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3D longitudinal evaluation of dental arch in patients with unilateral cleft lip and palate

Grant number: 15/15586-6
Support type:Scholarships in Brazil - Master
Effective date (Start): October 01, 2015
Effective date (End): April 30, 2017
Field of knowledge:Health Sciences - Dentistry - Pediatric Dentistry
Principal researcher:Thais Marchini de Oliveira Valarelli
Grantee:Eloá Cristina Passucci Ambrosio
Home Institution: Faculdade de Odontologia de Bauru (FOB). Universidade de São Paulo (USP). Bauru , SP, Brazil
Associated scholarship(s):16/07631-4 - 3D longitudinal evaluation of dental arch in patients with unilateral cleft lip and palate, BE.EP.MS

Abstract

This study aimed to evaluate longitudinally the dental arch dimensions in patients with cleft lip/palate before and after primary surgeries. The sample wil be consisted of 100 digital models of patients with unilateral complete cleft lip (Group 1) and unilateral complete cleft lip and palate (Group 2), obtained at the phase before lip repair (Phase 1), before palate repair (Phase 2) and at 1 year after palate repair (Phase 3). The measure of dental arch will be obtained of the dental models and digitized using a Scanner 3Shape's R700TM and Software Appliance Designer. The following measures will be obtained: area of the dental arch, intercanine distance, intertuberosity distance, anterior-posterior arch depth and total arch depth. The assessment will be carried out by one calibrated investigator. Student's t-test and Dahlberg's formula will be used to determine the casual error. Student's t-test and analysis of variance will be used to determine the significance of differences between groups within the same assay. If necessary, other tests may be applied. The significance level of 5% will be adopted for the differences considered statistically significant.

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