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Validation of dentomaxillofacial measurements using multislice 3D-CT

Grant number: 05/02157-8
Support Opportunities:Regular Research Grants
Duration: February 01, 2006 - March 31, 2008
Field of knowledge:Health Sciences - Dentistry - Dental Radiology
Principal Investigator:Marcelo de Gusmão Paraíso Cavalcanti
Grantee:Marcelo de Gusmão Paraíso Cavalcanti
Host Institution: Faculdade de Odontologia (FO). Universidade de São Paulo (USP). São Paulo , SP, Brazil


This research project objectives the assessment of the precision and accuracy of the linear and angular dentomaxillofacial measurements in threes-dimensional reconstructed volume rendered images using a multislice computed tomography. The material of the research will be consisted of 30 (thirty) dry skulls, previously selected, without distinction of ethnic group and sex, belong to Medical School of São Paulo, which will be submitted to a multislice CT 64 slices by 0. 4 seconds (Aquilion Toshiba) in the Heart Institute of The College of the Medicine of USP, and subsequently will be sent to an independent workstation with Vitrea software. The Department of Morphology of UNIFESP already let available the dry skulls for that purpose. Conventional craniofacial points will be localized and linear and angular measurements will be obtained by 02 observers, twice each, independently. The data analysis will be carried out, regarding to inter and intra observer and between all the measurements in 3D-CT and the physical measurements from the dry skull, using ANOVA (analysis of variance). This will allow testing the accuracy and precision of those craniofacial measurements using 3D volume rendering technique by Multilsice (64 slices) CT. (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)
GAIA, BRUNO FELIPE; OLIVEIRA DE SALES, MARCELO AUGUSTO; PERRELLA, ANDREIA; FENYO-PEREIRA, MARLENE; PARAISO CAVALCANTI, MARCELO GUSMAO. Comparison between cone-beam and multislice computed tomography for identification of simulated bone lesions. Brazilian Oral Research, v. 25, n. 4, p. 362-368, . (05/02157-8)
MOREIRA, CARLA R.; SALES, MARCELO A. O.; LOPES, PATRICIA M. L.; CAVALCANTI, MARCELO G. P.. Assessment of linear and angular measurements on three-dimensional cone-beam computed tomographic images. Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontology, v. 108, n. 3, p. 430-436, . (05/02157-8)

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