How does endodontic access cavity design affect the biomechanics of a maxillary premolar?? a finite element analysis study

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dc.authorid0000-0003-3299-3361
dc.authorid0000-0001-5757-0571
dc.contributor.authorUslu, Gulsah
dc.contributor.authorArican, Burcin
dc.contributor.authorGundogar, Mustafa
dc.contributor.authorOzyurek, Taha
dc.date.accessioned2026-02-03T12:00:30Z
dc.date.available2026-02-03T12:00:30Z
dc.date.issued2025
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractBackgroundThe aim of this study was to evaluate the effect of different endodontic access cavity designs on biomechanical properties of endodontically treated maxillary premolars under various static loads by finite element analysis method.MethodsBased on cone beam computed tomography data of maxillary first premolar, the models of endodontically treated teeth with traditional access cavity (TEC-I), traditional access cavity with Class-II mesio-occlusal cavity design (TEC-II), conventional access cavity (CEC), ninja access cavity (NEC), caries-driven access cavity (Cd-EC), buccal access cavity (BEC) and bucco-occlusal access cavity (BOEC). Three different static loads which were single-point vertical load (Static I), multi-point vertical load (Static II) and multi-point oblique load (Static III) were applied. The stress distribution and maximum Von Misses stress values were recorded.ResultsFor the enamel surface, the stress concentration was seen around the central fossa in Static I, on the marginal edge and palatal tubercle in Static II, and on the palatal cusp tip in Static III loads. For the dentin surface, the stress concentration was observed on pericervical area and buccal root surface in Static I, on all around the root surface in Static II, and on buccal and palatal root surfaces and furcation area in Static III loads. While the minimum stress distribution was detected in control group, followed by NEC and CEC designs, the maximum stress distribution was generally monitored in Cd-EC and TEC-II cavity designs.ConclusionThe increased tissue loss in maxillary premolars due to endodontic access cavity preparation meant the higher stress distribution on the tooth surface.
dc.description.sponsorshipCanakkale Onsekiz Mart University Scientific Research Projects Coordination Unit [TSA-2019-3071]
dc.description.sponsorshipThis study was supported by Canakkale Onsekiz Mart University Scientific Research Projects Coordination Unit. Project Number: TSA-2019-3071
dc.identifier.doi10.1186/s12903-025-06769-7
dc.identifier.issn1472-6831
dc.identifier.issue1
dc.identifier.pmid41013414
dc.identifier.scopus2-s2.0-105017417414
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1186/s12903-025-06769-7
dc.identifier.urihttps://hdl.handle.net/20.500.12428/34630
dc.identifier.volume25
dc.identifier.wosWOS:001582532200011
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_20260130
dc.subjectEndodontic access cavity
dc.subjectFinite element analysis
dc.subjectMaxillary premolar
dc.subjectMinimal invasive endodontic
dc.titleHow does endodontic access cavity design affect the biomechanics of a maxillary premolar?? a finite element analysis study
dc.typeArticle

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