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Proceedings Paper

Evaluation of metal-polymeric fixed partial prosthesis using optical coherence tomography
Author(s): C. Sinescu; M. L. Negrutiu; V. F. Duma; C. Marcauteanu; F. I. Topala; M. Rominu; A. Bradu; A. Gh. Podoleanu
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Paper Abstract

Metal-Polymeric fixed partial prosthesis is the usual prosthetic treatment for many dental patients. However, during the mastication the polymeric component of the prosthesis is fractured and will be lost. This fracture is caused by the material defects or by the fracture lines trapped inside the esthetic components of the prosthesis. This will finally lead to the failure of the prosthetic treatment. Nowadays, there is no method of identification and forecast for the materials defects of the polymeric materials. The aim of this paper is to demonstrate the capability of Optical Coherence Tomography (OCT) as a non-invasive clinical method that can be used for the evaluation of metal-polymeric fixed partial prostheses. Twenty metal-polymeric fixed partial prostheses were used for this study. The esthetic component of the prostheses has been Adoro (Ivoclar). Optical investigations of the metal prostheses have revealed no material defects or fracture lines. All the prostheses were temporary cemented in the oral cavities of the patients for six month. The non-invasive method used for the investigations was OCT working in Time Domain mode at 1300 nm. The evaluations of the prostheses were performed before and after their cementation in the patient mouths. All the imagistic results were performed in 2D and than in 3D, after the reconstruction. The results obtained after the OCT evaluation allowed for the identification of 4 metal-polymeric fixed partial prostheses with material defects immediately after finishing the technological procedures. After 6 month in the oral environment other 3 fixed partial prostheses revealed fracture lines. In conclusion, OCT proved to be a valuable tool for the noninvasive evaluation of the metal-polymeric fixed partial prostheses.

Paper Details

Date Published: 18 November 2013
PDF: 6 pages
Proc. SPIE 8785, 8th Iberoamerican Optics Meeting and 11th Latin American Meeting on Optics, Lasers, and Applications, 8785EH (18 November 2013); doi: 10.1117/12.2027502
Show Author Affiliations
C. Sinescu, Univ. of Medicine and Pharmacy Victor Babes Timisoara (Romania)
M. L. Negrutiu, Univ. of Medicine and Pharmacy Victor Babes Timisoara (Romania)
V. F. Duma, Aurel Vlaicu Univ. of Arad (Romania)
C. Marcauteanu, Univ. of Medicine and Pharmacy Victor Babes Timisoara (Romania)
F. I. Topala, Univ. of Medicine and Pharmacy Victor Babes Timisoara (Romania)
M. Rominu, Univ. of Medicine and Pharmacy Victor Babes Timisoara (Romania)
A. Bradu, Univ. of Kent (United Kingdom)
A. Gh. Podoleanu, Univ. of Kent (United Kingdom)


Published in SPIE Proceedings Vol. 8785:
8th Iberoamerican Optics Meeting and 11th Latin American Meeting on Optics, Lasers, and Applications
Manuel Filipe P. C. Martins Costa, Editor(s)

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