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Chemical and structural characterization of high-plasticity reparative cements

Grant number: 18/06515-6
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): August 01, 2018
Effective date (End): August 31, 2019
Field of knowledge:Health Sciences - Dentistry - Endodontics
Principal researcher:Marina Angélica Marciano da Silva
Grantee:Gabriela Fernanda Bombarda
Home Institution: Faculdade de Odontologia de Piracicaba (FOP). Universidade Estadual de Campinas (UNICAMP). Piracicaba , SP, Brazil
Associated scholarship(s):18/16722-9 - Diffraction patterns of high-plasticity reparative cements, BE.EP.IC

Abstract

The aim of the study is to evaluate the structural and chemical properties of high plasticity tricalcium silicate cements on the market (HP MTA, Biodentine and MTA Flow) and propose the development of a new high flow cement composed of tricalcium silicate, dicalcium silicate, bismuth oxide, zinc oxide and, in its liquid, distilled water and water-soluble polymer. The hydrated and non-hydrated cements will be analyzed. The characterization will be performed by scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS) and X-ray diffractometer (XRD). The proposed cement will be evaluated, compared to the other cements, in relation to its properties, in which analyzes of the chemical composition of the cements in SEM, EDS and XRD will be made. The phase analysis of the chemical elements of the hydrated and non-hydrated cements will be performed in X-ray diffractometer (XRD). For the analysis of the non-hydrated cements, the powders of the cements will be placed directly in the base of reading of the equipment and compacted. The diffractometer (Rigaku, Tokyo, Japan) will use Cu K ± radiation at 40 mA and 45 kV. The results will be submitted to the normal D'Agostino and Pearson test (p <0.05) for the selection of the appropriate statistical test. (AU)

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Scientific publications (4)
(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)
PELEPENKO, LAUTER E.; SAAVEDRA, FLAVIA; ANTUNES, THIAGO B. M.; BOMBARDA, GABRIELA F.; GOMES, BRENDA P. F. A.; ZAIA, ALEXANDRE A.; CAMILLERI, JOSETTE; MARCIANO, MARINA A.. Physicochemical, antimicrobial, and biological properties of White-MTAFlow. CLINICAL ORAL INVESTIGATIONS, v. 25, n. 2, . (18/06515-6, 18/06903-6, 17/05096-7)
LAUTER ESTON PELEPENKO; FLÁVIA SAAVEDRA; THIAGO BESSA MARCONATO ANTUNES; GABRIELA FERNANDA BOMBARDA; BRENDA PAULA FIGUEIREDO DE ALMEIDA GOMES; ALEXANDRE AUGUSTO ZAIA; MARINA ANGÉLICA MARCIANO. Investigation of a modified hydraulic calcium silicate-based material – Bio-C Pulpo. Brazilian Oral Research, v. 35, . (17/05096-7, 17/18413-0, 18/06515-6, 18/16722-9)
LAUTER ESTON PELEPENKO; FLÁVIA SAAVEDRA; GABRIELA FERNANDA BOMBARDA; BRENDA PAULA FIGUEIREDO DE ALMEIDA GOMES; ADRIANA DE-JESUS-SOARES; ALEXANDRE AUGUSTO ZAIA; MARCO ANTONIO HUNGARO DUARTE; MARIO TANOMARU-FILHO; MARINA ANGÉLICA MARCIANO. Dental discoloration caused by Grey-MTAFlow cement: analysis of its physicochemical, biological and antimicrobial properties. Journal of Applied Oral Science, v. 28, p. -, . (18/06903-6, 17/05096-7, 18/06515-6)
PELEPENKO, LAUTER ESTON; SAAVEDRA, FLAVIA; MARCONATO ANTUNES, THIAGO BESSA; BOMBARDA, GABRIELA FERNANDA; FIGUEIREDO DE ALMEIDA GOMES, BRENDA PAULA; ZAIA, ALEXANDRE AUGUSTO; MARCIANO, MARINA ANGELICA. Investigation of a modified hydraulic calcium silicate-based material - Bio-C Pulpo. Brazilian Oral Research, v. 35, . (17/05096-7, 17/18413-0, 18/06515-6, 18/16722-9)

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