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Oana Pop

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Proceedings Article | 10 August 2018 Paper

Optical coherence tomography study regarding the enamel structure before and after debonding

Camelia Szuhanek, Cosmin Sinescu, Carmen Todea, Oana Pop, Virgil-Florin Duma, Florin Topala, Mihai Rominu, Meda Lavinia Negrutiu, Adrian Bradu, Adrian Podoleanu

Proceedings Volume 10831, 108310P (2018) https://doi.org/10.1117/12.2282650

KEYWORDS: Optical coherence tomography, Adhesives, Teeth, Medicine, Surface finishing, Tissues, Natural surfaces, Tungsten, Diamond, Pharmacy

Read Abstract +

Orthodontic treatments imply the use of different types of adhesives and brackets. However, concerns have been raised regarding the effect of these treatments on the structure of the involved teeth. The debonding process is especially regarded as a concern: due to the use of different pliers tensile and pulling forces the develop on the surface of the tooth. The finishing bur is also a concern. Optical Coherence Tomography (OCT), an emerging technology that performs transverse sections of biological systems has been used in order to obtain a more accurate assessment of enamel quality due to its wide applicability and to its non-invasive properties.OCT, analogous to ultrasound imaging(with the difference that it uses light instead of sound), provides cross-sectional images of the tissue structure on the micron scale, in vivo and in real time. Regarding fixed orthodontic treatments, patients are often subjected in the process to a high risk of enamel decalcification and carious processes. Demineralization usually occurs in the area adjacent to the orthodontic bracket location, where bacterial plaque control is difficult. Therefore, in this study we evaluate using OCT the degree of demineralisation produced in the enamel structure, following the removal of the orthodontic bracket. Also, the amount of adhesive remnants after the removal of the adhesive and the finishing of the dental surface with specific instrumentation is evaluated.

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