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Influence of the incorporation of natural disinfectants agents into type IV dental stone: analyse of the physical and mechanical properties

Grant number: 10/19509-2
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): June 01, 2011
Effective date (End): May 31, 2012
Field of knowledge:Health Sciences - Dentistry - Dental Materials
Principal Investigator:João Neudenir Arioli Filho
Grantee:Fabiana Mayumi Onishi
Home Institution: Faculdade de Odontologia (FOAr). Universidade Estadual Paulista (UNESP). Campus de Araraquara. Araraquara , SP, Brazil


Many protocols for disinfection can be used to avoid cross-contamination between dental office and dental laboratory. The inclusion of antimicrobial agent to the composition of gypsum or its manipulation with disinfectant substances can be used to this aim. The purpose of this study will be analyse the evaluate the alterations in physical and mechanical propertiesof the natural disinfectants agents incorporated into type IV dental stone (FujiRock EP, GC Europe, Leuven, Belgium.). For evaluate the dental gypsum properties will be realize tests for setting time, reproduction details, setting expansion and compressive tensile, and the morphological alterations will be analyse in a scanning electron microscope. (AU)