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3D longitudinal evaluation of the stability of the dental arches in cleft and non cleft patients before and after orthodontic treatment and prosthetic rehabilitation.

Grant number: 16/14942-6
Support type:Regular Research Grants
Duration: April 01, 2018 - March 31, 2020
Field of knowledge:Health Sciences - Dentistry - Dental Clinics
Principal researcher:Simone Soares
Grantee:Simone Soares
Home Institution: Faculdade de Odontologia de Bauru (FOB). Universidade de São Paulo (USP). Bauru , SP, Brazil
Assoc. researchers:Karin Hermana Neppelenbroek ; Thais Marchini de Oliveira Valarelli


The purpose of this project will assess the longitudinal tooth stability from the measurement of linear dimensions, area and volume of the dental arches in patients with cleft lip and palate. The sample will be composed in 180 digital models of patients with unilateral complete cleft lip and palate (n = 60, UCLP) and non cleft lip and palate patients (n = 30, NCLP), aged between 20 and 30 years, recorded in times: completion of orthodontic treatment (T1) and one year after prosthetic rehabilitation for patients with cleft, and one year after removal of orthodontic appliances for patients without cleft lip and palate (T2). Digital models will be divided into 3 groups: 20 UCLP models with fixed partial denture (FPD), 20 UCLP models with implant supported prosthesis (ISP) and 20 NCLP (NCLP). The dimensions of the dental arches of the measures will be carried out directly on the scanned images through the scanner 3Shape's R700TM and measured by VECTRA H1 System. The following dimensions will be obtained: intercanine distance, intermolar distance, anteroposterior length, area and volume of the dental arch. A calibrated and trained examiner will conduct the evaluations. The results will be subjected to appropriate analysis, considering the factors studied. P-values less than 0.05 will be considered statistically signicant. (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)
REZENDE PUCCIARELLI, MARIA GIULIA; DE LIMA TOYOSHIMA, GUILHERME HIDEKI; OLIVEIRA, THAIS MARCHINI; HONORIO, HEITOR MARQUES; SFORZA, CHIARELLA; SOARES, SIMONE. Assessment of dental arch stability after orthodontic treatment and oral rehabilitation in complete unilateral cleft lip and palate and non-clefts patients using 3D stereophotogrammetry. BMC ORAL HEALTH, v. 20, n. 1 MAY 27 2020. Web of Science Citations: 0.

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