 reciprocating handpiece requires compatible reciprocating IPR strips, finishing strips, saws or restorative instruments designed for its attachment and locking mechanism.

It is not designed for standard FG, RA or HP rotary burs. Before ordering, confirm the instrument connection, thickness, intended procedure and compatibility with the Kaneiko Model IPR handpiece.

The Kaneiko Model IPR is designed for connection to a compatible E-type dental air motor or electric micromotor.

Because the handpiece has a 4:1 reduction transmission, the final reciprocating speed depends on the connected motor speed. Always confirm the motor connection and operate within the speed recommended for the selected IPR strip or reciprocating instrument.

Air Motor & Quick Couplings FAQ

Kaneiko offers dental air motors and quick couplings designed to support compatible dental handpiece systems. Available options include quick connectors such as QC4, KL6, SL6, WH6, BL6, NL4, and NL6, as well as air motors such as AMT-4 and AMT-6. These components help connect the dental unit, tubing, motor, and handpiece for stable airflow, smooth rotation, and reliable clinical operation. For more details, read our dental air motor and quick couplings guide.

The difference between 4-hole and 6-hole models is the connection type of the dental unit tubing. A 4-hole connection is commonly referred to as M4, while 6-hole configurations are often used with fiber optic handpiece systems. Choosing the correct connection is important because the wrong coupling may cause air leakage, reduced water spray, weak handpiece performance, or unstable operation.

Choose the correct quick connector based on your dental unit tubing type, existing handpiece system, optic or non-optic requirement, and model compatibility. Before ordering, check whether your setup uses a 4-hole or 6-hole connection and confirm that the quick coupling matches your Kaneiko handpiece model. If you are unsure, review your dental chair tubing and handpiece specifications before purchase.

Kaneiko AMT-4 and AMT-6 air motors are designed to support compatible low-speed dental handpiece systems with a standard E-type connection. They can be used with selected 1:1 low-speed handpieces, contra angle handpieces, and straight handpieces, depending on the model. Always confirm the handpiece connection, motor type, gear ratio, and clinical application before use.

Air leakage or reduced handpiece performance may be caused by worn O-rings, incorrect connection type, insufficient air pressure, blocked tubing, poor coupling fit, or lack of lubrication. These issues can affect airflow, water spray, torque transfer, and smooth rotation. Regular inspection, correct connector selection, and proper maintenance help keep the air motor, quick coupling, and handpiece system working reliably.

Maintenance & Sterilization FAQ

Kaneiko dental handpieces should be cleaned, lubricated, dried, and sterilized according to the specific model instructions after clinical use. Proper maintenance helps protect internal components such as bearings, gears, turbine cartridges, chuck systems, and spray channels. Regular maintenance also helps reduce vibration, noise, overheating, poor bur retention, and unstable handpiece performance.

Lubrication is important because it helps reduce friction inside the dental handpiece and protects moving components during operation. Without proper lubrication, the handpiece may develop increased noise, vibration, heat, reduced speed, poor torque transfer, or premature bearing wear. Air turbine handpieces, low-speed handpieces, contra angle handpieces, straight handpieces, surgical handpieces, and implant handpieces should be maintained according to their model-specific lubrication requirements.

Yes. Most Kaneiko dental handpieces are designed for autoclave sterilization up to 135°C, depending on the model specification. Before sterilization, the handpiece should be cleaned and lubricated properly to help maintain smooth rotation, bur retention, water spray function, torque stability, and long-term reliability. Always check the product instructions before sterilizing any dental handpiece.

A dental handpiece may become noisy or vibrate due to worn bearings, insufficient lubrication, debris inside the chuck, incorrect bur selection, bur imbalance, poor coupling fit, blocked spray channels, or improper sterilization. If vibration, noise, or unstable rotation continues after cleaning and lubrication, the handpiece should be inspected before further clinical use.

A cartridge, bearing, or internal component may need replacement when the handpiece shows reduced speed, increased noise, vibration, overheating, poor bur retention, weak torque, unstable rotation, or reduced cutting efficiency. Regular inspection and proper maintenance help prevent sudden performance failure during crown preparation, cavity preparation, polishing, finishing, surgical procedures, and implant workflows. Watch this tutorial for cartridge replacement .

Kaneiko provides a quick instructional video, “Kaneiko Quick Coupling | 20-Second Light Bulb Replacement,” to help users understand the basic light bulb replacement process for compatible quick coupling models. Before replacing the light bulb, make sure the quick coupling is disconnected, cooled down, and handled according to the product instructions. Always confirm the coupling model, bulb type, and compatibility before replacement to avoid poor illumination, loose connection, or damage to the quick coupling system.

For internal link/video link, link only this text:

Kaneiko Quick Coupling | 20-Second Light Bulb Replacement

Shipping Related FAQ

Yes. Kaneiko offers international shipping to support dental professionals, clinics, distributors, and global customers. Shipping availability may depend on the destination country, courier service, customs clearance, and local import regulations.

Delivery times vary depending on the destination and courier service. Normally, Kaneiko orders are delivered within 3–5 working days, subject to stock availability, payment confirmation, shipping method, customs clearance, and local delivery conditions.

Kaneiko ships to over 175 countries worldwide. Shipping availability may vary depending on courier coverage, customs regulations, and local import requirements. Please contact Kaneiko support if you would like to confirm delivery availability for your region before placing an order.

Yes. A tracking number will be provided once your Kaneiko order has been dispatched. You can use the tracking number to check shipment progress, courier updates, estimated delivery status, and delivery completion.

Customs duties, import taxes, tariffs, and other local charges may apply depending on your country’s regulations. These charges are determined by local customs authorities and are usually the responsibility of the recipient. Kaneiko recommends checking your local import requirements before placing an international order.