The dental drill or dental drill is one of the most used tools in the dentist’s office. If you are curious to know how this device works or since when it has been us, keep reading, because below we will tell you all the secrets of the dentist’s drill.
When was the dental drill created?
In the early days of dentistry, teeth with cavities were unceremoniously extract. The first dental drill appeared in 9000 BC. and it was an invention of the Indus Valley civilization. It was actually a bow drill that artisans are believ to have worked on, as its main use was the production of jewellery. The first mechanical foot drill was built by John Greenwood in 1790, inspir by a foot-operat spinning wheel. It was a slow and uncomfortable drill to use for both the dentist and his patient.
The mechanical dental drill was invent in 1864 by British dentist George Fellows Harrington. It was much faster than hand drills, but it was also quite noisy, so it wasn’t very successful. In 1868, the American dentist George F. Green invented the pneumatic dental drill, which work with a bellows operated by a pedal.
The pedal milling drill appear in 1871 by James B. Morrison.
How does the dentist drill work
The first electric dental drill was patent in 1875 by Dr. Green and by 1914 electric dental drills could reach speeds of up to 3,000 rpm. A second wave of innovations how to buy bulk phone numbers occurred in the 1950s and 1960s, which includ the development of the air turbine drill, which runs on compress air and can reach up to 500,000 rpm.
Currently dental drills operate mainly by electric motor or turbine motor, and are much faster, more efficient and safer than their predecessors. Although, as in the case of dental clinical history, changes are continuous and there is already talk of the next generation of laser drills.
In dentistry, the dental drill is a hand-held device that has a small electric motor.
Its functions are multiple and go beyond, although of course that is one of its most frequent uses. We can highlight the following.
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In addition to the motor the other main components of today’s dental drills are an ergonomic handpiece, gears and a tungsten drill bit, also known as a bur. There are different types of burs that can be attach and detach from the drill, and that are us depending on the needs of the procedure: cavities removal, tooth polishing, drilling.
Inside the drill handpiece are a series of drive shafts and gears that transmit rotational motion from the power source to the tungsten drill bit at the end of the head. Milling cutters with an electric motor can rotate at about 30,000 rpm. In the case of a turbine-power drill bit, a compressor converts pressuriz air into mechanical energy that rotates the cutter at more than 300,000 rpm.
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