Investigation of thermal stresses in dental restoration by mathematical method
Heat changes cause thermal stresses in the restorations made of different materials. These stresses can become high in the vicinity of the contacts between different materials. The aforesaid thermal stresses can add up with stresses caused by mechanical loads, they can cause cracks in the dental str...
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| Veröffentlicht in: | Journal of the European Ceramic Society 2007, Vol.27 (2), p.899-902 |
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| container_title | Journal of the European Ceramic Society |
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| creator | Haskan, Huseyin Boyraz, Tahsin Kilicarslan, Mehmet Ali |
| description | Heat changes cause thermal stresses in the restorations made of different materials. These stresses can become high in the vicinity of the contacts between different materials. The aforesaid thermal stresses can add up with stresses caused by mechanical loads, they can cause cracks in the dental structures and thus can lead much shorter life-span during use. The purpose of this research is the mathematical determination of the thermal stresses in the structure due to variable temperatures inside the mouth for the metal-supported porcelain restorations. It has been found that as the temperature increases, stress values increase at a fixed distance. The stress values in the ceramic and dentin regions reach higher magnitudes than those in metal and cement layers. At 55
°C, the stress value in the ceramic layer was calculated as 67.37
MPa. It has been concluded that there is a linear relationship between stress rising rate and temperature. |
| doi_str_mv | 10.1016/j.jeurceramsoc.2006.04.060 |
| format | Article |
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°C, the stress value in the ceramic layer was calculated as 67.37
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°C, the stress value in the ceramic layer was calculated as 67.37
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| subjects | Applied sciences Biological and medical sciences Building materials. Ceramics. Glasses Ceramic industries Chemical industry and chemicals Dental restorations Exact sciences and technology Medical sciences Miscellaneous Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) Technical ceramics Technology. Biomaterials. Equipments. Material. Instrumentation |
| title | Investigation of thermal stresses in dental restoration by mathematical method |
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