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Research Paper | Dental Science | Bulgaria | Volume 9 Issue 10, October 2020
Temperature Related Physical Changes of Different Materials for Fabrication of Patterns for Casting from Dental Alloys
Preslav Penchev
Abstract: Introduction: In contemporary dentistry there are a variety of materials which are used for fabrication of patterns that are invested and used as a pattern of the final restoration. Despite the ceaseless introduction of new materials, there is still less information about their physical changes during the process of thermal elimination. Materials and Methods: Four identical samples are prepared from the materials as follows: Pattern resin LC® (GC™), C-cast® (KaVo™ Dental), CAD/CAM wax (Yeti Dental™) and Castable Resin® FLCABL02 (Formlabs™). The samples are heated in furnace staring from 25℃ to 1050℃ and their main temperature related physical and volumetric changes are examined at every rise of temperature by 50℃. Results: When the CAD/CAM wax is heated, it starts melting before any visible volumetric changes of the sample are presented. The rest of the examined materials, as predominantly resin-based materials, start expanding at a specific temperature and after a further temperature rising, they start melting and burning afterwards or just burning rapidly. Conclusion: The main protocols of investing and casting should be modified in accordance to the thermal related physical and volumetric characteristics of the materials used for pattern fabrication.
Keywords: prosthetic dentistry, dental materials, 3D-printing, temperature related changes, pattern fabrication
Edition: Volume 9 Issue 10, October 2020,
Pages: 1466 - 1471
How to Cite this Article?
Preslav Penchev, "Temperature Related Physical Changes of Different Materials for Fabrication of Patterns for Casting from Dental Alloys", International Journal of Science and Research (IJSR), https://www.ijsr.net/get_abstract.php?paper_id=SR201024131835, Volume 9 Issue 10, October 2020, 1466 - 1471
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