Dental Drills

Dental Drills
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Dental Drills

Dental Drills Have Caused A Revolution In The Field Of Dentistry

Dental drills are tools used and preferred by dentists worldwide to drill through teeth enamel and to clean and remove decayed material (or plaque) before going for a dental filling insertion. They are mostly used to treat tooth decay or cavity and sometimes for dental implants. Modern drills work at a speed of 400,000 rpm, and can be used to treat cavities which are 3.5 mm deep with concentric groovings. They enable dentists to perform their tasks in a more quick and accurate fashion, and have also reduced the pain and fear of patients. Thus, their invention has benefitted both the dentists and the patients to a great extent.

There is a wide range of dental drills available in the market spanning electric dental drills to high-speed dental drills to laser dental drills to pneumatic dental drills. Dental drills normally use hard metal alloy bits known as “burs,” which come designed in varied shapes for specific applications. Drills are manufactured using steel along with tungsten carbide or diamond coating. With innovation in science and technology many modifications have been made, such as incorporating sophisticated internal cooling systems and adding fiber optic lights and cameras. The latest drills even have epicyclic speed-increasing gearboxes and coolant spray systems for enhanced performance.

Dental drills mainly consist of handpieces, motors, air turbines, drill bits, and couplings. A handpiece is a slender, tube-shaped device that connects the drill bit with the driving motor. Drills are manufactured using the latest technology and a varied variety of raw materials. They consist of secondary motors, mainly electric and air-driven motors to generate slower speeds for specific applications. The couplings are used to connect the drill units to the electric or air power sources and cooling water. Depending on the type of fitting, they either have two or four holes. The handpiece is mostly produced using lightweight, hard plastic or metal alloys. While flexible materials, such as polymeric silicone or polyvinyl chloride, are used to manufacture tubing that connects the drill to the main power source.

Drills convert high pressurized air into mechanical energy, thus enabling the drill bits to rotate and perform their function. Dental bits, the most important part of dental drills, are used to produce cutting action. Drill bits are short, highly durable, and able to withstand high-speed rotation and the heat generated. They are available in a number of shapes for varying cutting and drilling tasks. The shapes include round, inverted cone, straight fissure, tapered fissure, and pear-shaped. They are used in dentistry for soft tissue drilling, polishing, and finishing purposes. In addition, drills are used for jewelry carving, precious and semi-precious stone studding, and for several hobbies like woodcarving, metal processing, and calligraphy that require high-precision drilling work. There are a number of alternatives to a dental drill available, such as laser ablation systems and air abrasion devices.

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