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Optical coherence tomography use in the diagnosis of enamel defects

Research output: Contribution to journalArticle

Khalifa Al-Azri, Lucia N Melita, Adam P Strange, Frederic Festy, Maisoon Al-Jawad, Richard Cook, Susan Parekh, Laurent Bozec

Original languageEnglish
Pages (from-to)36004
JournalJournal of Biomedical Optics
Volume21
Issue number3
DOIs
Publication statusPublished - 1 Mar 2016

Documents

  • JBO_21_3_036004

    JBO_21_3_036004.pdf, 9.15 MB, application/pdf

    30/03/2016

    Final published version

King's Authors

Abstract

Molar incisor hypomineralization (MIH) affects the permanent incisors and molars, whose undermineralized matrix is evidenced by lesions ranging from white to yellow/brown opacities to crumbling enamel lesions incapable of withstanding normal occlusal forces and function. Diagnosing the condition involves clinical and radiographic examination of these teeth, with known limitations in determining the depth extent of the enamel defects in particular. Optical coherence tomography (OCT) is an emerging hard and soft tissue imaging technique, which was investigated as a new potential diagnostic method in dentistry. A comparison between the diagnostic potential of the conventional methods and OCT was conducted. Compared to conventional imaging methods, OCT gave more information on the structure of the enamel defects as well as the depth extent of the defects into the enamel structure. Different types of enamel defects were compared, each type presenting a unique identifiable pattern when imaged using OCT. Additionally, advanced methods of OCT image analysis including backscattered light intensity profile analysis and enface reconstruction were performed. Both methods confirmed the potential of OCT in enamel defects diagnosis. In conclusion, OCT imaging enabled the identification of the type of enamel defect and the determination of the extent of the enamel defects in MIH with the advantage of being a radiation free diagnostic technique.

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