ArticleClinical oral investigations2024
Influence of endodontic access cavity design on mechanical properties of a first mandibular premolar tooth: a finite element analysis study.
Article in Clinical oral investigations, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Three-dimensional-printed endocrowns: Does increasing intracoronal depth improve strength at the expense of fracture severity?Journal of conservative dentistry and endodontics · 2026Article
- Influence of endodontic access cavity design on root canal localization in mandibular first premolars using microscope and ultrasonic tips.Scientific reports · 2026Article
- Comparative finite element analysis of internal root resorption treatment using various root canal filling materials.BMC oral health · 2026Article
- How does endodontic access cavity design affect the biomechanics of a maxillary premolar?? a finite element analysis study.BMC oral health · 2025Article
- Structural response of mandibular first molars in the presence of proximal contacts: finite element analysis with antagonist teeth and alternative loading applications.Clinical oral investigations · 2025Article
- Finite element analysis of stress in mandibular molars repaired after fractured instrument removal.BMC oral health · 2025Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesThis study aimed to investigate the influence of access cavity designs on the mechanical properties of a single-rooted mandibular first premolar tooth under various static loads using a finite element analysis. MATERIALS AND
methods3-dimensional FEA designs were modeled according to the access cavity designs: an intact tooth (control), traditional access cavity (TEC-I), traditional access cavity with Class-II mesio-occlusal cavity design (TEC-II), conservative access cavity (CEC), ninja access cavity (NEC), caries-driven access cavity (Cd-EC), buccal access cavity (BEC) and bucco-occlusal access cavity (BOEC). After the simulated access cavity preparations, root canal treatment was simulated and three different static loads which mimicked oblique and vertical mastication forces were applied to the models. The stress distribution and maximum Von Misses stress values were recorded. The maximum stress values were obtained on both enamel and dentin under multi-point vertical loads.
resultsThe maximum stress values were obtained on both enamel and dentin under multi-point vertical loads. Under all load types, the minimum stress distribution was observed in the control group, followed by CEC, NEC and BEC designs. The highest stress concentration was detected in Cd-EC and TEC-II designs. Under single-point vertical loading, the stress was mostly concentrated in the lingual PCD area, while under multi-point vertical loading, the entire root surface was stress-loaded except for the lingual apical third of the root.
conclusionPreserving tooth tissue by simulating CEC, NEC and BEC access cavities increased the load capacity of a single-rooted mandibular first premolar following simulated endodontic treatment.
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