Dental Handpieces types and function In Dentistry
Restorative dentistry necessitates the extraction and shaping of the dental structure including enamel and dentin. Previously hand instruments are also employed for this, but their application is more complicated and limited. Hand instruments also generated a lot of heat which could be harmful to vital structures of the tooth. One of the most important components of dental practice is the handpiece. It can be used as an instrument for efficiency and precision in everything from minute tweaks to routine activities. A rotating dental instrument is an electrically powered device that works efficiently and precisely. In dental clinics, dental handpieces are the most widely used dental rotary equipment. A rotating motor and burs in the head of the dental handpieces cut and trim dental structures.
Types of dental handpieces
The different types of handpieces are:-
- Based on the speed at which it works(RPM)
Slow speed handpiece
A Low (Slow) Speed Handpiece is a handheld motor that spins the dental bur and prophy cup at 12,000 RPM. It is usually air-driven or electric. They’re employed in endodontic procedures like root canal treatments to remove cavities and refine cavity preparations. The dental bur attachment, air/water nozzles, construction material, and angle design of the low-speed handpiece differ by manufacturer.
The high-speed handpiece is a precise device for efficiently and quickly removing tooth tissue with minimal pressure, heat, or vibration. It quickly cuts the teeth, but it must be used with caution. Dental high-speed handpieces come in a variety of shapes and materials, but they always spin at 250,000 to 400,000 RPMs. Attachment type, head size, light source (fiber optic lights), handpiece weight, and motor noise are among the characteristics that characterize high-speed dental tools.
- Based on shape
These burs, which are designed for use in straight or laboratory-style handpieces, can be utilized for a range of activities in a dental laboratory. Straight handpiece burs come in a number of formats and head shapes, so it’s critical to select the right one for the material you’ll be trimming. Some burs are made to trim precious metals, while others are made to shape dental models or ceramic restorations. If you use a straight handpiece, make sure you have a variety of straight handpiece burs on hand to do whatever task the next case calls for.
Contra angle Handpiece
The head is tilted in a contra-angle handpiece, and the burs are perpendicular to the handpiece plane. Crown cutting and restoration are two examples of restorative dental procedures that utilize it. In the dental operating technique, a contra-angled handpiece provides stability and simple accessibility.
Straighten your teeth without the need for surgery. In the dental operating technique, a contra-angled handpiece provides stability and simple accessibility.
- Based on mode of action
A surgical air-driven handpiece is required for safe oral surgery. These surgical handpieces have grated vents that prevent air from spraying into your oral cavity while you’re under anesthesia. This is important because it can quickly cause difficulties.
Endodontic handpieces are specialist dental implements used during root canal treatments to clean and shape canals. In most circumstances, these tools can drive endodontic files with accuracy, preventing file breakage or binding. These handpieces work with your selected file system and other operatory equipment for precision, whether they’re reciprocating or rotating.
The implant handpieces were created with oral and maxillofacial surgery in mind. They are especially durable since they are made of high-quality stainless steel with a unique coating.
Sterilization of dental handpieces
To avoid cross-infection, the dental instrument must be sterilized. Dental handpieces made of corrosion-resistant stainless steel can be easily sterilized. The sterilizing regime specifies a temperature range of 121-134 degrees.
When selecting a dental handpiece, the first thing to consider is what jobs it will be used for. High-speed alternatives are frequently utilized for tooth preparation, whereas low-speed options are better for completing and polishing restorations. Many electric handsets have a high/low-speed choice, which is ideal if your demands change – but most of these systems also provide both speeds. Once you know how this item will perform in your specialized dentistry office, it’s crucial to have a sense of how well it feels in your hands: weight balance, head size durability, and other factors all play a role in determining whether or not that particular piece will meet your needs. Finally, research what type of care is required, and keep in mind that dental handpieces are an investment, so do your research and choose the best suit for you.
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