Biomechanical stress in bone surrounding an implant under simulated chewing

Ishigaki, Shoichi; Nakano, Tamaki; Yamada, Shin‐ichi; Nakamura, Takashi; Takashima, Fumio

doi:10.1034/j.1600-0501.2003.140113.x

Cited by 81 publications

(64 citation statements)

References 11 publications

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“…All models showed maximum von Mises stress values appearing mainly at the cortical buccal bone around the neck of the implant as a result of an oblique load of 30° to buccal cusp; therefore, a reduction of the non-axial loading to the implant is essential in maintaining biomechanical stress distribution in the supporting bone around the implant (22,23). Standard implant models revealed lower stress values at 41% less than those of the short implant models because the short implants were comprised of less area that could dissipate the tension (18).…”

Section: © C I C E D I Z I O N I I N T E R N a Z I O N A L Imentioning

confidence: 99%

Stress Distribution of Various Designs of Prostheses on Short Implants or Standard Implants in Posterior Maxilla: A Three Dimensional Finite Element Analysis

Jomjunyong

Rungsiyakull

et al. 2017

ORL

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SUMMARY Introduction.Although many previous studies have reported on the high success rate of short dental implants, prosthetic design still plays an important role in the long-term implant treatment results. This study aims to evaluate stress distribution characteristics involved with various prosthetic designs on standard implants or short implants in the posterior maxilla. Materials and methods. Six finite element models were simulated representing the missing first and second maxillary molars. A standard implant (PW+ implant: 5.0x10 mm) and a short implant (PW+ implant: 5.0x6.0 mm) were applied under the various prosthetic conditions. The peri-implant maximum bone stress (V on mises stress) was evaluated when 200 N 30° oblique load was applied. A type III bone was approximated and complete osseous integration was assumed. Results. Maximum Von mises stress was numerically located at the cortical bone around the implant neck in all models.In every standard implant model shows better stress distribution. Stress values and concentration area decreased in the cortical and cancellous bone when implants were splinted in both the standard and short implant models. With regard to the non-replacing second molar models found that the area of stress at the cortical bone around the first molar implant to be more intensive. Moreover, in the non-replacing second molar models, the stress also spread to the second pre-molar in both the standard and short implant models. Conclusions. The length of the implant and prosthetics designs both affect the stress value and distribution of stress to the cortical and cancellous bones around the implant.

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Section: © C I C E D I Z I O N I I N T E R N a Z I O N A L Imentioning

confidence: 99%

Stress Distribution of Various Designs of Prostheses on Short Implants or Standard Implants in Posterior Maxilla: A Three Dimensional Finite Element Analysis

Jomjunyong

Rungsiyakull

et al. 2017

ORL

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“…4,5 It is showing overwhelming capability and versatility in its application in dentistry. [6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23] This paper reviews past and current practices in the finite element analysis of dental implants. The achievements and limitations of the existing analysis are discussed and the gap in research is identified.…”

Section: Introductionmentioning

confidence: 99%

Application of the finite element method in dental implant research

Staden

Guan

Loo

2006

Computer Methods in Biomechanics and Biomedical Engineering

222

139

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This article provides a review of the achievements and advancements in dental technology brought about by computer-aided design and the all powerful finite element method of analysis. The scope of the review covers dental implants, jawbone surrounding the implant and the biomechanical implant and jawbone interaction. Prevailing assumptions made in the published finite element analysis, and their limitations are discussed in some detail which helps identify the gaps in research as well as future research direction.

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“…In this context, the load generated at the bone in the vicinity of the implant may be determined as gradual decrease load, in a precise sense. Previous studies revealed that the concentration of lateral stress occurred at the peri-implant cortical bone (26), (27) .…”

Section: Discussionmentioning

confidence: 99%

The Alternation of Peri-Implant Bone Response Exposed to Static Lateral Load

Moriyama

Ayukawa

Kabemura

et al. 2009

JBSE

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In the present study, peri-implant tissue alteration was studied histologically, and then differences in the gene expression pattern of certain proteins were analyzed using cDNA microarray analysis, under the influence of static lateral load. Beagle dogs were divided into two groups: control and load. Three months after the extraction of mandibular premolars, two implants were placed in each side of the mandible. Each group was further divided into subgroups for loading times of 1, 7 and 14 days. Immediately after the implant installation, a loading device was adhered between the abutments of neighboring implants. Afterward, the expansion screw of the load group was activated by 360-degree rotation, resulting in 0.7 mm horizontal expansion. After sacrificing the dogs, peri-implant tissue was collected, then microarray analysis for the detection of gene expression was performed, as well as histology. Histology indicated that the peri-implant tissue broke down under the influence of the load. Microarray analysis demonstrated the presence of load-sensitive gene expression even after 1 day. Differences in gene expression patterns in concert with static lateral load were demonstrated, even at an early stage post-operation. Further study may help in the diagnosis of pathological overload.

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Biomechanical stress in bone surrounding an implant under simulated chewing

Cited by 81 publications

References 11 publications

Stress Distribution of Various Designs of Prostheses on Short Implants or Standard Implants in Posterior Maxilla: A Three Dimensional Finite Element Analysis

Stress Distribution of Various Designs of Prostheses on Short Implants or Standard Implants in Posterior Maxilla: A Three Dimensional Finite Element Analysis

Application of the finite element method in dental implant research

The Alternation of Peri-Implant Bone Response Exposed to Static Lateral Load

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