Want To Know More About How To Maintain Your Dental Drill

 

Dental drill is a small, high-speed drill used during dental procedures, usually to remove decay and shape tooth structure prior to the insertion of a filling or crown. Also know as a dental handpiece.

 

Primitive dental drills were used in the 18th and early 19th centuries. In 1868, American dentist George F. Green added power to the drill with a pneumatic version run by a pedal-powered bellows. In 1871, dentist James B. Morrison added pedal power to a bur drill. And in 1875, Dr. Green patented an electrified dental drill. This development revolutionized dentistry.

 

Dr. Green's pioneering electric drill used an electromagnetic motor. It worked well but was quite cumbersome. Just after the turn of the 20th century, most dentists' offices came to be wired for electricity. Plug-in electric drills were invented and became standard.

 

There are various designs of dental drills available, however, each have the same basic features, including micro motors, a handpiece, couplings, and a drill bit. The high speed drilling is activated by an air turbine. These devices convert highly pressurized air into mechanical energy, enabling drill bits to rotate over 300,000 rpms. Slower speeds are also necessary for things such as polishing, finishing, and soft tissue drilling, so dental drills are typically equipped with secondary motors. Common types include electric motors and air-driven motors.

 

The handpiece is typically a slender, tube-shaped device which connects the drill bit with the driving motor. It is often light-weight and ergonomically designed. It also has an E-shaped attachment that ensures that the drill bit is properly angled for maximum system stability. 

 

These components of the dental drill were once quite delicate. However, recent health concerns have forced designers to develop handpieces that can withstand high-pressure steam sterilization. The couplings are used to connect the drill unit to the electric or air power sources and cooling water. They can either consist of two or four holes, depending on the type of fitting.

 

The drill bit, or bur, is the most important part of the dental drill. It is short and highly durable, able to withstand high speed rotation and the heat that is subsequently generated. Many bur shapes are manufactured, each with varying cutting and drilling abilities. Some burs are even designed with diamond cutting flutes. Additional features may be added, such as coolant spray systems or illumination devices. The most sophisticated dental drill has an internal cooling system, an epicyclic speed-increasing gearbox, and fiberoptic illumination.

 

 


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