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Influence of endodontic access type on anterior teeth fragility

Grant number: 19/21412-1
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): January 01, 2020
Effective date (End): June 30, 2021
Field of knowledge:Health Sciences - Dentistry - Dental Materials
Principal Investigator:Alexandre Luiz Souto Borges
Grantee:Marcelle Simões Coelho
Host Institution: Instituto de Ciência e Tecnologia (ICT). Universidade Estadual Paulista (UNESP). Campus de São José dos Campos. São José dos Campos , SP, Brazil


The objective of this work will be to evaluate the effect of endodontic access type on the deflection resistance of the maxillary central incisor tooth. Therefore, the finite element analysis (FEA) will be performed in a 3D model of an upper central incisor simulating a control group (without endodontic access), a conservative access group (ECC), a traditional access group (TEC), and an invasive access group (IEC), and a force of 250N of 45º 2 mm will be applied below the incisal edge on the palatal surface of the tooth simulating masticatory force. Another test will be performed in vitro (Strain gauge) with the same groups on 40 human teeth (n = 10). For objective measurement of the amount of material worn in each species, through the types of access, volumetric acquisitions will be made by cone beam computed tomography (CBCT) of each tooth belonging to the study at 02 different times: at baseline (without any wear) and after the access made. (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)
ABU HASNA, AMJAD; ALVES PINTO, ALANA BARBOSA; COELHO, MARCELLE SIMOES; DE ANDRADE, GUILHERME SCHMITT; TRIBST, JOAO PAULO MENDES; PEREIRA DE CASTRO LOPES, SERGIO LUCIO; TALGE CARVALHO, CLAUDIO ANTONIO; SOUTO BORGES, ALEXANDRE LUIZ. Fracture resistance and biomechanical behavior of different access cavities of maxillary central incisors restored with different composite resins. CLINICAL ORAL INVESTIGATIONS, v. 26, n. 10, p. 9-pg., . (19/21412-1)

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