Not a single person in the world has perfect teeth that do not require at least periodic examination and treatment by dentists. Due to the rapid development of modern technology, dental treatment is fast and painless.
In order for the doctor to perform the necessary manipulations with maximum efficiency when treating the oral cavity, dental clinics try not to save on special equipment. One of the elements of such equipment are dental handpieces, which are designed to transfer rotary motion from the installation of the drill directly to the element itself, which acts on the surface of the tooth.
In this article, we will consider the main types, types, characteristics of handpieces, their purpose, as well as selection criteria.
Content
All nozzles are divided into 4 large groups - turbine, angular, straight, special.
The principle of operation of the turbine nozzle is based on the use of a compressed air stream that drives a rotating element. This system is the "weakest point" in the entire system, as it is subjected to increased stress.In order for the device not to malfunction, it must be lubricated at least twice a day, and also after each disinfection. Such devices also require special storage conditions - in accordance with the manufacturer's recommendations, they should be installed in special vertical holders with the head up or down. Special bags are provided for storing sterile dental equipment. The best manufacturers offer these bags with a tip. The main advantage of such nozzles is their high rotation speed - from 300,000 to 500,000 rpm. Cooling in such devices is mainly air-water. The staff must wear a protective mask, all work is carried out using a saliva ejector and a dust suction device to prevent dust and water particles from entering the patient's respiratory tract.
Angle nozzles (also called Right Angle) are powered by an electric or pneumatic motor. In appearance, they resemble the previous model, but their motor rotation speed is much lower - from 20,000 to 70,000 rpm. These devices are used for such manipulations as polishing fillings, preparing cavities for inlays, opening root canals, etc. In such manipulations, high power is important, which is achieved at low speeds. The power value of the angular model exceeds that of the turbine one by almost one and a half times.
The principle of operation and functionality of handpieces (Handpiece) is similar to angular, their feature lies in the design, due to which the impact on the rotating element is increased. Such devices are used in cases where the power of other attachments is not enough - opening root canals on the front teeth, processing dentures, etc.
In cases where the use of the considered attachments is impractical due to inconvenience, special devices are used, among which endodontic, surgical, and also for removing tartar can be distinguished.
Most of the popular models of endodontic instruments operate on their own battery, and can perform translational movements (used to expand root canals, contribute to the formation of a cavity convenient for filling), rotate at low speeds (used for filling using pins with applied gutta-percha), rotational movements (greatly facilitate the work of dentists to widen the canals), to carry out vibration action (used for the preparation of wide root canals).
The tips used to remove calculus are designed in such a way as to apply high vibrations to the treated surface. During surface treatment, water is continuously supplied to it to prevent excessive heating.
There are so-called sonic tips, which are driven by rotating a special sleeve with compressed air, as a result of which the device is given a circular motion.
Sandblasting nozzles are mainly used for grinding the tooth surface. Removal of the dentin layer is carried out by feeding particles of aluminum oxide and other compounds under high air pressure. Such devices are effective when working with hard-to-reach cavities. The advantage of the technique is the absence of vibration and discomfort in the patient.
Surgical tips are used in various operations and must withstand sterilization at elevated temperatures around 140 ° C.
This nozzle belongs to the category of turbine with a friction clamp. It is used for therapeutic and orthopedic work. The product is made of brass and plated with chrome. The tool fits all burs with a shank diameter of 1.6 mm.There is a built-in LED lamp to illuminate the work surface for a full view.
In order to make it easy to clean, special grooves are provided on the body. They also contribute to the comfortable position of the product in the hand. German-made components used in the tool (bearings, rotor group) ensure long and reliable operation.
Built-in dual spray cooling system prevents overheating and device failure. There is also a pressure control valve that reduces pressure to reduce increased wear on the rotor during rotary movements. The head of the product is completely metal, due to which the aerodynamic flows are optimally distributed.
3 types of nozzles are made, which differ from each other in the type of connection to the drill sleeve: M4, B2, R. The manufacturer guarantees trouble-free operation of the product for six months, and in case of failure later, it is possible to make repairs, with the replacement of the rotor group, ball bearings, lighting lamps. Since this tip is made in Russia, there are no problems with spare parts. The product can be sterilized at temperatures up to 135 ° C. The scope of delivery also includes instructions on how to use the device and what to pay attention to when using and storing the tool.
Specifications:
Index | Value |
---|---|
Manufacturer | JSC "Crystal" |
Maximum power, W | 15 |
Rotation frequency, rpm | 300 000-350 000 |
Working air pressure, bar | 2,1-2,4 |
Length, mm | 131 |
Noise level, dBA | 64 |
Connection type | M4, B2, P |
Weight, gr. | 100 |
Average price, rub. | 1700 |
This tip is disposable. The popularity of models of this type throughout the world is due to the fact that when using them, the possibility of cross-infection is excluded, since one nozzle is used for only one patient.
The structure is fully assembled at the factory, sterilized and ready for use. Does not require additional configuration and maintenance.
