Abstract
It is of interest to compare the accuracy of three different impression techniques for a single tooth impression. We used 3 groups with 15 samples each in this study. Group 1: Putty and light body in a sectional stock tray; Group 2: Monophase and extra light body in a sectional stock tray; Group 3: Matrix impression technique. 15 impressions were taken of a prepared tooth on a typodont with each technique. The dimensions of the casts poured from these impression techniques were compared with the control typodont tooth. Data analysis shows that the matrix impression technique gave the best results in terms of dimensional study followed by monophase and extra light body impression technique and putty and light body impression technique gave the least accurate results. The results show that there is a statistically significant difference between the three impression techniques in terms of dimensional stability. Data analysis shows that the matrix impression technique gave the best results in terms of dimensional study followed by monophase and extra light body impression technique and putty and light body impression technique gave the least accurate results. The variations between the groups are within acceptable limits. Hence, it can be concluded that all the impression techniques will result in adequate dimensional stability and can be used in clinical scenarios.
Highlights
A successful fixed dental prosthesis is dependent upon the longterm health of the periodontal tissues as well as accurately recording the finish line of the prepared tooth [1]
The authors declare that they are not withholding any information that is misleading to the publisher in regard to this article. This is part of a special issue on Dental Biology Abstract: It is of interest to compare the accuracy of three different impression techniques for a single tooth impression
The results show that there is a statistically significant difference between the three impression techniques in terms of dimensional stability
Summary
A successful fixed dental prosthesis is dependent upon the longterm health of the periodontal tissues as well as accurately recording the finish line of the prepared tooth [1]. The most commonly used method for taking impressions in the double mix technique, in which two materials with different viscosities are used [4]. The accuracy of the impression was much dependent on the material [7], impression tray type[8] and impression technique [9], bulk of the material [10] and other factors [11]. These are the most commonly used techniques, it exhibits some errors, which demands for newer techniques to be introduced. It is of interest to compare the accuracy of three different impression techniques for a single tooth impression
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