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Erschienen in: Clinical Oral Investigations 1/2022

10.06.2021 | Original Article

Six-year clinical evaluation of bulk-fill and nanofill resin composite restorations

verfasst von: Ayse Ruya Yazici, Zeynep Bilge Kutuk, Esra Ergin, Sevilay Karahan, Sibel A. Antonson

Erschienen in: Clinical Oral Investigations | Ausgabe 1/2022

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Abstract

Objectives

This study aims to compare the performance of a bulk-fill and a nanofill resin composite in class II restorations after 6 years.

Materials and methods

Fifty patients having at least two class II carious lesions were recruited for the study. One lesion in each patient was randomly assigned to be restored using either the Tetric EvoCeram Bulk Fill (TB) or Filtek Ultimate (FU) resin composites with their respective adhesives. One hundred four restorations were placed by two calibrated operators. Restorations were evaluated at baseline and annually over the course of 6 years by two examiners using modified USPHS criteria. Data were statistically analyzed using the Chi-square and Cochran Q tests (p < 0.05).

Results

Sixty-six restorations in 33 patients were evaluated after 6 years. Only one restoration was lost from FU group at 5 years. At the end of 6 years, marginal discoloration was observed in three (9.1%) TB and eight (36.4%) FU restorations creating a significant difference between the groups (p < 0.05). The FU group showed a significant increase in marginal discoloration at 6 years from the baseline (p < 0.05). Marginal adaptation was rated as Bravo for 9.1% and 24.2% of TB and FU restorations, respectively (p > 0.05). Significant degradation was observed within each group in terms of marginal adaptation (p < 0.05). There were no statistically significant differences between the groups for the other criteria tested (p > 0.05).

Conclusions

Bulk-fill restorations performed better for marginal discoloration. The remaining clinical performance criteria of bulk-fill and nanofill resin composite restorations were similar after 6 years.

Clinical relevance

Bulk-fill resin might be a better alternative to incrementally placed restorative in terms of marginal discoloration under clinical conditions.
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Metadaten
Titel
Six-year clinical evaluation of bulk-fill and nanofill resin composite restorations
verfasst von
Ayse Ruya Yazici
Zeynep Bilge Kutuk
Esra Ergin
Sevilay Karahan
Sibel A. Antonson
Publikationsdatum
10.06.2021
Verlag
Springer Berlin Heidelberg
Erschienen in
Clinical Oral Investigations / Ausgabe 1/2022
Print ISSN: 1432-6981
Elektronische ISSN: 1436-3771
DOI
https://doi.org/10.1007/s00784-021-04015-2

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