Such attachments are priced an order of magnitude less than reusable counterparts, and are sold individually or in sets of five or ten. Despite the fact that this device is made in China, according to buyers, it is one of the best for professional dentists. Cooling is done with a single spray. When buying a package of 10 pcs., An adapter to the bur is provided as a gift. If you order a smaller quantity, you will have to purchase it separately.
Specifications:
Index | Value |
---|---|
Manufacturer | Tosi Foshan |
Body material | plastic |
Backlight presence | is absent |
Burr rotation frequency, rpm | 300 000-380 000 |
Working air pressure, MPa | 0,18-0,3 |
The maximum diameter of the circular runout, mm. | 0.03 |
Connection type | М4 |
Noise level, dBA | 75 |
Weight, gr. | 48 |
Average price, rub. | 310 |
This orthopedic head attachment, like the previous model, is originally from China.Thanks to the use of a turbine mechanism, a high performance is achieved in comparison with similar devices operating on a different principle.
Illumination with fiber-optic reflection function allows the dentist to work in full illumination of the treated area. The cooling system is single, the spray is distributed by the thinnest stream. Light alloy metal lightens the weight of the structure, making the handpiece more user-friendly. The head of the device is located in such a way as to allow access to the most remote places. The head is replaceable, it can be installed both orthopedic and ordinary. The quick-release connection allows you to quickly remove and install the attachment on the drill sleeve. Private dental clinics prefer to order such tips from AliExpress, while significantly saving money. This procurement method is not suitable for public hospitals that have to procure medical equipment through a tender.
Specifications:
Index | Value |
---|---|
Manufacturer | Soho |
Body material | light alloy metal |
Backlight presence | yes, fiber optics |
Burr rotation frequency, rpm | 280 000 - 350 000 |
Working air pressure, MPa | 0,2-0,3 |
Cooling system | single spray |
Connection type | М4 |
Fixing mechanism | button |
Weight, gr. | 40 |
Average price, rub. | 4200 |
This is one of the best handpieces for the dental department, not only in public hospitals but also in private clinics. If you are in doubt about which company's tool is better, we recommend paying attention to this particular German brand. Despite how much the device costs, it has a wide range of characteristics that are not always available in similar products.
The turbine nozzle is equipped with ceramic bearings, which have high reliability and long service life. The working head diameter is 12.5 mm, the connection to the drill sleeve is M4. It is difficult to overheat the device, as a four-channel circuit with finely dispersed water spray is used for cooling. Even the top of the boron is cooled.
The head is designed so that the dentist can access the most distant cavities. The nozzle is attached to the sleeve with a proprietary clamp, which contributes to a reliable fixation (clamping force is at least 30 N, which makes it impossible to accidentally detach or slip off).
The device can not only be washed in disinfectants, but also sterilized at temperatures up to 135 ° C. The high power of the handpiece - 16 V, allows the necessary manipulations to be carried out quickly and efficiently.
Specifications:
Index | Value |
---|---|
Manufacturer | KaVo |
Body material | stainless steel |
Backlight presence | is absent |
Power, V | 16 |
Working air pressure, bar | 2.8 |
Cooling system | four-channel spray |
Connection type | М4 |
Fixing mechanism | button |
Weight, gr. | 50 |
Overall dimensions, w * h * d, mm | 170 x 80 x 30 |
Average price, rub. | 13500 |
The handpiece of the German manufacturer Sirona is available in three modifications: Control (the cutting element rotates at a constant speed), Boost (maximum power), mini (small dimensions allow working with the most distant teeth). Depending on what modifications are, the user can choose a suitable model for himself.
The Boost model has a titanium coating that prevents mechanical damage to the case and contributes to an ergonomic position of the nozzle in the hand. Ceramic bearings provide long, high quality performance. The valve with double suction blocking prevents biological fluid from entering the drill sleeve.
The device is equipped with a powerful illumination of 25,000 lux, which is able to illuminate the treated area in full. The increased power of 23V allows the dentist to apply minimal effort during work and minimize staff breaks. The head is reduced in size and thanks to the four-channel cooling, the noise level is kept to a minimum. The proprietary Click & Go adapter system allows you to connect the device to any standard connector.
Specifications:
Index | Value |
---|---|
Manufacturer | Sirona |
Body material | stainless steel |
Backlight presence | yes, 25,000 lx |
Power, V | 23 |
Working air pressure, bar | 3 |
Cooling system | four-channel spray |
Connection type | М4 |
Rotation speed, rpm | 370000 |
Weight, gr. | 56 |
Overall dimensions, w * h * d, mm | 170 x 80 x 30 |
Maximum sterilization temperature, ° С | 135 |
Average price, rub. | 31200 |
Japanese firm NSK Nakanishi is well known in the dental equipment market. The Pana series includes ceramic bearing turbine handpieces. The Max modification is a modified version that focuses on smoothness and reliability.
