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KMID : 1004520140300010023
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Journal of Dental Rehabilitation and Applied Science
2014 Volume.30 No. 1 p.23 ~ p.27
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Dimensional stability of rubber impression materials immersed in iodophor disinfectant
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Choi Mee-Ra
Park Chan-Jin
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Abstract
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Purpose: The purpose of this study was to determine the dimensional stability of three rubber impression materials (polysulfide, polyvinylsiloxane, polyether) in an iodophor disinfectant.
Materials and Methods: Seventy-two impressions were made with each material and divided into control, 10-minute, and 30-minute immersion groups using an iodophor as the disinfectant. A microscope was used to measure dimensional changes in the stone casts made from each group of impressions, and the percent change was analyzed using a two-way ANOVA (P = 0.05).
Results: All dimensional changes after iodophor disinfection were small in 10 minute groups, however, showed significantly increased in 30 minute groups (P < 0.05).
Conclusion: Clinically, it can be recommended to use iodophor disinfectant for rubber materials within 10 minute.
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KEYWORD
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iodophor disinfectant, rubber impression material, dimensional stability
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