Bone’s responses to different designs of implant-supported fixed partial dentures

Rungsiyakull, Chaiy; Chen, Junning; Rungsiyakull, Pimduen; Li, Wei; Swain, Michael V.; Li, Qing

doi:10.1007/s10237-014-0612-6

Cited by 42 publications

(28 citation statements)

References 41 publications

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“…An adaptive bone remodeling simulation has been developed to quantitatively predict the bone response after implantation. The previous studies have showed a good agreement of bone remodeling simulated results and animal/clinical experiments (Lin et al 2009b;Rungsiyakull et al 2015). Thus, the conclusion drawn from a bone remodeling simulation study may be more clinically relevant.…”

Section: Introductionmentioning

confidence: 78%

“…Strain energy density (SED) was used as the bone remodeling signal, with a homeostatic level of K ref = 0.0036 J/(g/mm 3 ) (Lin et al 2010b). The lazy zone, where no change in bone properties occurred, spanned ±10 % of this value δ (Rungsiyakull et al 2015). If the calculated strain energy density was over 10 % higher than K ref , the density and modulus were predicted to increase by the algorithm; if the strain energy density was more than 10 % lower than K ref , the tissue was predicted to resorb and the modulus decreases.…”

Section: Bone Remodeling Algorithmmentioning

confidence: 99%

“…A bone remodeling mathematical equation, based on computerized model employed in orthopedics, has been proposed to simulate the dental implant treatment (Li et al 2007). Since then, various numerical models based on clinical computerized tomography (CT) data have been developed (Chen et al 2013;Field et al 2010;Li et al 2011;Lin et al 2009aLin et al , 2010bRungsiyakull et al 2015). A systematic review of the bone remodeling induced by dental implant has been performed by Lin et al (2009b).…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Simulated bone remodeling around tilted dental implants in the anterior maxilla

Wang

Zhang²,

Ajmera

et al. 2015

Biomech Model Mechanobiol

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Dental implants have to be placed with the long axis in different angulations due to the change in bone morphology. The objective of this study was to investigate the different bone remodeling response induced by the tilted dental implants and to assess whether it could lead to bone loss and implant failure. In this study, bone remodeling due to palato-labially inclined dental implants placed in the anterior maxillary incisor region was simulated. CT-based finite element models of a maxillary bone with dental implants were created herein. Five dental implants were placed at [Formula: see text], [Formula: see text], [Formula: see text], [Formula: see text] and [Formula: see text], respectively. The remodeling progression was recorded and compared. Model [Formula: see text] (palatal side) shows the highest bone density values, but the inclined implant at [Formula: see text] (labial side) leads to significant bone loss. From a biomechanical perspective, it is speculated that a palatally inclined implant is more likely to enhance the bone density in the maxillary anterior region, but labial inclination of implant could jeopardize its stability.

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Section: Introductionmentioning

confidence: 78%

Section: Bone Remodeling Algorithmmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Simulated bone remodeling around tilted dental implants in the anterior maxilla

Wang

Zhang²,

Ajmera

et al. 2015

Biomech Model Mechanobiol

View full text Add to dashboard Cite

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“…The PDL cushions the abutment teeth from direct contact with the cortical and cancellous bone that form the bone sockets . The T‐FPD model preparation involved partial/full removal of the occlusal tissue on the abutment teeth . Some special considerations were taken in the modeling for determining the taper angle of abutment teeth to reflect the clinical conditions.…”

Section: Methodsmentioning

confidence: 99%

Identification of dynamic load for prosthetic structures

Zhang

Han

Zhang

et al. 2017

Numer Methods Biomed Eng

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Dynamic load exists in numerous biomechanical systems, and its identification signifies a critical issue for characterizing dynamic behaviors and studying biomechanical consequence of the systems. This study aims to identify dynamic load in the dental prosthetic structures, namely, 3-unit implant-supported fixed partial denture (I-FPD) and teeth-supported fixed partial denture. The 3-dimensional finite element models were constructed through specific patient's computerized tomography images. A forward algorithm and regularization technique were developed for identifying dynamic load. To verify the effectiveness of the identification method proposed, the I-FPD and teeth-supported fixed partial denture structures were investigated to determine the dynamic loads. For validating the results of inverse identification, an experimental force-measuring system was developed by using a 3-dimensional piezoelectric transducer to measure the dynamic load in the I-FPD structure in vivo. The computationally identified loads were presented with different noise levels to determine their influence on the identification accuracy. The errors between the measured load and identified counterpart were calculated for evaluating the practical applicability of the proposed procedure in biomechanical engineering. This study is expected to serve as a demonstrative role in identifying dynamic loading in biomedical systems, where a direct in vivo measurement may be rather demanding in some areas of interest clinically.

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“…2012), a regular grid to simplify the bone microstructure (Brown 2013), and perfect bonding between the screw and the bone (Wirth et al. 2012a, b; Rungsiyakull 2015). Moreover, the screw insertion operation itself is likely to induce micro-fractures in the bone structure that may substantially lower the bone’s mechanical performance (Yadav 2012; Wang 2014), something that has not been taken into consideration in the aforementioned studies.…”

Section: Introductionmentioning

confidence: 99%

Trabecular deformations during screw pull-out: a micro-CT study of lapine bone

Joffre

Isaksson

Procter

et al. 2017

Biomech Model Mechanobiol

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The mechanical fixation of endosseous implants, such as screws, in trabecular bone is challenging because of the complex porous microstructure. Development of new screw designs to improve fracture fixation, especially in high-porosity osteoporotic bone, requires a profound understanding of how the structural system implant/trabeculae interacts when it is subjected to mechanical load. In this study, pull-out tests of screw implants were performed. Screws were first inserted into the trabecular bone of rabbit femurs and then pulled out from the bone inside a computational tomography scanner. The tests were interrupted at certain load steps to acquire 3D images. The images were then analysed with a digital volume correlation technique to estimate deformation and strain fields inside the bone during the tests. The results indicate that the highest shear strains are concentrated between the inner and outer thread diameter, whereas compressive strains are found at larger distances from the screw. Tensile strains were somewhat smaller. Strain concentrations and the location of trabecular failures provide experimental information that could be used in the development of new screw designs and/or to validate numerical simulations.Electronic supplementary materialThe online version of this article (doi:10.1007/s10237-017-0891-9) contains supplementary material, which is available to authorized users.

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Bone’s responses to different designs of implant-supported fixed partial dentures

Cited by 42 publications

References 41 publications

Simulated bone remodeling around tilted dental implants in the anterior maxilla

Simulated bone remodeling around tilted dental implants in the anterior maxilla

Identification of dynamic load for prosthetic structures

Trabecular deformations during screw pull-out: a micro-CT study of lapine bone

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