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Research at St Andrews

Restoration of damaged dental enamels using nano-scale iron-calcium phosphate minerals and femto-second pulsed near-IR lasers

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Author(s)

A. D. Anastasiou, S. Strafford, T. J. Edwards, M. Malinowski, C. T.A. Brown, M. N. Routledge, A. P. Brown, M. S. Duggal, Animesh Jha

School/Research organisations

Abstract

Need: Dental enamel is an acellular and avascular mineralised tissue, containing more than 95% calcium phosphate mineral. Although, the underlying softer dentine is connected with the microvasculature via the soft tissue and, therefore, possesses intrinsic regenerative capacity for mineralisation, the superficial enamel lacks regenerative potential. Consequently, the oral acid induced erosive damage on enamel is irreversible, and leads to lesion formation, which if unattended, may lead to hypersensitivity and feeling of pain. Advanced stage of eroded enamel with symptoms of hypersensitivity might lead to tooth loss in adults. Traditional clinical strategies for the repair of acid-eroded enamel include the use of off-shelf toothpastes and BIS-GMA polymeric materials; the latter is structurally incompatible with natural enamel due to mismatched thermal expansion coefficient and mechanical properties. As a result this type of bonding leads to failure of restored enamel area in a challenging oral environment [1]. Modern toothpastes only provide temporary symptomatic relief from hypersensitivity. Till date, no long-term or permanent solution for treating early stages of acid erosion is on offer. Associated with acid erosion is also erosive wear which affects especially the ageing population and leads to lingual tooth thinning and weakening. Rebuilding the entire damaged tissue region remains a challenge.

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Details

Original languageEnglish
Title of host publication2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728104690
DOIs
Publication statusPublished - 17 Oct 2019
Event2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019 - Munich, Germany
Duration: 23 Jun 201927 Jun 2019
http://www.cleoeurope.org/

Publication series

Name2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019

Conference

Conference2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019
Abbreviated titleCLEO/Europe-EQEC 2019
CountryGermany
CityMunich
Period23/06/1927/06/19
Internet address

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ID: 263517321

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