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Evaluation of radiopacity, flow, setting time, pH, compression and bond strenght of a calcium silicate based cement.

Grant number: 12/19721-7
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): March 01, 2013
Effective date (End): December 31, 2013
Field of knowledge:Health Sciences - Dentistry - Endodontics
Principal researcher:Mario Tanomaru Filho
Grantee:Camila Telles Lucas Nogueira
Home Institution: Faculdade de Odontologia (FOAr). Universidade Estadual Paulista (UNESP). Campus de Araraquara. Araraquara , SP, Brazil

Abstract

Materials derived from Mineral Trioxide Aggregate (MTA) and calcium silicate have been developed. The aim of this study is to evaluate the radiopacity, flow, setting time, pH, compression and bond strenght of a new cement based on calcium silicate named Biodentine. It will be study the following materials: 1) White MTA-Angelus (MTA), 2) Biodentine (BDE), 3) Zinc Oxide and Eugenol (ZOE). To test of radiopacity it will be used radiographs with aluminum scale. The test of flow will be based on ISO 6876, ranging in shape analysis. To determine the setting time pattern a Gilmore needle will be used. The masurement of pH will be conducted by means of a digital pH meter. In the compression test a mechanical testing machine will be used. To evaluate the bond strenght, the specimens will be tested in a mechanical testing machine using a push-out load cell to 5 kN, and speed of 1 mm / min. The data will be statistically analyzed by ANOVA test and Tukey, with a significance level of p <0.05.

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