3D finite element analysis of stress distribution as a result of oblique and horizontal forces after regenerative endodontic treatment part II: comparison of material thickness

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dc.authoridDEMIR, PINAR/0000-0003-2030-5429
dc.contributor.authorDemircan, Beril
dc.contributor.authorDemir, Pınar
dc.date.accessioned2025-02-24T17:18:40Z
dc.date.available2025-02-24T17:18:40Z
dc.date.issued2023
dc.departmentFakülteler, Diş Hekimliği Fakültesi, Pedodonti Ana Bilim Dalı
dc.description.abstractAimThis study aimed to evaluate the stress distribution caused by secondary trauma forces after regenerative endodontic treatment (RET) using different thicknesses of coronary barrier material with three-dimensional finite element analysis(FEA).MethodA control model was created using the tomography image of the immature maxillary central tooth with computer software.Study models were created with the modulus of elasticity and Poisson's ratio of the materials used in RET.Enamel, dentin, cementum, periodontal ligament, cortical, and cancellous bone were modeled. Coronary barrier materials were applied in 3 mm and 5 mm thicknesses (Model 1: control model, model 2:3 mm/Calcium Enriched Mixture(CEM), model 3:3 mm/Mineral Trioxide Aggregate(MTA), model 4:3 mm/Biodentin, model 5:5 mm/CEM, model 6:5 mm/MTA, model 7:5 mm/Biodentin). For the trauma force simulation, 300 N force in the horizontal direction was applied to the buccal surface of the tooth in the first scenario. For the second scenario, maximum bite force simulation, a force of 240 N in the oblique direction was applied to the palatal surface of the tooth. FEA was performed with Algor Fempro. The resulting stresses were recorded as Von Mises, maximum, and minimum principal stresses.ResultsLower stress values were obtained in 5 mm models compared to 3 mm models. However, the difference between them was insignificant. Lower stress values were obtained in all RET models compared to the control model. The lowest stress values in dental tissues and bone tissue were obtained in the CEM models.ConclusionThis is the first study in which the stress caused by different thicknesses of CEM on dental tissues was evaluated with FEA. RET strengthens immature teeth biomechanically. CEM and Biodentin are more successful materials in stress distribution than MTA. Considering the cost of treatment, 3 mm material thickness is ideal for RET since there is no significant difference between the stress values resulting from the use of 5 mm and 3 mm coronary barrier material.
dc.description.sponsorshipThis research was supported by Inonu University Scientific Research Projects Unit with Project number 2591. [2591]; Inonu University Scientific Research Projects Unit
dc.description.sponsorshipThe authors would like to thank Ay Tasar & imath;m limited company for their kind support during the finite element analysis.r This research was supported by Inonu University Scientific Research Projects Unit with Project number 2591.
dc.identifier.doi10.1186/s12903-023-03559-x
dc.identifier.issn1472-6831
dc.identifier.issue1
dc.identifier.pmid37974115
dc.identifier.scopus2-s2.0-85177041168
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1186/s12903-023-03559-x
dc.identifier.urihttps://hdl.handle.net/20.500.14440/778
dc.identifier.volume23
dc.identifier.wosWOS:001106209000003
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherBMC
dc.relation.ispartofBmc Oral Health
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20250201
dc.subjectRegenerative endodontic treatment
dc.subjectFinite element analysis
dc.subjectMineral trioxide aggregate
dc.subjectCalcium enriched mixture
dc.subjectDental traumatology
dc.title3D finite element analysis of stress distribution as a result of oblique and horizontal forces after regenerative endodontic treatment part II: comparison of material thickness
dc.typeArticle

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