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Antimicrobial effect promoted by rotatory systems in flattened root canals with and ultrasonic irrigation

Grant number: 11/18479-5
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): November 01, 2011
Effective date (End): October 31, 2012
Field of knowledge:Health Sciences - Dentistry - Endodontics
Principal Investigator:Flaviana Bombarda de Andrade
Grantee:Layla Reginna Silva Munhoz de Vasconcelos
Host Institution: Faculdade de Odontologia de Bauru (FOB). Universidade de São Paulo (USP). Bauru , SP, Brazil

Abstract

Rotary systems accelerate and facilitate biomechanical preparation, whose main objective, apart from shaping, is the antisepsis of root canals. The purpose of this study is to assess the ability to decontaminate the root canal by means of microbiological culture, comparing the BioRace and ProTaper Rotary systems with or without ultrasonic irrigation. 46 extracted humans’ incisors will be sterilized in an autoclave and then infected with Enterococcus faecalis. After contamination, the biomecanical preparation will be performed with two Rotary systems with and without the use of ultrassonic irrigation with saline. Following, root canal microbiological samples will be conducted with sterile absorbent paper points, which will be diluted and spread on agar plates for colony counts of surviving bacteria. Therefore the rotary systems will be tested and compared to the best ability to clean the canals of extracted teeth.(AU)

News published in Agência FAPESP Newsletter about the scholarship:
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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)
SILVA MUNHOZ DE VASCONCELOS, LAYLA REGINNA; MIDENA, RAQUEL ZANIN; MINOTTI, PALOMA GAGLIARDI; PEREIRA, THAIS CRISTINA; HUNGARO DUARTE, MARCO ANTONIO; DE ANDRADE, FLAVIANA BOMBARDA. Effect of ultrasound streaming on the disinfection of flattened root canals prepared by rotary and reciprocating systems. Journal of Applied Oral Science, v. 25, n. 5, p. 477-482, . (10/20186-3, 11/18479-5)
SILVA MUNHOZ DE VASCONCELOS, LAYLA REGINNA; MIDENA, RAQUEL ZANIN; MINOTTI, PALOMA GAGLIARDI; PEREIRA, THAIS CRISTINA; HUNGARO DUARTE, MARCO ANTONIO; DE ANDRADE, FLAVIANA BOMBARDA. Effect of ultrasound streaming on the disinfection of flattened root canals prepared by rotary and reciprocating systems. Journal of Applied Oral Science, v. 25, n. 5, p. 6-pg., . (10/20186-3, 11/18479-5)

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