Influence of sterilization on the corrosion resistance of high-speed dental handpieces.

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ID: 46581
1992
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Abstract
Ball bearings of high-speed dental handpieces were sterilized by various procedures and examined under scanning electron microscopy for evidence of corrosion. The metallic parts of ball bearings (rings and spheres), if not correctly lubricated, were dramatically corroded in chemical vapor and steam sterilizer. The nonmetallic parts (the retainers made of phenolic resins) appeared to be more sensitive to heat treatments, as revealed by the occurrence of darkening and embrittlement phenomena. In the absence of correct lubrication procedures, the performance of high-speed dental handpieces appears to be adversely influenced by sterilization, mostly in wet environments. On the other hand, daily maintenance that follows the manufacturer's instructions reduces and delays the damage to a great extent.
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Authors Angelini, E;
Journal quintessence international (berlin, germany : 1985)
Year 1992
DOI
DOI not found
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Keywords
hardness dental offices irradiance light output light-curing units radiometers

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