FE study of bone quality effect on load-carrying ability of dental implants

Demenko, Vladislav; Linetsky, I.; Nesvit, Vitalij; Linetska, Larysa; Shevchenko, A. K.

doi:10.1080/10255842.2013.766173

Cited by 23 publications

(17 citation statements)

References 23 publications

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“…Also, implant design characteristics were described as factors causing the stress. The alteration of stress was related with implant length [21,24,29], width [21,25,26,28-31], macro-relief as thread [28,32], and micro-relief as porosity [27]. Some of the articles emphasized that stress changes were caused by platform switching connection [20-22,33].…”

Section: Resultsmentioning

confidence: 99%

The Prosthetic Influence and Biomechanics on Peri-Implant Strain: a Systematic Literature Review of Finite Element Studies

Maminskas¹,

Puišys²,

Kuoppala³

et al. 2016

JOMR

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ObjectivesTo systematically review risks of mechanical impact on peri-implant strain and prosthetic influence on stability across finite element studies.Material and MethodsAn online literature search was performed on MEDLINE and EMBASE databases published between 2011 and 2016. Following keywords tiered screening and selection of the title, abstract and full-text were performed. Studies of finite element analysis (FEA) were considered for inclusion that were written in English and revealed stress concentrations or strain at peri-implant bone level.ResultsThere were included 20 FEA studies in total. Data were organized according to the following topics: bone layers, type of bone, osseointegration level, bone level, design of implant, diameter and length of implant, implant-abutment connection, type of supra-construction, loading axis, measurement units. The stress or strain at implant-bone contact was measured over all studies and numerical values estimated. Risks of overloading were accented as non-axial loading, misfits, cantilevers and the stability of peri-implant bone was related with the usage of platform switch connection of abutment.ConclusionsPeri-implant area could be affected by non-axial loading, cantilever prosthetic elements, crown/implant ratio, type of implant-abutment connection, misfits, properties of restoration materials and antagonistic tooth. The heterogeneity of finite element analysis studies limits systematization of data. Results of these studies are comparable with other findings of in vitro, in vivo, prospective and retrospective studies.

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Section: Resultsmentioning

confidence: 99%

The Prosthetic Influence and Biomechanics on Peri-Implant Strain: a Systematic Literature Review of Finite Element Studies

Maminskas¹,

Puišys²,

Kuoppala³

et al. 2016

JOMR

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show abstract

“…Bone quality was related to bone tissue elasticity and mechanical strength, which subsequently determined implant selection and surgical means [ 14 ]. The supporting bone possessing high density could not only provide better mechanical stabilization but also permit even stress distribution in the bone-implant interface [ 15 ]. However, weak bone quantity or quality was commonly encountered in the region of posterior maxilla, which led to a higher occurrence of failure compared with other regions.…”

Section: Introductionmentioning

confidence: 99%

“…However, weak bone quantity or quality was commonly encountered in the region of posterior maxilla, which led to a higher occurrence of failure compared with other regions. In particular, the lower density of trabecular bone can easily reduce the stability of the implant and increase bone stress [ 15 , 16 ].…”

Section: Introductionmentioning

confidence: 99%

Biomechanical Analysis of Grafted and Nongrafted Maxillary Sinus Augmentation in the Atrophic Posterior Maxilla with Three-Dimensional Finite Element Method

et al. 2020

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This study is aimed at determining the optimal sinus augmentation approach considering the poor bone condition in the zone of atrophic posterior maxilla. A series of simplified maxillary segment models varying in residual bone height (RBH) and bone quality were established. A 10 mm standard implant combined with two types of maxillary sinus augmentation methods was applied with the RBH, which was less than 10 mm in the maxilla. The maximal equivalent von Mises (EQV) stress in residual bone was evaluated. Bone quality had an enormous impact on the stress magnitude of supporting bone. Applying sinus augmentation combined with grafts was suitable for stress distribution, and high-stiffness graft performed better than low-stiffness one. For 7 mm and 5 mm atrophic maxilla, nongrafted maxillary sinus augmentation was feasible in D3 bone. Poor bone quality was a negative factor for the implant in the region of atrophic posterior maxilla, which could be improved by grafts. Meanwhile, the choice of maxillary sinus augmentation approaches should be determined by the RBH and quality.

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“…Due to the lack of periodontal ligament transfer in dental implant, the forces of chewing will transfer directly to the surrounding bones near the implant. Therefore, much effort has been devoted to investigate the relation between the characteristics of dental implant and the stress distribution near the dental implant-bone interface [1][2][3][4][5]. The most common cause of failure in dental implant is inadequate bone formation around the biomaterial immediately after implantation [6].…”

Section: Introductionmentioning

confidence: 99%

A comparative finite element analysis of two types of axial and radial functionally graded dental implants with titanium one around implant-bone interface

Shirazi

Ayatollahi

Karimi

et al. 2016

Science and Engineering of Composite Materials

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Functionally graded biomaterials (FGBMs) have received significant attention in the recent years as potential candidates for the next generation of dental implant improvement. This happened due to their unique advantages and their ability to satisfy the requirements of both biomechanical and biocompatibility properties simultaneously. This study was aimed to analyze the effects of two radial and axial FGBM dental implants on the stress distribution near the dental implant-bone interface under a static load using finite element method (FEM). The model was restrained on a base supporting bone and vertically loaded with a force of 100 N on the top of the abutment. In the FGBM models, the implants are made of a combination of bioceramic and biometal composition, with properties that change gradually and continuously in the radial and axial directions. The numerical results indicated that the use of both radial and axial FGBM dental implants reduced the maximum von Mises stress in the cortical and the cancellous bones in comparison with the common titanium one, which leads to faster bone regeneration and early stabilization of dental implant system. The findings of the present study may have implications not only for understanding the stresses and deformations around the implant-bone interface but also for improving the performance as well as application of FGBMs in dental implant materials.

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FE study of bone quality effect on load-carrying ability of dental implants

Cited by 23 publications

References 23 publications

The Prosthetic Influence and Biomechanics on Peri-Implant Strain: a Systematic Literature Review of Finite Element Studies

The Prosthetic Influence and Biomechanics on Peri-Implant Strain: a Systematic Literature Review of Finite Element Studies

Biomechanical Analysis of Grafted and Nongrafted Maxillary Sinus Augmentation in the Atrophic Posterior Maxilla with Three-Dimensional Finite Element Method

A comparative finite element analysis of two types of axial and radial functionally graded dental implants with titanium one around implant-bone interface

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