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A Comparative Biomechanical Analysis of Various Rod Configurations Following Anterior Column Realignment and Pedicle Subtraction Osteotomy

Mumtaz M, Mendoza J, Vosoughi AS, Unger AS, Goel VK

Objective: The objective of this study was to compare the biomechanical differences of different rod configurations following anterior column realignment (ACR) and pedicle subtraction osteotomy (PSO) for an optimal correction...
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An evaluation of the stress effect of different occlusion concepts on hybrid abutment and implant supported monolithic zirconia fixed prosthesis: A finite element analysis

Yesilyurt NG, Tuncdemir AR

PURPOSE The aim of this study is to evaluate the effects of canine guidance occlusion and group function occlusion on the degree of stress to the bone, implants, abutments, and...
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Comparative evaluation of peri-implant stress distribution in implant protected occlusion and cuspally loaded occlusion on a 3 unit implant supported fixed partial denture: A 3D finite element analysis study

Acharya PH, Patel VV, Duseja SS, Chauhan VR

Purpose: To assess peri-implant stress distribution using finite element analysis in implant supported fixed partial denture with occlusal schemes of cuspally loaded occlusion and implant protected occlusion. Materials and methods:...
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Finite element analysis of stress distribution around a short implant according to a horizontally reduced bone in the mandible

Lim KO, Kim KM, Yang MC, Kim HJ, Lee WP, Kim BO

This study evaluates the stress distribution around a short implant supporting a bone with various horizontally reduced levels using a three-dimensional finite element stress analysis. A three-dimensional finite element model...
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Three-dimensional finite element analysis of buccally cantilevered implant-supported prostheses in a severely resorbed mandible

Alom G, Kwon HB, Lim YJ, Kim MJ

Purpose The aim of the study was to compare the lingualized implant placement creating a buccal cantilever with prosthetic-driven implant placement exhibiting excessive crown-to-implant ratio. Materials and Methods Based on...
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Effects of implant alignment and load direction on mandibular bone and implant: finite element analysis

Chung H, Park C, Yun KD, Lim HP, Park SW, Yang H

Purpose: To evaluate the effects of load direction, number of implants, and alignment of implant position on stress distribution in implant, prosthesis, and bone tissue. Materials and Methods: Four 3D...
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Comparison of the outcomes of three-dimensional finite element analysis under arbitrary and realistic occlusal loading conditions in mandibular posterior region

Lee W, Alom G, Kim MS, Park YS, Lim YJ, Kim MJ, Kwon HB

Purpose: The purpose of this study was to compare the biomechanical outcome in the mandibular posterior region between two different loading conditions by finite element analysis. Materials and Methods: The...
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Effect of attachments and palatal coverage of maxillary implant overdenture on stress distribution: a finite element analysis

Park JH, Wang YK, Lee JJ, Park YH, Seo JM, Kim KA

Purpose: The purpose of this study was to evaluate the effect of attachments and palatal coverage on stress distribution in maxillary implant overdenture using finite element analysis. Materials and Methods:...
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Bicortical Screw Purchase at Upper Instrumented Vertebra (UIV) Can Cause UIV Fracture After Adult Spinal Deformity Surgery: A Finite Element Analysis Study

Wui SH, Hyun SJ, Kang B, Kim KJ, Jahng TA, Kim HJ

Objective: To examine the biomechanical stress distribution at the upper instrumented vertebra (UIV) according to unicortical- and bicortical purchase model by finite element analysis (FEA). Methods: A T8 to Sacrum with...
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Does the prosthesis weight matter? 3D finite element analysis of a fixed implant-supported prosthesis at different weights and implant numbers

Tribst JPM, Piva AMdOD, Borges ALS, Rodrigues VA, Bottino MA, Kleverlaan CJ

PURPOSE. This study evaluated the influence of prosthesis weight and number of implants on the bone tissue microstrain. MATERIALS AND METHODS. Fifteen (15) fixed full-arch implant-supported prosthesis designs were created...
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Effects of overdenture attachment systems with different working principles on stress transmission: A three-dimensional finite element study

Turker N, Buyukkaplan US

PURPOSE The aim of the present study was to compare the stress distributions on the dental implants, abutments, and bone caused by different overdenture attachment types under functional chewing forces. MATERIALS...
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Biomechanical stress and microgap analysis of bone-level and tissue-level implant abutment structure according to the five different directions of occlusal loads

Kim JH, Noh Gw, Hong SJ, Lee Hj

PURPOSE The stress distribution and microgap formation on an implant abutment structure was evaluated to determine the relationship between the direction of the load and the stress value. MATERIALS AND METHODS Two...
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Finite element analysis of the effect of novel Lock Screw system preventing abutment screw loosening

Im ES, Kim JE, Kim JH, Park YB

PURPOSE: The purpose of this finite element analysis study is to introduce the novel Lock screw system and analyze its mechanical property to see if it can prevent abutment screw...
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Effect of the restorative technique on load-bearing capacity, cusp deflection, and stress distribution of endodontically-treated premolars with MOD restoration

da Rocha D, Tribst JP, Ausiello P, Dal Piva A, da Rocha M, Di Nicoló R, Borges AL

OBJECTIVES: To evaluate the influence of the restorative technique on the mechanical response of endodontically-treated upper premolars with mesio-occluso-distal (MOD) cavity. MATERIALS AND METHODS: Forty-eight premolars received MOD preparation (4 groups,...
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Finite element analysis of long-term changes of the breast after augmentation mammoplasty: Implications for implant design

Myung Y, Lee JG, Cho M, Heo CY

The development of breast implant technology continues to evolve over time, but changes in breast shape after implantation have not been fully elucidated. Thus, we performed computerized finite element analysis...
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Comparative Finite Element Analysis of Lumbar Cortical Screws and Pedicle Screws in Transforaminal and Posterior Lumbar Interbody Fusion

Sin DA, Heo DH

OBJECTIVE: Lumbar cortical screw fixation (CSF), rather than pedicle screw fixation (PSF), has recently been attempted in lumbar interbody fusion. The purpose of our study was to evaluate the biomechanical...
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Load response of the natural tooth and dental implant: A comparative biomechanics study

Robinson D, Aguilar L, Gatti A, Abduo J, Lee PV, Ackland D

PURPOSE: While dental implants have displayed high success rates, poor mechanical fixation is a common complication, and their biomechanical response to occlusal loading remains poorly understood. This study aimed to...
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Critical evaluation of fracture strength testing for endodontically treated teeth: a finite element analysis study

Uzunoglu-Özyürek E, Küçükkaya Eren S, Eraslan O, Belli S

OBJECTIVES: The aim of this study was to investigate whether the diameter and direction of the plunger and simulation of the periodontal ligament (PDL) affected the stress distribution in endodontically...
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Evaluation of reliability of zirconia materials to be used in implant-retained restoration on the atrophic bone of the posterior maxilla: A finite element study

Degirmenci K, Kocak-Buyukdere A, Ekici B

PURPOSE: Zirconia materials have been used for implant-retained restorations, but the stress distribution of zirconia is not entirely clear. The aim of this study is to evaluate the stress distribution...
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Effects of cementless fixation of implant prosthesis: A finite element study

Lee H, Park S, Kwon KR, Noh G

PURPOSE: A novel retentive type of implant prosthesis that does not require the use of cement or screw holes has been introduced; however, there are few reports examining the biomechanical...
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