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Cellulose Nanofibre Mesh for Use in Dental Materials

School of Oral and Dental Science, University of Bristol, Lower Maudlin Street, Bristol BS1 2LY, UK
Author to whom correspondence should be addressed.
Coatings 2012, 2(3), 120-137;
Received: 17 April 2012 / Revised: 2 July 2012 / Accepted: 2 July 2012 / Published: 11 July 2012
(This article belongs to the Special Issue Advances in Dental Biomaterials and Coatings)
PDF [2015 KB, uploaded 11 July 2012]


The aim of this study was to produce a 3D mesh of defect free electrospun cellulose acetate nanofibres and to use this to produce a prototype composite resin containing nanofibre fillers. This might find use as an aesthetic orthodontic bracket material or composite veneer for restorative dentistry. In this laboratory based study cellulose acetate was dissolved in an acetone and dimethylacetamide solvent solution and electrospun. The spinning parameters were optimised and lithium chloride added to the solution to produce a self supporting nanofibre mesh. This mesh was then silane coated and infiltrated with either epoxy resin or an unfilled Bis-GMA resin. The flexural strength of the produced samples was measured and compared to that of unfilled resin samples. Using this method cellulose acetate nanofibres were successfully electrospun in the 286 nm range. However, resin infiltration of this mesh resulted in samples with a flexural strength less than that of the unfilled control samples. Air inclusion during preparation and incomplete wetting of the nanofibre mesh was thought to cause this reduction in flexural strength. Further work is required to reduce the air inclusions before the true effect of resin reinforcement with a 3D mesh of cellulose acetate nanofibres can be determined. View Full-Text
Keywords: nanofibre; electrospinning; fillers; dental; composites nanofibre; electrospinning; fillers; dental; composites

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Boyd, S.A.; Su, B.; Sandy, J.R.; Ireland, A.J. Cellulose Nanofibre Mesh for Use in Dental Materials. Coatings 2012, 2, 120-137.

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