Research Article

Effect of Plastic Impression-Transfer Copings on the Dimensional Accuracy of Implant Impressions

Volume: 26 Number: 1 March 26, 2023
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Effect of Plastic Impression-Transfer Copings on the Dimensional Accuracy of Implant Impressions

Abstract

Purpose: The purpose of this in vitro study was to evaluate the effect of plastic impression transfer copings on the dimensional accuracy of close tray implant impressions. Methods: A master model was constructed using autopolymerizing acrylic resin. Five parallel holes were drilled for implant analogs. Custom impression trays were made with autopolymerizing polymethyl methacrylate resin. The study consisted of 2 groups (n=5): (group 1) Impression was obtained with using plastic impression transfer coping (group 2) Impression was obtained without using plastic impression transfer coping. Vinylpolysiloxane impression material was used for both groups. After the impression were obtained, casts were made by type IV dental stone. Casts were scanned with the lab-type scanner and transferred to the measurement program. Measurements were made from a specific reference corner for each analog to ensure standardization. Data were saved as millimeters and pairwise comparisons were made with Welch's t-test analysis. Results: The effect of plastic caps was evaluated by applying the t-test to each distance. For all distances, the distortion seen in the measurements taken without the cap is higher than the measurements taken with the cap, but no significant differences were found (p>0.05). Conclusions: In the anterior-posterior distances, the distortions were found compression type, in the right-left distances the distortions were found as expansion-type. There is a dimensional change in the measurements taken without a cap, but no clinically significant differences were found.

Keywords

References

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Details

Primary Language

English

Subjects

Health Care Administration

Journal Section

Research Article

Authors

Publication Date

March 26, 2023

Submission Date

December 6, 2022

Acceptance Date

January 23, 2023

Published in Issue

Year 2023 Volume: 26 Number: 1

DOI

https://doi.org/10.7126/cumudj.1213288

IZ

https://izlik.org/JA34GK26CT

Cite

RIS / Bibtex
EndNote
Coşkun A, Koyu T, Yeşilyurt G, Ulgey M, Gorler O (March 1, 2023) Effect of Plastic Impression-Transfer Copings on the Dimensional Accuracy of Implant Impressions. Cumhuriyet Dental Journal 26 1 42–46.

Cited By

The Technique and Material Used to Join Transfers Affect the Accuracy and Final Fit of Implant-Supported Prostheses—In Vitro Study

European Journal of Dentistry

https://doi.org/10.1055/s-0044-1779422

Cumhuriyet Dental Journal (Cumhuriyet Dent J, CDJ) is the official publication of Cumhuriyet University Faculty of Dentistry. CDJ is an international journal dedicated to the latest advancement of dentistry. The aim of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of dentistry. First issue of the Journal of Cumhuriyet University Faculty of Dentistry was published in 1998. In 2010, journal's name was changed as Cumhuriyet Dental Journal. Journal’s publication language is English.


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