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  Simulation of multi-stage nonlinear bone remodeling induced by fixed partial dentures of different configurations: a comparative clinical and numerical study

Liao, Z., Yoda, N., Chen, J., Zheng, K., Sasaki, K., Swain, M. V., et al. (2017). Simulation of multi-stage nonlinear bone remodeling induced by fixed partial dentures of different configurations: a comparative clinical and numerical study. Biomechanics and Modeling in Mechanobiology, 16(2), 411-423. doi:10.1007/s10237-016-0826-x.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-6042-E Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-4D64-A
Genre: Journal Article

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 Creators:
Liao, Zhipeng, Author
Yoda, Nobuhiro, Author
Chen, Junning1, Author              
Zheng, Keke, Author
Sasaki, Keiichi, Author
Swain, Michael V., Author
Li, Qing, Author
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1Richard Weinkamer, Biomaterialien, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863295              

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 Abstract: This paper aimed to develop a clinically validated bone remodeling algorithm by integrating bone’s dynamic properties in a multi-stage fashion based on a four-year clinical follow-up of implant treatment. The configurational effects of fixed partial dentures (FPDs) were explored using a multi-stage remodeling rule. Three-dimensional real-time occlusal loads during maximum voluntary clenching were measured with a piezoelectric force transducer and were incorporated into a computerized tomography-based finite element mandibular model. Virtual X-ray images were generated based on simulation and statistically correlated with clinical data using linear regressions. The strain energy density-driven remodeling parameters were regulated over the time frame considered. A linear single-stage bone remodeling algorithm, with a single set of constant remodeling parameters, was found to poorly fit with clinical data through linear regression (low R2 and R), whereas a time-dependent multi-stage algorithm better simulated the remodeling process (high R2 and R) against the clinical results. The three-implant-supported and distally cantilevered FPDs presented noticeable and continuous bone apposition, mainly adjacent to the cervical and apical regions. The bridged and mesially cantilevered FPDs showed bone resorption or no visible bone formation in some areas. Time-dependent variation of bone remodeling parameters is recommended to better correlate remodeling simulation with clinical follow-up. The position of FPD pontics plays a critical role in mechanobiological functionality and bone remodeling. Caution should be exercised when selecting the cantilever FPD due to the risk of overloading bone resorption.

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 Dates: 2016-09-152017-04
 Publication Status: Published in print
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 Identifiers: DOI: 10.1007/s10237-016-0826-x
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Title: Biomechanics and Modeling in Mechanobiology
  Other : Biomech. Model. Mechanobiol.
Source Genre: Journal
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Publ. Info: Berlin : Springer
Pages: - Volume / Issue: 16 (2) Sequence Number: - Start / End Page: 411 - 423 Identifier: ISSN: 1617-7959