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Computer Methods in Biomechanics and Biomedical Engineering Volume 24, 2021 - Issue 5
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Research Article

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, ItalyORCID Iconhttps://orcid.org/0000-0001-7683-5133
ORCID Icon,
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, ItalyORCID Iconhttps://orcid.org/0000-0002-8485-7006
ORCID Icon,
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]
ORCID Iconhttps://orcid.org/0000-0002-5412-3546
ORCID Icon &
D. C. Wattsd School of Medical Sciences and Photon Science Institute, University of Manchester, Manchester, UKORCID Iconhttps://orcid.org/0000-0002-9105-2775
ORCID Icon
Pages 485-495 | Received 29 Jul 2020, Accepted 08 Oct 2020, Published online: 22 Oct 2020
 
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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.

Disclosure statement

No potential conflict of interest was reported by the authors.

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