A novel computational method to determine subject-specific bite force and occlusal loading during mastication

Computer Methods in Biomechanics and Biomedical Engineering
Oliver RöhrleDavid C Ackland

Abstract

The evaluation of three-dimensional occlusal loading during biting and chewing may assist in development of new dental materials, in designing effective and long-lasting restorations such as crowns and bridges, and for evaluating functional performance of prosthodontic components such as dental and/or maxillofacial implants. At present, little is known about the dynamic force and pressure distributions at the occlusal surface during mastication, as these quantities cannot be measured directly. The aim of this study was to evaluate subject-specific occlusal loading forces during mastication using accurate jaw motion measurements. Motion data was obtained from experiments in which an individual performed maximal effort dynamic chewing cycles on a rubber sample with known mechanical properties. A finite element model simulation of one recorded chewing cycle was then performed to evaluate the deformation of the rubber. This was achieved by imposing the measured jaw motions on a three-dimensional geometric surface model of the subject's dental impressions. Based on the rubber's deformation and its material behaviour, the simulation was used to compute the resulting stresses within the rubber as well as the contact pressures and forc...Continue Reading

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Oct 12, 2017·Dental Materials : Official Publication of the Academy of Dental Materials·Oliver RöhrleDavid C Ackland

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Citations

Jan 23, 2020·Computer Methods in Biomechanics and Biomedical Engineering·Harnoor SainiOliver Röhrle
Jul 13, 2019·The Journal of Advanced Prosthodontics·Dale RobinsonDavid Ackland
Feb 2, 2021·Technology and Health Care : Official Journal of the European Society for Engineering and Medicine·Shuai XuYing-Hui Tan

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