Bur

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Bur

An ancient Sumerian unit of area approximately equivalent to 64.8 square kilometers.
References in periodicals archive ?
The surface roughness of the samples were measured using the profilometer and the results showed that the carbide bur finishing produced the roughest finish surface.
Contract award: 00085-2012-0034 establishment of a framework agreement: "regular deliveries of supplies in the following lots: i -" general dental supplies ", ii -" diamond and carbide bur and cutters ", iii -" polishing and composite materials ", iv - "pins of titanium and fiberglass", v - "supplies dentistry", vi - "small and large dental instruments and peripherals", vii - "means for small and large dental instruments and peripherals" for the needs of mma and its subsidiary structures in the country, according to technical specification - application 1 (integral part of the documentation).
The Hicoat tungsten carbide burs offer superior chip removal, reduced tool wear, and lower heat loads when working on metals, such as hardened, heat-treated steels and heat-resistant alloys such as cast iron and soft, nonferrous metals.
Aluminium oxide-coated abrasive discs, diamond burs (25-30 micron), multifluted carbide burs (8-, 12-, 16- and 30-fluted), impregnated rubber cups/points and discs, diamond-coated abrasive strips and polishing pastes are the most commonly used.