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Biomechanical investigation of maxillary implant-supported full-arch prostheses produced with different framework materials: a finite elements study

Ersöz MBT, Mumcu E

PURPOSE. Four and six implant-supported fixed full-arch prostheses with various framework materials were assessed under different loading conditions. MATERIALS AND METHODS. In the edentulous maxilla, the implants were positioned in a...
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Biomechanical Study of Cervical Endplate Removal on Subsidence and Migration in Multilevel Anterior Cervical Discectomy and Fusion

Lin M, Paul R, Shapiro SZ, Doulgeris J, O’Connor TE, Tsai CT, Vrionis FD

Study Design: This study compares four cervical endplate removal procedures, validated by finite element models. Purpose: To characterize the effect of biomechanical strength and increased contact area on the maximum von...
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Does the Suprascapular Nerve Move within the Suprascapular Notch? Biomechanical Perspective Using the Finite Element Method

Yoo YS, Jang Sw, Kim YS, Choi JA, Oh JH, Jeong JY

Purpose: We aimed to analyze changes in suprascapular nerve (SSN) position within the suprascapular notch during in vivo shoulder abduction. Materials and Methods: Three-dimensional models of the shoulder complex were constructed...
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Effect of implant fixtures with blood pocket designed platforms on crestal bone

Kang JS, Jung BE, Ko DH, Son MK

The purpose of this study was to investigate the impact of an implant with a blood pocket designed platform on the crestal bone by analyzing the stress distribution upon simulated...
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Comparative finite element analysis of an osseointegration system in transradial amputation: a proposal of a new design for osseointegration

Lee YS, Jeoung H, Lee SG, Kim DH, Lee CH

Purpose: Conventional osseointegration systems have been applied in patients requiring transhumeral or transfemoral amputation. However, the application of these systems to transradial amputation is limited by the small diameter of...
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Comparative finite element analysis of mandibular posterior single zirconia and titanium implants: a 3-dimensional finite element analysis

Choi SM, Choi H, Lee DH, Hong MH

PURPOSE Zirconia has exceptional biocompatibility and good mechanical properties in clinical situations. However, finite element analysis (FEA) studies on the biomechanical stability of two-piece zirconia implant systems are limited. Therefore, the...
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Impact of Screw Diameter and Length on Pedicle Screw Fixation Strength in Osteoporotic Vertebrae: A Finite Element Analysis

Matsukawa K, Yato Y, Imabayashi H

Study Design: Biomechanical study. Purpose: To quantitatively investigate the effect of screw size on screw fixation in osteoporotic vertebrae with finite element analysis (FEA) Overview of Literature: Osteoporosis poses a challenge in...
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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 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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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 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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