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Evaluation of the dental arch in children with cleft lip and palate by means 3D digital models

Grant number: 13/21577-4
Support Opportunities:Scholarships abroad - Research Internship - Master's degree
Effective date (Start): January 10, 2014
Effective date (End): April 09, 2014
Field of knowledge:Health Sciences - Dentistry - Pediatric Dentistry
Principal Investigator:Thais Marchini de Oliveira Valarelli
Grantee:Paula Karine Jorge
Supervisor: Wanda Maria Gnoinski
Host Institution: Hospital de Reabilitação de Anomalias Craniofaciais (HRAC). Universidade de São Paulo (USP). Bauru , SP, Brazil
Research place: University of Zurich (UZH), Switzerland  
Associated to the scholarship:12/14654-0 - Evaluation of the dental arch in children with cleft lip and palate by means 3D digital models, BP.MS


The purpose of this present study is a longitudinal evaluation of dimensional alteration of dental arches by means of 3D digital models in patients with unilateral cleft lip and palate after primary surgery. The sample will be composed of 100 digital models of 50 patients with complete unilateral cleft lip and palate. The models will be scanned through a 3D Scanner. Dental arches measurements (3Shape's R700TM Scanner, Copenhagen K Denmark) will be performed directly on the scanned images by means of a specific software, (3D Software OrthoAnalyzerTM, Copenhagen K Denmark) for the correlation within the studied periods: cleft width, antero-posterior extent of the dental arches, intercanines distance and tuberosities distance. After collection, the data will be described by means of graphs and tables. For the analysis of the intra-examiner error, paired t test will be used with level of significance set at 5%. The casual error will be determined by the Dahlberg's formula. The results were submitted to t test and ANOVA followed by Tukey test. If necessary, other tests may be applied. The significance level of 5% will be adopted for the differences considered statistically significant. (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)
JORGE, PAULA KARINE; GNOINSKI, WANDA; LASKOS, KARINE VAZ; CARVALHO CARRARA, CLEIDE FELICIO; GARIB, DANIELA GAMBA; OZAWA, TERUMI OKADA; ANDRADE MOREIRA MACHADO, MARIA APARECIDA; VALARELLI, FABRICIO PINELLI; OLIVEIRA, THAIS MARCHINI. Comparison of two treatment protocols in children with unilateral complete cleft lip and palate: Tridimensional evaluation of the maxillary dental arch. JOURNAL OF CRANIO-MAXILLOFACIAL SURGERY, v. 44, n. 9, p. 1117-1122, . (12/14654-0, 13/21577-4, 13/13232-7, 10/00868-2)

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