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Chairside 3-D printed impression trays: a new approach to increase the accuracy of conventional implant impression taking? An in vitro study.
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- Additional Information
- Source:
Publisher: Springer Country of Publication: Germany NLM ID: 101676532 Publication Model: Electronic Cited Medium: Internet ISSN: 2198-4034 (Electronic) Linking ISSN: 21984034 NLM ISO Abbreviation: Int J Implant Dent Subsets: MEDLINE
- Publication Information:
Original Publication: Heidelberg : Springer, [2015]-
- Subject Terms:
- Abstract:
Purpose: A high transfer accuracy of the intraoral implant position to a model is required, to manufacture implant-supported restorations. However, clinically relevant deviations persist between the intraoral implant position and the model obtained, even for the benchmark conventional custom implant impressions with polyether. Thus, new approaches using 3-D printed impression trays may increase the transfer accuracy of implant impressions. The ability to adjust parameters such as the thickness of the layers and the influence of the openings in the impression tray could potentially affect accuracy.
Methods: Four different types of impression trays (n = 10 for each group) for the conventional impression technique were investigated: conventional custom impression tray, customized foil tray, chairside 3-D printed impression tray with the SHERA system, and the Primeprint system using an implant master model with four implants in the posterior region and a reference cube. After plaster model casting, all models were measured using a coordinate measuring machine, and the deviation from the reference dataset was determined. A statistical ANOVA analysis was performed (p < 0.05).
Results: Chairside 3-D printed impression trays showed the best results, followed by conventional custom impression trays. Implant impressions obtained using a customized foil tray exhibited the lowest accuracy. Statistically significant differences were observed between 3-D printed impression trays and conventional custom impression and customized foil trays (p < 0.05). Whereas, the implant position did not have any significant influence on accuracy (p > 0.05).
Conclusions: Chairside 3-D printed impression trays significantly increase the transfer accuracy for implant impression taking.
(© 2023. The Author(s).)
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- Contributed Indexing:
Keywords: 3-D printing; CAD–CAM; Dental implants; Dental impression technique; Full-arch implant case; Impression accuracy; Manufactured materials; Open impression technique; Precision; Trueness
- Accession Number:
0 (Dental Impression Materials)
0 (Dental Implants)
- Publication Date:
Date Created: 20231205 Date Completed: 20231207 Latest Revision: 20231208
- Publication Date:
20231215
- Accession Number:
PMC10697909
- Accession Number:
10.1186/s40729-023-00516-9
- Accession Number:
38052992
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