The effectiveness of adding a supporting implant in stress distribution of long span fixed partial denture (three-dimensional finite element analysis)

Mozayek, Rami Shurbaji; Mozayek, Mohammad Yamen Shurbaji; Allaf, Mirza; Abouharb, Mohammad Bassam

doi:10.4103/0972-4052.176533

Cited by 3 publications

(2 citation statements)

References 14 publications

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“…[ 17 ] Cone beam computed tomography-guided implant placement in the anterior maxilla will overcome the possibility of an angulated abutments, yet expensive; hence, its use can be restricted to place multiple implants in the same region. [ 35 36 37 38 ] Therefore, further studies can be carried out with improvements made to finite element models with respect to geometry of implants with regard to thread pitch, thread shape, and thread depth, applying dynamic loading conditions depending on the clinical situation.…”

Section: Discussionmentioning

confidence: 99%

Correlation between abutment angulation and off-axial stresses on biomechanical behavior of titanium and zirconium implants in the anterior maxilla: A three-dimensional finite element analysis study

Guguloth

Duggineni

Chitturi

et al. 2019

J Indian Prosthodont Soc

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Aim: The aim of the present study was to evaluate the stress distribution around the titanium and zirconium implant with different abutment angulations in the anterior maxilla to off-axial load. Setting and Design: In vitro – Comparative study. Materials and Methods: Two models of titanium and zirconium implants (4 mm × 13 mm) and abutment with at 0°, 15°, 25° angulations were modeled to replace missing right central incisor using three-dimensional finite element analysis. A bite force of 178 N was applied on the lingual fossa of crowns at an angle of 120° off-axial to the long axis of implant. Statistical Analysis Used: Nil. Results: Von Misses stresses observed are as follows: (1) at the implant–bone interface Ti 0 (8.31 MPa), Zr 0 (8.57 MPa), Ti 15 (83.59 MPa), Zr 15 (98.07 MPa), Ti 25 (197.8 MPa), and Zr 25 (265.77 MPa); (2) at the implant–abutment interface Ti 0 (5.90 MPa), Zr 0 (6.45 MPa), Ti 15 (19.13 MPa), Zr 15 (19.32 MPa), Ti 25 (38.65 MPa), and Zr 25 (38.26 MPa); and (3) within superstructure Ti 0 (3.11 MPa), Zr 0 (5.02 MPa), Ti 15 (6.17 MPa), Zr 15 (5.02 MPa), Ti 25 (8.15 MPa), and Zr 25 (6.131 Mpa). Conclusion: Stress behavior of titanium and zirconium implant with tested abutment angulation at implant–abutment interface and within the superstructure was similar, except at implant–bone interface.

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Section: Discussionmentioning

confidence: 99%

Correlation between abutment angulation and off-axial stresses on biomechanical behavior of titanium and zirconium implants in the anterior maxilla: A three-dimensional finite element analysis study

Guguloth

Duggineni

Chitturi

et al. 2019

J Indian Prosthodont Soc

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“…On the other hand, Mozayek et al [9], discussed the effectiveness of adding a supporting implant in stress distribution of long-span fixed partial dentures using three-dimensional finite element analysis. The study concluded that adding a supporting implant has no mechanical advantages, whereas it has the disadvantages of complicating treatment and the complications that may occur to the implant and surrounding bone itself.…”

Section: Introductionmentioning

confidence: 99%

Prosthetic design and restorative material effect on the biomechanical behavior of dental implants: strain gauge analysis

