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Evaluation of physical and mechanical properties of bulk-fill restorative materials

Grant number: 17/04348-2
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): November 01, 2017
Effective date (End): February 28, 2019
Field of knowledge:Health Sciences - Dentistry - Dental Clinics
Principal Investigator:Marcelo Giannini
Grantee:Beatriz Curvello de Mendonça
Host Institution: Faculdade de Odontologia de Piracicaba (FOP). Universidade Estadual de Campinas (UNICAMP). Piracicaba , SP, Brazil


The objective of this study was to evaluate restorative systems according to the: (1) polymerization stress resulted from the shrinkage of the restorative material during its light-activation, (2) bond strength (RU) to the dentin by the microtensile test, (3) internal adaptation of the material in class I cavities (4) microhardness at different depths from the occlusal surface in class I cavities and (5) biaxial flexural strength and modulus of restorative materials. These restorative systems comprise the restorative material and its corresponding adhesive system, following five resin-based materials called low-shrikage and indicated for single increment application (Tetric EvoCeram Bulk Fill/Ivoclar Vivadent; Opus Bulk Fill/FGM, Fill-Up!/Coltene, Equia Forte Fill/GC Corp. and Activa BioActive Restorative/Pulpdent) and a traditional composite resin that is used with incremental placement (Filtek Z350 XT/3M ESPE) (control group). Specimens will be prepared according to each methodology and for the bond strength test, the specimens will be evaluated after 1 week and 1 year of storage. The results will be tabulated and submitted to statistical analysis for the comparison of the results between the experimental groups. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DE MENDONCA, BEATRIZ CURVELLO; SOTO-MONTERO, JORGE RODRIGO; DE CASTRO, EDUARDO FERNANDES; KURY, MATHEUS; CAVALLI, VANESSA; RUEGGEBERG, FREDERICK ALLEN; GIANNINI, MARCELO. Effect of extended light activation and increment thickness on physical properties of conventional and bulk-filled resin-based composites. CLINICAL ORAL INVESTIGATIONS, . (17/04348-2)
DE MENDONCA, BEATRIZ CURVELLO; SOTO-MONTERO, JORGE RODRIGO; DE CASTRO, EDUARDO FERNANDES; PECORARI, VANESSA GALLEGO ARIAS; RUEGGEBERG, FREDERICK ALLEN; GIANNINI, MARCELO. Flexural strength and microhardness of bulk-fill restorative materials. Journal of Esthetic and Restorative Dentistry, . (17/04348-2)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
MENDONÇA, Beatriz Curvello de. Evaluation of physical properties of bulk-fill restorative materials. 2019. Master's Dissertation - Universidade Estadual de Campinas (UNICAMP). Faculdade de Odontologia de Piracicaba Piracicaba, SP.

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