Title: Microscopic studies regarding the causes of micro-fractures in an aesthetic dental bridge

Authors: Anamaria Bechir; Raluca Monica Comaneanu; Oana Smatrea; Doina Lucia Ghergic; Mihai Tarcolea; Florin Miculescu

Addresses: Department of Dental Materials, Faculty of Medicine and Dental Medicine, 'Titu Maiorescu' University, Bucharest, 67A Gheorghe Petrascu, 031593, Romania. ' Department of Dental Materials, Faculty of Medicine and Dental Medicine, 'Titu Maiorescu' University, Bucharest, 67A Gheorghe Petrascu, 031593, Romania. ' Department of Dental Materials, Faculty of Medicine and Dental Medicine, 'Titu Maiorescu' University, Bucharest, 67A Gheorghe Petrascu, 031593, Romania. ' Department of Dental Materials, Faculty of Medicine and Dental Medicine, 'Titu Maiorescu' University, Bucharest, 67A Gheorghe Petrascu, 031593, Romania. ' Department of Material Science and Physical Metallurgy, Material Science and Engineering Faculty, University 'Politehnica' of Bucharest, 313 Splaiul Independentei, 060042, Romania. ' Department of Material Science and Physical Metallurgy, Material Science and Engineering Faculty, University 'Politehnica' of Bucharest, 313 Splaiul Independentei, 060042, Romania

Abstract: The currently available CAD/CAM technologies present various clinical benefits that include aesthetics, durability, marginal adaptation and precision. The clinical and laboratory procedures associated with these CAD/CAM systems differ, and practitioners must understand and follow the indications in producing these types of restorations. Presented here are the results of SEM examination in a partial fissured aesthetic dental bridge. We performed SEM examination of a dental bridge, realised from ceramic layers deposited on zirconia substrate, to detect their structural defects and to find out the causes of these defects.

Keywords: anterior dental restoration; CADCAM technology; zirconia; ceramic layers; SEM examination; anterior teeth; partial fissured dental bridges; aesthetic dental bridges; dentistry; structural defects; microfractures; dental bridge fracture.

DOI: 10.1504/IJNBM.2011.045887

International Journal of Nano and Biomaterials, 2011 Vol.3 No.4, pp.382 - 391

Available online: 14 Mar 2012 *

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