Unlike similar models, the Pana Max has a thinner handle, which not only fits comfortably in the hand, but also makes it possible to carry out complex manipulations in hard-to-reach places, while the doctor gets a full view. Since in this model the bearings are built directly into the shaft, this helps to reduce vibration, as a result of which the doctor's hand experiences less stress.
The branded push-button clip securely fixes the device and does not allow displacement or slipping off the sleeve. A special head cleaning system prevents the ingress of biological fluids, thereby protecting the boron from damage. The manufacturer allows sterilization of the product in an autoclave at a temperature of 135 ° C. For additional sterilization, you can use a thermodisinfector. There is a safety valve that prevents increased rotation speed, which can lead to damage to the device.
Specifications:
Index | Value |
---|---|
Manufacturer | NSK Nakanishi |
Body material | stainless steel |
Backlight presence | is absent |
Bearing type | ceramic |
Cooling system | single-channel spray |
Connection type | М4 |
Rotation speed, rpm | 360 000- 450 000 |
Weight, gr. | 50 |
Overall dimensions, w * h * d, mm | 170 x 80 x 30 |
Maximum sterilization temperature, ° С | 135 |
Average price, rub. | 7500 |
This nozzle belongs to the category of angular. Suitable for all drills with a 1.6 mm bore. There is a built-in swivel push-button clamp for easy installation and removal of the instrument.
To save energy, there is a built-in generator that powers the LED backlight, making the light source completely self-contained. The brightness level is close to daylight temperature. The tip is universal and suitable for all types of connections.
The device works almost silently, this is due to the ceramic bearings used in the motor. The cooling system uses a three-point spray that effectively cools the head during operation.
Specifications:
Index | Value |
---|---|
Manufacturer | DentalWerk |
Body material | stainless steel |
Backlight presence | yes, high quality |
Bearing type | ceramic |
Cooling system | three-channel spray |
Color rendering index | exceeds 90 |
Gear ratio | 1*4,5 |
Luminous flux, lumen | 5 |
Head diameter, mm | 10.1 |
Average price, rub. | 45000 |
The contra-angle design of the handpiece of the German manufacturer KaVo is similar to the constructor - it can be combined with different heads and the ratio can be adjusted to suit a particular user. Since their choice is wide (14 items), such a nozzle can be used for work of any complexity.
The high transmission ratio ensures maximum working efficiency. There is a built-in light source with a capacity of 25,000 lux. The light can be positioned in the desired direction. Experienced doctors advise to estimate its dimensions before choosing a tip for a handpiece - although most of them are small, some may limit the view of the treated surface.
The friction clamp makes it possible to remove and install the unit with one hand movement. The three-channel spray cools heated surfaces quickly and virtually silently. To clean the circulating liquid, a microfilter with the function of quick removal and installation is provided.
The use of ceramic bearings also ensures a minimum vibration level. This is also facilitated by the use of proprietary Triple-Gear technology. Not only sterilization at 135 ° C is allowed, but also thermal disinfection under the same conditions.
The product is coated with a special non-slip compound to prevent slipping out even from wet gloves.
Specifications:
Index | Value |
---|---|
Manufacturer | KaVo |
Body material | stainless steel |
Backlight presence | yes, 25,000 lx |
Bearing type | ceramic |
Cooling system | three-channel spray |
Noise level | 55 dBA |
Maximum sterilization temperature, ° С | 135 |
Chuck holding force | 30 N |
Gear ratio | 7,4:1 |
Average price, rub. | 27800 |
This device of Chinese origin is in great demand in dental offices, especially private ones. This is due to the fact that many managers, wondering which device is better to buy, focus primarily on price, not quality.
A nozzle is used for sandblasting the surface of the teeth to remove plaque, tartar and other contaminants. The principle of operation is to supply a mixture of air, water and special powder under pressure to the surface to be treated. As a result of mixing the composition, a spray is formed, which removes even old dirt, while the patient does not experience discomfort.
The nozzle is removable and can be thermally disinfected. It can be rotated around its axis, thereby allowing it to be guided to the desired location without any effort. A special container with a screw cap is provided for the powder. The package also includes a spare cover, a set of shims, and two cleaning needles (large and small). Also, the device is equipped with a filter that prevents powder from returning to the drill sleeve.
Specifications:
Index | Value |
---|---|
Manufacturer | Beijing Wandong Medical Equipment |
Body material | stainless steel |
Backlight presence | is absent |
Air pressure, bar | 2,3-3,2 |
Connection type | М4 |
360 ° swivel | there is |
Clamp type | button |
Average price, rub. | 4000 |
When buying a handpiece for a drill, it is important to understand what it is and how it works. Since such devices outwardly practically do not differ from each other, you can purchase a device that will not only perform the functions assigned to it poorly, but will also quickly become unusable.
First of all, you need to pay attention to the material of manufacture of the device, the availability and quality of bearings, the cooling system. Backlighting is desirable but not required. It will be useful to check the availability and duration of the warranty. The higher it is, the better the device is in front of you.
We hope that our review will help you make the right choice and purchase a device that will work for a long time and with high quality, while not causing discomfort to either the patient or the attending physician.