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KMID : 1022620090090030369
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Journal of Korean Academy of Dental Hygiene Education
2009 Volume.9 No. 3 p.369 ~ p.379
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Effect of latex gloves on polymerization inhibition of addition silicone impression materials
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Kim Soo-Hwa
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Abstract
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This study investigated the polymerization inhibition effect of latex gloves on addition silicone impression material. Three different kinds of addition silicone impression materials and a natural latex gloves were used in this study. The results were as follows.
1. Compared to the control group, all of those three kinds of impression materials took longer curing time in order of unwashed, alcohol and washed group, on the other hand, degloving group had shorter curing time than control group (p<0.05).
2. By the type of impression materials, there was no significant difference observed between Exafine and Twinz in ungloved group, Exafine and ImprintⅡ in unwashed group, and Exafine and Twinz in degloving group(p>0.05).
3. The degree of polymerization at 6 minutes after mixing impression materials was evaluated by dividing its range into score 1 to 5. All of the impression materials got score 5 in control group and degloving group, which implies perfect polymerization. In unwashed group, most of them appeared to be score 2 while score 3 were most frequently observed in alcohol group and score 4 in washed group. Thus each group showed differences in the degree of polymerization(p<0.05).
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KEYWORD
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addition silicone impression materials, latex gloves, polymerization
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