et al. 2022

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Objective:The purpose of this in vitro study was to evaluate the effect of different implant prosthetic designs with two restorative materials on biomechanical behaviour using strain gauge analysis. Material and Methods: 6 different screw-retained implant restorations were designed and fabricated using a CAD/CAM system. These implants were divided into three main groups according to each design: group FB (fixed bridge); CB (cantilever bridge); SC (separate crowns). Each group was divided into two subgroups according to their restorative material: subgroup I -ultra translucent multi-layered zirconia (Kuraray Noritake Dental Inc, Japan); subgroup II -a combination of PEEK framework (BioHPP, Bredent, GmbH & Co.KG, Germany) and zirconia crowns (ultra-translucent multi-layered zirconia, Kuraray Noritake Dental Inc, Japan). Each subgroup was subjected to a vertical load of 100 N and their biomechanical behaviour was evaluated using a strain gauge (Kyowa, Japan) with a resistance of 120 Ω, length of 1 mm and width of 2.4 mm. For the implants, two strain gauges were positioned buccally and lingually, parallel to the long axis of the implant. For the restoration, two strain gauges were positioned buccally and lingually in the middle of it. The results were analyzed using three-way analysis of variance (ANOVA), followed by serial two-way and one-way ANOVAs at each level of the study, followed by Tukey's post hoc test P-values were adjusted for multiple comparisons using BENFORRONI correction and the significance level was set at P ≤ 0.05 for all tests. Results: FB showed the lowest strain values out of all 3 design groups. Moreover, the combination of PEEK and zirconia showed strain values smaller than full zirconia. The highest mean strain value was recorded in CB at 299.50 while the lowest mean strain peak value was recorded in group FB (74.50). The highest strain peak was recorded in CB subgroup I (3901.0 ± 195.91) and the difference had statistical significance (P-value < 0.01). Conclusion: the fixed bridge designed with PEEK framework and zirconia crowns was found to be more favorable in restoring the posterior edentulous area regarding strain measurements on the level of prosthetic components, implant and bone level.

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Stress distribution by parafunctional loading on tooth–implant, implant–implant, and tooth–tooth-supported prosthesis: A comparative three-dimensional finite element analysis

Ravindran,

Raghavan,

Christopher

et al. 2024

The Journal of Indian Prosthodontic Society

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Aim: The study’s objective was to evaluate the stress distribution in tooth-implant, implant-implant, and tooth-tooth supported prostheses under parafunctional loading in axial and oblique directions employing a 3D finite element analysis in the mandibular posterior region which had D3 bone (porous cortical bone and fine trabecular bone). Setting and Design: In vitro study, Finite element analysis. Meterials and Methods: Cone-beam computed tomography data was used by Mimics software (Materialize Mimics 19) to create a three-dimensional finite element simulation of the jaw. Solid Works 2018 (Dassault Systems) was used to produce a geometric 3D model of the three systems. Each model consisted of a bone, an implant, and teeth (Model I tooth-tooth supported, Model II tooth-implant supported and Model III implant-implant supported). The three models’ geometrical models were transferred to Ansys Workbench (19.2 software) for the analysis portion. A load that mimicked masticatory force was delivered in both axial and oblique directions. Statistical Analysis Used: In the present study, statistical analysis was not required because 3D finite element analysis uses deterministic numerical methods to simulate physical behavior and stress distribution patterns. Result: The results demonstrated that under the parafunctional combined loading process, the implant- implant supported prosthesis showed significantly higher stress concentrations in the bone. It was found that the cortical bone around the crestal region had the highest stresses. Conclusion: Within the constraints of this investigation, we could draw the following conclusion: Of the three models, the tooth-tooth supported prosthesis exhibited the least amount of stress distribution, which was also least when functional loading was applied in the axial direction.

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The effectiveness of adding a supporting implant in stress distribution of long span fixed partial denture (three-dimensional finite element analysis)

Cited by 3 publications

References 14 publications

Correlation between abutment angulation and off-axial stresses on biomechanical behavior of titanium and zirconium implants in the anterior maxilla: A three-dimensional finite element analysis study

Correlation between abutment angulation and off-axial stresses on biomechanical behavior of titanium and zirconium implants in the anterior maxilla: A three-dimensional finite element analysis study

Prosthetic design and restorative material effect on the biomechanical behavior of dental implants: strain gauge analysis

Stress distribution by parafunctional loading on tooth–implant, implant–implant, and tooth–tooth-supported prosthesis: A comparative three-dimensional finite element analysis

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