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Instruments / Technical Area	Publication Details	Published	Actions
E01-JEM ARM 200CF I13-2-Diamond Manchester Imaging	Hierarchical 2D to 3D micro/nano-histology of human dental caries lesions using light, X-ray and electron microscopy Cyril Besnard , Ali Marie , Petr Buček , Sisini Sasidharan , Robert A. Harper , Shashidhara Marathe , Kaz Wanelik , Gabriel Landini , Richard M. Shelton , Alexander Korsunsky Materials & Design 394 DOI: 10.1016/j.matdes.2022.110829 Diamond Proposal Number(s): [29256, 30666] Open Access Show Abstract ▼ Abstract: Dental caries is a widespread disease that damages teeth by heterogeneous dissolution. Conventional histology identifies different zones within carious lesions by their optical appearance, but fails to quantify the underlying nanoscale structural changes as a function of specific location, impeding better understanding of the demineralisation process. We employ detailed collocative analysis using different imaging modalities, resolutions and fields of view. Focused ion beam-scanning electron microscopy (FIB-SEM) reveals subsurface 3D nanostructure within milled micro-sized volumes, whilst X-ray tomography allows less destructive 3D imaging over large volumes. Correlative combination of these techniques reveals fine detail of enamel rods, inter-rod substance, sheaths, crystallites and voids as a function of location. The degree of enamel demineralisation within the body of the lesion, near its front, and at the surface is visualized in 3D. We thus establish the paradigm of dental 3D nano-histology as an advanced platform for quantitative evaluation of caries-induced structural modification.	Jun 2022

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E01-JEM ARM 200CF
I13-2-Diamond Manchester Imaging

Hierarchical 2D to 3D micro/nano-histology of human dental caries lesions using light, X-ray and electron microscopy

Cyril Besnard , Ali Marie , Petr Buček , Sisini Sasidharan , Robert A. Harper , Shashidhara Marathe , Kaz Wanelik , Gabriel Landini , Richard M. Shelton , Alexander Korsunsky

Materials & Design 394

DOI: 10.1016/j.matdes.2022.110829

Diamond Proposal Number(s): [29256, 30666]