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Proceedings Paper

An innovative approach for investigating the ceramic bracket-enamel interface - optical coherence tomography and confocal microscopy
Author(s): Roxana Otilia Romînu; Cosmin Sinescu; Mihai Romînu; Meda Negrutiu; Philippe Laissue; Sorin Mihali; Lavinia Cuc; Michael Hughes; Adrian Bradu; Adrian Podoleanu
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Paper Abstract

Bonding has become a routine procedure in several dental specialties - from prosthodontics to conservative dentistry and even orthodontics. In many of these fields it is important to be able to investigate the bonded interfaces to assess their quality. All currently employed investigative methods are invasive, meaning that samples are destroyed in the testing procedure and cannot be used again. We have investigated the interface between human enamel and bonded ceramic brackets non-invasively, introducing a combination of new investigative methods - optical coherence tomography (OCT) and confocal microscopy (CM). Brackets were conventionally bonded on conditioned buccal surfaces of teeth The bonding was assessed using these methods. Three dimensional reconstructions of the detected material defects were developed using manual and semi-automatic segmentation. The results clearly prove that OCT and CM are useful in orthodontic bonding investigations.

Paper Details

Date Published: 30 December 2008
PDF: 7 pages
Proc. SPIE 7139, 1st Canterbury Workshop on Optical Coherence Tomography and Adaptive Optics, 71390O (30 December 2008); doi: 10.1117/12.814894
Show Author Affiliations
Roxana Otilia Romînu, Victor Babeş Univ. of Medicine and Pharmacy, Timişoara (Romania)
Cosmin Sinescu, Victor Babeş Univ. of Medicine and Pharmacy, Timişoara (Romania)
Mihai Romînu, Victor Babeş Univ. of Medicine and Pharmacy, Timişoara (Romania)
Meda Negrutiu, Victor Babeş Univ. of Medicine and Pharmacy, Timişoara (Romania)
Philippe Laissue, Univ. of Kent (United Kingdom)
Sorin Mihali, Victor Babeş Univ. of Medicine and Pharmacy, Timişoara (Romania)
Lavinia Cuc, Aurel Vlaicu Univ. of Arad (Romania)
Michael Hughes, Univ. of Kent (United Kingdom)
Adrian Bradu, Univ. of Kent (United Kingdom)
Adrian Podoleanu, Univ. of Kent (United Kingdom)


Published in SPIE Proceedings Vol. 7139:
1st Canterbury Workshop on Optical Coherence Tomography and Adaptive Optics
Adrian Podoleanu, Editor(s)

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