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Published in: Clinical Oral Investigations 3/2021

Open Access 01-03-2021 | Original Article

Measuring the polymerization stress of self-adhesive resin composite cements by crack propagation

Authors: Felicitas Wiedenmann, Fabian Becker, Marlis Eichberger, Bogna Stawarczyk

Published in: Clinical Oral Investigations | Issue 3/2021

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Abstract

Objectives

To test the polymerization stress of nine self-adhesive resin composite cements (G-CEM, iCEM, Bifix SE, Maxcem Elite, PANAVIA SA, SoloCem, SmartCem 2, SpeedCEM, RelyX Unicem 2) and one glass ionomer cement (control group; Ketac Cem).

Materials and methods

The crack propagation of a feldspar ceramic (n = 130) was determined by measuring crack lengths that originated from Vickers indentations, prior to and after the application and polymerization of the self-adhesive resin cements. Results for crack propagation were converted to polymerization stress values, and statistical analysis was performed using one-way ANOVA followed by Scheffé post hoc test.

Results

SmartCem 2 presented higher stress values than iCEM, SoloCem, and Ketac Cem, while Ketac Cem showed lower values than Bifix SE, Maxcem Elite, SmartCem 2, SpeedCEM, and RelyX Unicem 2.

Conclusions

Self-adhesive resin composite cements differ in their polymerization stress, which may affect the durability of the restoration. For restorations made from ceramics with lower flexural strength, such as feldspar ceramics, resin composite cement materials with less polymerization stress should be preferred.

Clinical Relevance

As a high polymerization shrinkage may increase crack propagation, the determination of the polymerization stress of self-adhesive resin composite cements employed for fixing all-ceramic restorations is an important factor.
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Metadata
Title
Measuring the polymerization stress of self-adhesive resin composite cements by crack propagation
Authors
Felicitas Wiedenmann
Fabian Becker
Marlis Eichberger
Bogna Stawarczyk
Publication date
01-03-2021
Publisher
Springer Berlin Heidelberg
Published in
Clinical Oral Investigations / Issue 3/2021
Print ISSN: 1432-6981
Electronic ISSN: 1436-3771
DOI
https://doi.org/10.1007/s00784-020-03391-5

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