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Comparison between all-on-four and all-on-six treatment concepts on stress distribution for full-mouth rehabilitation using three-dimensional finite element analysis: A biomechanical study

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dc.contributor.authorPandey, Aishwarya
dc.contributor.authorDurrani, Farhan
dc.contributor.authorRai, Sanjay Kumar
dc.contributor.authorSingh, Nishant Kumar
dc.contributor.authorSingh, Preeti
dc.contributor.authorVerma, Rati
dc.contributor.authorKumar, Jitendra
dc.date.accessioned2025-01-28T09:51:19Z
dc.date.available2025-01-28T09:51:19Z
dc.date.issued2023
dc.description.abstractPurpose: The current study intended to provide a comparison of biomechanical behaviors of two different treatment concepts for full-mouth rehabilitation with dental implants placed according to the 'All-on-four' concept and 'All-on-six' concept with analysis of the stress patterns of the implant support system using three-dimensional finite element analysis (FEA). Materials and Methods: The edentulous mandible was treated with two different implant designs. 'All-on-Four' implant placement concept was used in Model 1 with two central axial implants and two distally tilted implants at 17� and in Model 2, 'All-on-Six' concept was applied with six vertically placed implants. Individual vertical and horizontal load of 100 N and oblique load of 141 N at 45� was applied to all implants. To evaluate and compare the results in terms of maximum principal stress, we used FEA. Results: All-on-six showed smaller maximum principal stress values on the cortical bone and implants. However, maximum principal stress values obtained on trabecular bone was smaller in the All-on-four design for vertical and horizontal loading conditions. Conclusions: The All-on-six approach showed more favorable biomechanical behavior. � 2023 Indian Society of Periodontology | Published by Wolters Kluwer - Medknow.
dc.identifier.doihttps://doi.org/10.4103/jisp.jisp_278_22
dc.identifier.issn0972124X
dc.identifier.urihttps://dl.bhu.ac.in/ir/handle/123456789/22635
dc.language.isoen
dc.publisherWolters Kluwer Medknow Publications
dc.subjectAll-on-four
dc.subjectall-on-six
dc.subjectfinite element analysis
dc.subjectmaximum principal stress
dc.subjecttilted implants
dc.titleComparison between all-on-four and all-on-six treatment concepts on stress distribution for full-mouth rehabilitation using three-dimensional finite element analysis: A biomechanical study
dc.typeArticle
dspace.entity.typePublication
journal.titleJournal of Indian Society of Periodontology
journalvolume.identifier.volume27

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2023