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1 April 2016 Dynamic measurement of local displacements within curing resin-based dental composite using optical coherence elastography
Peter H. Tomlins, Mohammed Wahidur Rahman, Robert S. Donnan
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Journal of Biomedical Optics, Vol. 21, Issue 4, 046001 (April 2016). https://doi.org/10.1117/1.JBO.21.4.046001
Abstract
This study aimed to determine the feasibility of using optical coherence elastography to measure internal displacements during the curing phase of a light-activated, resin-based composite material. Displacement vectors were spatially mapped over time within a commercial dental composite. Measurements revealed that the orientation of cure-induced displacement vectors varied spatially in a complex manner; however, each vector showed a systematic evolution with time. Precision of individual displacements was estimated to be ∼1 to 2  μm, enabling submicrometer time-varying displacements to be detected.
CC BY: © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
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Peter H. Tomlins, Mohammed Wahidur Rahman, and Robert S. Donnan "Dynamic measurement of local displacements within curing resin-based dental composite using optical coherence elastography," Journal of Biomedical Optics 21(4), 046001 (1 April 2016). https://doi.org/10.1117/1.JBO.21.4.046001
Published: 1 April 2016
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Cited by 5 scholarly publications.
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KEYWORDS
Composites
Optical coherence tomography
Composite resins
Coherence (optics)
Elastography
Point spread functions
Polymerization
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