Clinical study on the adjustments required during try-in of crowns fabricated using the bite impression technique and with conventional methods

概要

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In the present study, crowns fabricated using the bite impression technique and using conventional methods were clinically compared to assess the efficacy of the bite impression technique. The subjects were ten patients seen at Osaka Dental University Hospital. Impression was taken using the bite impression technique and conventional methods. Evaluation criteria included the proximal contact, marginal integrity, excess crown height, occlusal adjustment time and amount of occlusal adjustment. The Wilcoxon signed-rank test was used for statistical analysis to examine the proximal contact and marginal integrity. The paired t-test was used to examine the excess crown height, occlusal adjustment time and amount of occlusal adjustment (p<0.05). The bite impression technique was superior to the conventional method in proximal contact (p<0.05). There was no significant difference between the two groups in marginal integrity. The excess crown height was significantly greater with the conventional method (p<0.05). The occlusal adjustment time was significantly shorter with the bite impression technique (p<0.05). The amount of occlusal adjustment was greater with the conventional method than with the bite impression technique (p<0.05). The results revealed the efficacy of the bite impression technique.
大阪歯科学会の論文
2013-04-00