Effect of glutaraldehyde cold sterilants on light transmission of curing tips

Steven K. Nelson, Wyatt Franklin Caughman, Frederick Rueggeberg, Petra E. Lockwood

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

This research examined the effect of immersion in glutaraldehyde-based cold sterilizing solutions on the ability of light-curing tips to transmit a standardized light intensity. Five commercial cold sterilizing solutions were selected, based on their classification: neutral (Cetylcide-G, 3.2%), acidic (Banicide, 2.0%), or alkaline (Cidex Plus, 2.5%; Cidex 7, 3.4%; and Sporicidin, 0.5%). Distilled water was used as the control. The light intensity transmitted through 24, 8-mm-diameter curing tips of similar type was determined by applying a standardized intensity (500 mW/cm2). Three tips were placed into each type of solution. The percentage of preimmersion intensity was determined at periodic intervals until all tips had received a total of 1,000 hours of immersion. After 1,000 hours' immersion, light transmission decreased significantly more in tips subjected to Cidex 7 than in tips subjected to all other treatments, which were all equivalent to the water control (an average increase of 1.5% over preimmersion values). The decrease in intensity seen with Cidex 7 averaged 49% and could not be totally recovered after use of conventional tip-polishing methods. Reduction in light levels could not be correlated with the pH of the sterilizing solutions.

Original languageEnglish (US)
Pages (from-to)725-730
Number of pages6
JournalQuintessence International
Volume28
Issue number11
StatePublished - Nov 1 1997

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Glutaral
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  • Dentistry(all)

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Effect of glutaraldehyde cold sterilants on light transmission of curing tips. / Nelson, Steven K.; Caughman, Wyatt Franklin; Rueggeberg, Frederick; Lockwood, Petra E.

In: Quintessence International, Vol. 28, No. 11, 01.11.1997, p. 725-730.

Research output: Contribution to journalArticle

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