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Three Dimensional Comparative Study On The Accuracy Of Impression Technique Using New Impression Coping  

Kim, Se-Ra (Dept. of Dentistry, School of Medicine, Ajou University)
Kim, In-Soo (Dept. of Dentistry, School of Medicine, Ajou University)
Park, Sung-Jae (Dept. of Dentistry, School of Medicine, Ajou University)
Lee, Byung-Ok (Dept. of Mechanical Engineering, College of Engineering, Ajou University)
Ko, Sok-Min (Dept. of Dentistry, School of Medicine, Ajou University)
Publication Information
Journal of Dental Rehabilitation and Applied Science / v.26, no.3, 2010 , pp. 323-337 More about this Journal
Abstract
The objective of this study was to examine the availability of the new impression coping by comparing with conventional coping in implant pick-up impression technique. Five implant fixtures were installed on #14, 21, 23, 25, 27 in acrylic resin model. That model with 5 fixtures was standard model, which was divided 3 groups; using new flag type impression coping, conventional impression coping splinted with self-curing resin, conventional impression coping without splinting. We made metal circular cones for calculation 3-dimensional coordinates by attaching to implant fixtures or analogs. Three-dimensional relationships of each model were calculated. Data was analyzed by multiple ANOVA and Bonferroni. The accuracy of impression between using new flag type impression coping and conventional impression coping did not show differences in 3 - dimensional analysis.Within limitations of this study, the new flag type impression coping is available in implant pick-up impression technique.
Keywords
Implant impression; Impression coping; Three dimensional accuracy;
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