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KMID : 0362320100350040235
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Journal of Korean Academy of Operative Dentistry
2010 Volume.35 No. 4 p.235 ~ p.237
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INFECTION CONTROL OF LIGHT CURING UNITS
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Chang Hoon-Sang
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Abstract
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When curing the composite restorations with light curing units, the light guides are often in direct contact with oral tissues, therefore contamination of light guides is inevitable. Curing light guides fall into the "semicritical" instrument category according to the Centers for Disease Control and Prevention (CDC) and must be heat or vapor-sterilized or at a minimum, these semicritical instruments must be sterilized in a liquid chemical agent. Currently, most common methods of maintaining sterility of the light guides are wiping the guide with a disinfectant, such as glutaraldehyde, after each patient use; using autoclavable guides; using presterilized, single-use plastic guides; and using translucent disposable barriers to cover the guide.
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KEYWORD
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Light guide, Semicritical instrument, Autoclave, Glutaraldehyde, Plastic guide, Disposable barrier
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