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Finite Element Analysis of Stress Distribution in Flat and Elevated-Rim Polyethylene Acetabular Liners

Kaku N, Tanaka A, Tagomori H, Tsumura H

Background: No study has compared flat and elevated-rim polyethylene liners in terms of stress distribution on the bearing surface. The purpose of this study was to investigate the difference in...
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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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Stress distribution of implants with external and internal connection design: a 3-D finite element analysis

Chung H, Yang SP, Park JH, Park C, Shin JH, Yang H

PURPOSE: This study aims to analyze the stress distribution of mandibular molar restoration supported by the implants with external hex and internal taper abutment connection design. MATERIALS AND METHODS: Models of...
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Influence of the length and location of implants on distal extension removable partial dentures: finite element analysis

Kim JH, Cho JH, Lee CH

PURPOSE: To evaluate the effects of implant location and length on stress distribution and displacement in osseointegrated-implants that were associated with mandibular distal extension removable partial dentures (DERPD). MATERIALS AND METHODS:...
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Analysis of stress distribution of tooth restored with metal-ceramic crown covering abfraction lesion according to its finish line location under occlusal load

Kim JH, Yoon CW, Kim T, Kim HS, Woo DG, Lee KW, Shim JS

PURPOSE: When the full veneer crown was treated in the tooth with abfraction lesion due to various causes, the prognosis of it may be compromised according to the location of...
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Three dimensional finite element analysis of the stress distribution around the mandibular posterior implant during non-working movement according to the amount of cantilever

Park JM, Kim HJ, Park EJ, Kim MR, Kim SJ

PURPOSE: In case of large horizontal discrepancy of alveolar ridge due to severe resorption, cantilevered crown is usually an unavoidable treatment modality. The purpose of this study was to evaluate...
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Does apical root resection in endodontic microsurgery jeopardize the prosthodontic prognosis?

Cho SY, Kim E

Apical surgery cuts off the apical root and the crown-to-root ratio becomes unfavorable. Crown-to-root ratio has been applied to periodontally compromised teeth. Apical root resection is a different matter from...
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Three-dimensional finite element analysis of stress distribution for different implant thread slope and implant angulation

Seo YH, Lim HP, Yun KD, Yoon SJ, Vang MS

PURPOSE: The purpose of this study was to find an inclination slope of the screw thread that is favorable in distributing the stresses to alveolar bone by using three dimensional...
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Finite element modeling technique for predicting mechanical behaviors on mandible bone during mastication

Kim HS, Park JY, Kim NE, Shin YS, Park JM, Chun YS

PURPOSE: The purpose of this study was to propose finite element (FE) modeling methods for predicting stress distributions on teeth and mandible under chewing action. MATERIALS AND METHODS: For FE model...
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A FEM study on stress distribution of tooth-supported and implant-supported overdentures retained by telescopic crowns

Paek JH, Lee CG, Kim TH, Kim MJ, Kim HS, Kwon KR, Woo YH

  • KMID: 2408197
  • J Korean Acad Prosthodont.
  • 2012 Jan;50(1):10-20.
PURPOSE: The purpose of this study was to investigate the stress distribution in mandibular implant-supported overdentures and tooth-supported overdentures with telescopic crowns. MATERIALS AND METHODS: The assumption of this study was...
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Finite element analysis of the effects of a mouthguard on stress distribution of facial bone and skull under mandibular impacts

Noh KT, Kim IH, Roh HS, Kim JY, Woo YH, Kwon KR, Choi DG

  • KMID: 2408196
  • J Korean Acad Prosthodont.
  • 2012 Jan;50(1):1-9.
PURPOSE: The purpose of this study was to investigate the effects of a mouthguard on stress distribution under mandibular impact. MATERIALS AND METHODS: The FEM model of head consisted of skull,...
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3-D FEA on the intrusion of mandibular anterior segment using orthodontic miniscrews

Park HK, Sung EH, Cho YS, Mo SS, Chun YS, Lee KJ

OBJECTIVE: The purpose of this study was to analyze the stress distribution and the displacement pattern of mandibular anterior teeth under various intrusive force vectors according to the position of...
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Finite element analysis of the effects of mouthguard produced by combination of layers of different materials on teeth and jaw

So WS, Lee HJ, Choi WJ, Hong SJ, Ryu KH, Choi DG

PURPOSE: The purpose of this study was to compare the stress distribution of teeth and jaw on load by differentiating property of materials according to each layer of widely used...
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The effect of implant system with reverse beveled platform design on marginal bone stress distribution

Cha JY, Cho JH, Jo KH

PURPOSE: The purpose of this study was to investigate the effects of the surface morphology of the implant neck on marginal bone stress measured by using finite element analysis in...
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A 3-dimensional finite element analysis of tapered internal connection implant system (Avana SS III(R)) on different abutment connections

Lee HS, Kim MR, Park JM, Kim SJ

PURPOSE: The purpose of this study was to compare the stress distribution characteristics of four different abutment connections on SS-III(R) fixture under occlusal loading, using 3-dimensional finite element method. MATERIALS AND...
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Influence of bone loss pattern on stress distribution in bone and implant: 3D-FEA study

Lee JH, Kim SH, Lee JB, Han JS, Yang JH

  • KMID: 2321772
  • J Korean Acad Prosthodont.
  • 2010 Apr;48(2):111-121.
PURPOSE: This 3D-FEA study was performed to investigate the influence of marginal bone loss pattern around the implant to the stress distribution. MATERIAL AND METHODS: From the right second premolar to...
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The effect of the amount of interdental spacing on the stress distribution in maxillary central incisors restored with porcelain laminate veneer and composite resin: A 3D-finite element analysis

Hong J, Tak SM, Baek SH, Cho BH

This study evaluated the influence of the type of restoration and the amount of interdental spacing on the stress distribution in maxillary central incisors restored by means of porcelain laminate...
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Photoelastic stress analysis of the mandibular unilateral free-end removable partial dentures according to the design

Park CW, Kay KS

STATEMENT OF PROBLEM: There are common clinical cases in which the mandibular first and second molars are missing unilaterally. PURPOSE: This study was designed to compare and evaluate the magnitude...
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Stress distribution pattern of the different diameter and length of short implants according to the bone quality: 3-D Finite Elements Analysis

Kim HK, Kim CH, Pyo SW

  • KMID: 2186625
  • J Korean Assoc Maxillofac Plast Reconstr Surg.
  • 2009 Mar;31(2):116-126.
The use of short implants has been accepted risky from biomechanical point of view. However, short implants appear to be a long term viable solution according to recent clinical reports....
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Stress distribution of endodontically treated maxillary second premolars restored with different methods: Three-dimensional finite element analysis

Lim DY, Kim HC, Hur B, Kim KH, Son K, Park JK

The purpose of this study was to evaluate the influence of elastic modulus of restorative materials and the number of interfaces of post and core systems on the stress distribution...
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