Peri-Implant Biomechanical Responses to Standard, Short-Wide, and Mini Implants Supporting Single Crowns Under Axial and Off-Axial Loading (an In Vitro Study)

Kheiralla, Lamia; Younis, Jihan Farouk

doi:10.1563/aaid-joi-d-11-00102

Cited by 15 publications

(13 citation statements)

References 43 publications

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“…The challenge of short‐wide dental implants is to create a favorable biomechanical scenario able to prevent bone resorption under normal occlusal loading . Therefore, any crestal bone loss has a higher impact on implants with reduced length.…”

Section: Discussionmentioning

confidence: 99%

“…11 Thus, the success of short-wide implants depends on a proper transmission of the stresses to the bone tissue. 12,13 Implant geometry and the implant/abutment connection affect the stress dissipation at the bone/implant interface; 14 however, the influence of these factors on short-wide implants has not been evaluated yet. Therefore, a study was conducted to evaluate the photoelastic fringe patterns around two shortwide implants supporting a single crown with different C/I ratios.…”

mentioning

confidence: 99%

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Influence of Crown‐to‐Implant Ratio on Stress Around Single Short‐Wide Implants: A Photoelastic Stress Analysis

Sotto-Maior

Senna

Silva-Neto

et al. 2014

Journal of Prosthodontics

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Section: Discussionmentioning

confidence: 99%

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confidence: 99%

Influence of Crown‐to‐Implant Ratio on Stress Around Single Short‐Wide Implants: A Photoelastic Stress Analysis

Sotto-Maior

Senna

Silva-Neto

et al. 2014

Journal of Prosthodontics

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“…Experimental validation of FEA has been widely performed, and comparable results have been obtained in both in vitro and FEA experiments [ 21 22 23 27 28 29 ]. A literature review performed by Chang et al .…”

Section: Discussionmentioning

confidence: 99%

Influence of thickness and incisal extension of indirect veneers on the biomechanical behavior of maxillary canine teeth

et al. 2018

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ObjectivesTo analyze the influence of thickness and incisal extension of indirect veneers on the stress and strain generated in maxillary canine teeth.Materials and MethodsA 3-dimensional maxillary canine model was validated with an in vitro strain gauge and exported to computer-assisted engineering software. Materials were considered homogeneous, isotropic, and elastic. Each canine tooth was then subjected to a 0.3 and 0.8 mm reduction on the facial surface, in preparations with and without incisal covering, and restored with a lithium disilicate veneer. A 50 N load was applied at 45° to the long axis of the tooth, on the incisal third of the palatal surface of the crown.ResultsThe results showed a mean of 218.16 µstrain of stress in the in vitro experiment, and 210.63 µstrain in finite element analysis (FEA). The stress concentration on prepared teeth was higher at the palatal root surface, with a mean value of 11.02 MPa and varying less than 3% between the preparation designs. The veneers concentrated higher stresses at the incisal third of the facial surface, with a mean of 3.88 MPa and a 40% increase in less-thick veneers. The incisal cover generated a new stress concentration area, with values over 48.18 MPa.ConclusionsThe mathematical model for a maxillary canine tooth was validated using FEA. The thickness (0.3 or 0.8 mm) and the incisal covering showed no difference for the tooth structure. However, the incisal covering was harmful for the veneer, of which the greatest thickness was beneficial.

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“…2021, 11, 7568 2 of 13 stress acting at the junction between implant and bone influences osseointegration [2][3][4]. Furthermore, the force transmission from the implant to the peri-implant bone depends on the design of the junction, the direction of the force (axial or non-axial), the length and diameter of the implant, the implant design, and the quality of the bone [5][6][7][8]. Currently, research in the literature has examined the transmission of forces from the superstructure to the bone via the implant; however, the resulting conclusions remain limited [2,9,10].…”

Section: Introductionmentioning

confidence: 99%

Establishment of a New Biomechanical Measurement Method for Surface Deformation of Bone by Force Application via Dental Implants—A Pilot Study

Matta¹,

Riegger²,

Tragler

et al. 2021

Applied Sciences

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Purpose: To date, the qualitative and quantitative recording of biomechanical processes in dental implants represents one of the greatest challenges in modern dentistry. Modern, dynamic, 3D optical measurement techniques allow highly constant and highly accurate measurement of biomechanical processes and can be superior to conventional methods. This work serves to establish a new measurement method. Materials and Methods: A comparative analysis was undertaken for two different measurement systems, two conventional strain gauges versus the 3D optical two-camera measurement system ARAMIS (GOM GmbH, Braunschweig, Germany), as they detected surface changes on an artificial bone block under masticatory force application. Two implants (Straumann Standard Implants Regular Neck, Straumann GmbH, Freiburg, Germany) were placed in the bone block, and three different three-unit bridges were fabricated. Increasing masticatory forces, from 0 to 200 N, were applied to the bone block via each of these bridges and the inserted implants. Fifteen repetitions of the test were performed using a universal testing machine. The computer unit of the ARAMIS system was used to simultaneously integrate the surface changes recorded by the strain gauges and the ARAMIS system. The areas on the bone block examined by the dynamic 3D optical measurement method corresponded exactly to the locations and extent of the strain gauges. A statistical comparative analysis was carried out separately for the strain gauges and the corresponding optical measuring surface at the defined force magnitudes. The equivalence test and the intraclass correlation served as statistical means. Results: In the case of the intraclass correlation, a clear concordance of both measurement methods could be shown for all examined cases. For the equivalence test, no significance could be shown in individual cases. Conclusion: The accuracy of the modern, dynamic, 3D optical measurement method is comparable to that of conventional strain gauges. On this basis, versatile new research approaches in the field of biomechanics of dental implants can be pursued by establishing this method.

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Peri-Implant Biomechanical Responses to Standard, Short-Wide, and Mini Implants Supporting Single Crowns Under Axial and Off-Axial Loading (an In Vitro Study)

Cited by 15 publications

References 43 publications

Influence of Crown‐to‐Implant Ratio on Stress Around Single Short‐Wide Implants: A Photoelastic Stress Analysis

Influence of Crown‐to‐Implant Ratio on Stress Around Single Short‐Wide Implants: A Photoelastic Stress Analysis

Influence of thickness and incisal extension of indirect veneers on the biomechanical behavior of maxillary canine teeth

Establishment of a New Biomechanical Measurement Method for Surface Deformation of Bone by Force Application via Dental Implants—A Pilot Study

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