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22 March 2016 Marginal integrity evaluation of dental composite using optical coherence tomography
Adrian-Tudor Stan; Andreea-Codruta Cojocariu; Anca Adriana Antal; Florin Topala; Cosmin Sinescu; Meda Lavinia Negrutiu; Virgil-Florin Duma; Adrian Gh. Podoleanu
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Proceedings Volume 9670, Sixth International Conference on Lasers in Medicine; 967012 (2016) https://doi.org/10.1117/12.2192855
Event: Sixth International Conference on Lasers in Medicine, 2015, Bucharest, Romania
Abstract
In clinical dental practice it is often difficult or even impossible to distinguish and control interfacial adhesive defects from adhesive restorations using visual inspection or other traditional diagnostic methods. Nonetheless, non-invasive biomedical imaging methods like Optical Coherence Tomography (OCT) may provide a better view in this diagnostic outline. The aim of this study is to explore evaluations of the marginal adaptation of class I resin composites restorations using Time Domain (TD) OCT. Posterior human teeth have been chosen for this study. The teeth were stored in 0.9% physiological saline solution prior to use. A classical round-shaped class I cavity was prepared and cavities were restored with Charisma Diamond composite by Heraeus Kulzer and using a system of etch and rinse boding. The specimens were subjected to water storage and then to thermo-cycling. Three dimensional (3-D) scans of the restoration were obtained using a TD-OCT system centered at a 1300 nm wavelength. Open marginal adaptation at the interfaces and gaps inside the composite resins materials were identified using the proposed method. In conclusion, OCT has numerous advantages which justify its use for in vitro, as well as for in vivo studies. It can therefore be considered for non-invasive and fast detection of gaps at the restoration interface.
© (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Adrian-Tudor Stan, Andreea-Codruta Cojocariu, Anca Adriana Antal, Florin Topala, Cosmin Sinescu, Meda Lavinia Negrutiu, Virgil-Florin Duma, and Adrian Gh. Podoleanu "Marginal integrity evaluation of dental composite using optical coherence tomography", Proc. SPIE 9670, Sixth International Conference on Lasers in Medicine, 967012 (22 March 2016); https://doi.org/10.1117/12.2192855
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