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The influence of a liner on deep bulk-fill restorations: Randomized clinical trial.

Authors
  • Torres, Carlos Rocha Gomes1
  • Mailart, Mariane Cintra2
  • Rocha, Rafael Santos3
  • Sellan, Pablo Lenin Benitez4
  • Contreras, Sheila Célia Mondragón5
  • Di Nicoló, Rebeca6
  • Borges, Alessandra Bühler7
  • 1 Sao Paulo State University - UNESP, Institute of Science and Technology, Department of Restorative Dentistry, São José Dos Campos, Avenida Engenheiro Francisco José Longo, 777, Jardim São Dimas, SP, 12245-000, Brazil. Electronic address: [email protected] , (Brazil)
  • 2 Sao Paulo State University - UNESP, Institute of Science and Technology, Department of Restorative Dentistry, São José Dos Campos, Avenida Engenheiro Francisco José Longo, 777, Jardim São Dimas, SP, 12245-000, Brazil. Electronic address: [email protected] , (Brazil)
  • 3 Sao Paulo State University - UNESP, Institute of Science and Technology, Department of Restorative Dentistry, São José Dos Campos, Avenida Engenheiro Francisco José Longo, 777, Jardim São Dimas, SP, 12245-000, Brazil. Electronic address: raf[email protected] , (Brazil)
  • 4 Sao Paulo State University - UNESP, Institute of Science and Technology, Department of Restorative Dentistry, São José Dos Campos, Avenida Engenheiro Francisco José Longo, 777, Jardim São Dimas, SP, 12245-000, Brazil. Electronic address: [email protected] , (Brazil)
  • 5 Sao Paulo State University - UNESP, Institute of Science and Technology, Department of Restorative Dentistry, São José Dos Campos, Avenida Engenheiro Francisco José Longo, 777, Jardim São Dimas, SP, 12245-000, Brazil. Electronic address: [email protected] , (Brazil)
  • 6 Sao Paulo State University - UNESP, Institute of Science and Technology, Department of Restorative Dentistry, São José Dos Campos, Avenida Engenheiro Francisco José Longo, 777, Jardim São Dimas, SP, 12245-000, Brazil. Electronic address: [email protected] , (Brazil)
  • 7 Sao Paulo State University - UNESP, Institute of Science and Technology, Department of Restorative Dentistry, São José Dos Campos, Avenida Engenheiro Francisco José Longo, 777, Jardim São Dimas, SP, 12245-000, Brazil. Electronic address: [email protected] , (Brazil)
Type
Published Article
Journal
Journal of dentistry
Publication Date
Nov 01, 2020
Volume
102
Pages
103454–103454
Identifiers
DOI: 10.1016/j.jdent.2020.103454
PMID: 32835711
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

The aim of this study was to evaluate the influence of a liner on the clinical performance of deep posterior restorations performed with bulk-fill composite. 30 subjects received two restorations on deep preparations in posterior teeth, without pulpal exposure, after selective carious-tissue removal in one-stage. The internal walls reached the inner quarter of dentin, but with a radiographically detectable zone of firm dentin remaining. The pulpal protection using a layer of glass ionomer composite liner (Ionoseal, Voco) was applied in just one preparation. The adhesive system Futurabond U (Voco) was applied in all preparations, which were restored with the bulk-fill pure Ormocer nanohybrid composite (Admira Fusion Xtra - Voco), in up to 4 mm thick increments. All restorations were evaluated using the FDI criteria after 7 days, 6, 12 and 24 months postoperatively. After 24-months, 25 patients attended the recall and 50 restorations were evaluated. The Fisher's statistical analysis (5%) showed no difference between the techniques for the esthetic, functional and biological properties. No postoperative sensitivity was reported for both groups. The application of a liner did not influence the clinical performance of deep restorations with bulk-fill Ormocer composite. The application of a liner with a GIC-based material did not have a significant effect on the clinical performance of bulk-fill restorations and seems to be unnecessary for the material tested. Copyright © 2020 Elsevier Ltd. All rights reserved.

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