Finite Element Analysis of Bone Stress around Micro-Implants of Different Diameters and Lengths with Application of a Single or Composite Torque Force

Ying-juan Lu, Shao-hai Chang, Jian-tao Ye, Yu-shan Ye and Yan-song Yu

PLOS ONE, 2015, vol. 10, issue 12, 1-9

Abstract: Background: Stress on the bone surrounding dental micro-implants affects implant success. Purpose: To compare the stress on the bone surrounding a micro-implant after application of a single force (SF) of 200 g or a composite force (CF) of 200 g and 6 N.mm torque. Materials and Methods: Finite element models were developed for micro-implant diameters of 1.2, 1.6, and 2.0 mm, and lengths of 6, 8, 10, and 12 mm and either a SF or CF was applied. The maximum equivalent stress (Max EQS) of the bone surrounding the micro-implant was determined, and the relationships among type of force, diameter, and length were evaluated. Results: The Max EQS of the CF exceeded that of the SF (P 1.2 mm.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0144744

DOI: 10.1371/journal.pone.0144744

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