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How much you know about dental handpiece
By William Bruse on December 11, 2011 |
Total Viewed: 67 |
| Post by : William Bruse |
| Category: Health & Fitness |
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A lot of dentists face all kinds of [b][url=http://www.izidental.com/]dental equipment[/url][/b] to choose, but how they get a right one? This article introduces some knowledge about dental handpiece to you.
What is [b][url=http://www.izidental.com/dental-handpiece.html]dental handpiece[/url][/b]?
A dental handpiece (also known as dental drill) is a precision-built mechanical device used in dental treatment to removes decayed tooth material prior to the insertion of a dental filling.
What is the classification of [b][url=http://www.izidental.com/dental-handpiece.html]dental handpiece[/url][/b]?
Dental handpieces can be classified according to the revolutions per minute (rpm) or speed at which they operate. One type is the low- or slow-speed, and the other is referred to as the high-speed contra-angle. Both the low- and high-speed dental handpieces use an air system to operate several parts of the handpiece. The main function of the air is to rotate the air turbine or vane drive. Basically, this means the air system is the main power source for these handpieces.
Modern dental handpieces can rotate at up to 800,000 rpm, and generally use hard metal alloy bits (actually small rotary files) known as 'burs'. Dental burs come in a great variety of shapes designed for specific applications. They are often made of steel with a tungsten carbide coating or of tungsten carbide entirely. The bur may also have a diamond coating.
What is the PRIOR ART?
A handpiece of the above general kind is known from German Gebrauchsmuster No. 69 40 204. In this known handpiece a fibre-optic light guide runs inside a flexible hose, which also contains media lines for water and/or air, from one [b][url=http://www.izidental.com/]dental supply[/url][/b] member, which is arranged at the end of the handpiece remote from the tool, on the outside along the handpiece as far as the tool end of the handpiece. For the purpose of rendering possible a partially mutual torsion between handpiece and supply member the hose has a certain over length. The picking-up and holding of the handpiece and also its handling in respect of the patient is made very difficult, in that the hose runs on the outside on the handpiece.
Dental equipment: http://www.izidental.com
Dental handpiece: http://www.izidental.com/dental-handpiece.html
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dental equipment,
dental supply
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