Temperature variation in metal ceramic technology analyzed using time domain optical coherence tomography

Sinescu, C., Topala, F.I., Negrutiu, M.L., Duma, V.-F., Podoleanu, A.Gh. (2014) Temperature variation in metal ceramic technology analyzed using time domain optical coherence tomography. In: ARRAY(0x7f1293611b78), Timisoara. (doi:10.1117/12.2045848) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

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Abstract

The quality of dental prostheses is essential in providing good quality medical services. The metal ceramic technology applied in dentistry implies ceramic sintering inside the dental oven. Every ceramic material requires a special sintering chart which is recommended by the producer. For a regular dental technician it is very difficult to evaluate if the temperature inside the oven remains the same as it is programmed on the sintering chart. Also, maintaining the calibration in time is an issue for the practitioners. Metal ceramic crowns develop a very accurate pattern for the ceramic layers depending on the temperature variation inside the oven where they are processed. Different patterns were identified in the present study for the samples processed with a variation in temperature of +30°C to +50°C, respectively - 30°C to -50°C. The OCT imagistic evaluations performed for the normal samples present a uniform spread of the ceramic granulation inside the ceramic materials. For the samples sintered at a higher temperature an alternation between white and darker areas between the enamel and opaque layers appear. For the samples sintered at a lower temperature a decrease in the ceramic granulation from the enamel towards the opaque layer is concluded. The TD-OCT methods can therefore be used efficiently for the detection of the temperature variation due to the ceramic sintering inside the ceramic oven. © 2014 Copyright SPIE.

Item Type: Conference or workshop item (Proceeding)
DOI/Identification number: 10.1117/12.2045848
Additional information: Unmapped bibliographic data: C7 - 89250T [EPrints field already has value set] LA - English [Field not mapped to EPrints] J2 - Progr. Biomed. Opt. Imaging Proc. SPIE [Field not mapped to EPrints] AD - Faculty of Dentistry, Victor Babes Medicine and Pharmacy University of Timisoara, 2A Eftimie Murgu Place, 300070 Timisoara, Romania [Field not mapped to EPrints] AD - 3OM Optomechatronics Group, Aurel Vlaicu University of Arad, 77 Revolutiei Ave., Arad 310130, Romania [Field not mapped to EPrints] AD - Applied Optics Group, School of Physical Sciences, University of Kent, Canterbury, CT2 7NH, United Kingdom [Field not mapped to EPrints] DB - Scopus [Field not mapped to EPrints] A4 - Romanian Society for Lasers in Dentistry (SRLS) [Field not mapped to EPrints] C3 - Progress in Biomedical Optics and Imaging - Proceedings of SPIE [Field not mapped to EPrints]
Uncontrolled keywords: Biomedical imaging, dentistry, material study, metal ceramic crowns, temperature variation, thermal patterns, Time Domain Optical Coherence Tomography, Biotechnology, Ceramic materials, Dentistry, Enamels, Granulation, Medical imaging, Optical tomography, Ovens, Temperature distribution, Biomedical imaging, Ceramic crowns, Temperature variation, Thermal patterns, Time domain optical coherence tomography, Sintering
Subjects: Q Science > QC Physics
Q Science > QC Physics > QC355 Optics
Divisions: Faculties > Sciences > School of Physical Sciences > Applied Optics Group
Depositing User: Giles Tarver
Date Deposited: 10 Jul 2015 10:00 UTC
Last Modified: 29 May 2019 14:46 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/49281 (The current URI for this page, for reference purposes)
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