The use of different adhesive filling material and mass combinations to restore class II cavities under loading and shrinkage effects: a 3D-FEA

P. Ausielloa Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples Federico II, Naples, Italy

https://orcid.org/0000-0001-7683-5133

S. Ciaramellaa Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples Federico II, Naples, Italy

A. De Benedictisa Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples Federico II, Naples, Italy

A. Lanzottib Department of Industrial Engineering, Fraunhofer JL IDEAS – University of Naples Federico II, Naples, Italy

https://orcid.org/0000-0002-8485-7006

J. P. M. Tribstc Department of Dental Materials and Prosthodontics, São Paulo State University (Unesp), Institute of Science and Technology, São José dos Campos, BrazilCorrespondencejoã[email protected]

https://orcid.org/0000-0002-5412-3546

D. C. Wattsd School of Medical Sciences and Photon Science Institute, University of Manchester, Manchester, UK

https://orcid.org/0000-0002-9105-2775

Abstract

3D tooth models were virtually restored: flowable composite resin + bulk-fill composite (A), glass ionomer cement + bulk-fill composite (B) or adhesive + bulk-fill composite (C). Polymerization shrinkage and masticatory loads were simulated. All models exhibited the highest stress concentration at the enamel–restoration interfaces. A and C showed similar pattern with lower magnitude in A in comparison to C. B showed lower stress in dentine and C the highest cusps displacement. The use of glass ionomer cement or flowable composite resin in combination with a bulk-fill composite improved the biomechanical behavior of deep class II MO cavities.

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The use of different adhesive filling material and mass combinations to restore class II cavities under loading and shrinkage effects: a 3D-FEA

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The use of different adhesive filling material and mass combinations to restore class II cavities under loading and shrinkage effects: a 3D-FEA

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