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Comparison of two skeletally anchored maxillary protraction protocols: a randomized clinical trial

Grant number: 17/04141-9
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): September 01, 2018
Effective date (End): October 01, 2020
Field of knowledge:Health Sciences - Dentistry - Orthodontics
Principal researcher:Daniela Gamba Garib Carreira
Grantee:Felicia Miranda
Home Institution: Faculdade de Odontologia de Bauru (FOB). Universidade de São Paulo (USP). Bauru , SP, Brazil
Associated scholarship(s):19/03175-2 - Airway evaluation after miniscrew anchored maxillary protraction: a randomized clinical trial, BE.EP.DR

Abstract

The aim of this study is to compare the skeletal and dentoalveolar effects produced by two maxillary protraction protocols anchored on mini-implants. Material and methods: It will be a randomized clinical trial, with 2 groups, where 40 individuals of both sexes, ages ranging from 9 to 13 years old, with class III skeletal malocclusion and mandibular canines erupted will be selected. Group 1 will consist of 20 individuals treated with class III elastics anchored in a maxillary expander with dento-skeletal anchorage and in 2 mini-implants installed in the mesial of the lower canines. Group 2 will consist of 20 individuals treated with class III elastics anchored in a maxillary expander with tooth-borne anchorage and mandibular mini-implants. Dental models and X-rays in the beginning and end of treatment will be obtained. In addition, occlusal radiographs and partial (canine to canine) models will be obtained before and immediately after expansion. In the dental models the variables intercanine and intermolar distance, arch width, perimeter and length, molars and canine inclinations, overjet and overbite will be analyzed. Cephalometric measurements of the tegumentary profile, growth pattern, apical bases relationship, and incisors relationship will be evaluated. In the occlusal radiographs and dental models, the amount of expansion promoted by the two maxillary expansion protocols will be evaluated. The paired T test will be used in the intragroup comparison, while the independent T test will be used in the intergroup comparison. A significance level of 5% will be regarded for all tests. (AU)

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Scientific publications (4)
(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)
MIRANDA, FELICIA; GARIB, DANIELA; PUGLIESE, FERNANDO; DA CUNHA BASTOS, JOSE CARLOS; JANSON, GUILHERME; PALOMO, JUAN MARTIN. Upper airway changes in Class III patients using miniscrew-anchored maxillary protraction with hybrid and hyrax expanders: a randomized controlled trial. CLINICAL ORAL INVESTIGATIONS, v. 26, n. 1, p. 183-195, JAN 2022. Web of Science Citations: 0.
MIRANDA, FELICIA; BASTOS, JOSE CARLOS DA CUNHA; SANTOS, ALEXANDRE MAGNO DOS; JANSON, GUILHERME; LAURIS, JOSE ROBERTO PEREIRA; GARIB, DANIELA. Dentoskeletal comparison of miniscrew-anchored maxillary protraction with hybrid and conventional hyrax expanders: A randomized clinical trial. AMERICAN JOURNAL OF ORTHODONTICS AND DENTOFACIAL ORTHOPEDICS, v. 160, n. 6, p. 774-783, DEC 2021. Web of Science Citations: 0.
GARIB, DANIELA; MIRANDA, FELICIA; PALOMO, JUAN MARTIN; PUGLIESE, FERNANDO; DA CUNHA BASTOS, JOSE CARLOS; DOS SANTOS, ALEXANDRE MAGNO; JANSON, GUILHERME. Orthopedic outcomes of hybrid and conventional Hyrax expanders: Secondary data analysis from a randomized clinical trial. ANGLE ORTHODONTIST, v. 91, n. 2, p. 178-186, MAR 2021. Web of Science Citations: 0.
MIRANDA, FELICIA; DA CUNHA BASTOS, JOSE CARLOS; DOS SANTOS, ALEXANDRE MAGNO; VIEIRA, LUIZ SERGIO; ALIAGA-DEL CASTILLO, ARON; JANSON, GUILHERME; GARIB, DANIELA. Miniscrew-anchored maxillary protraction in growing Class III patients. JOURNAL OF ORTHODONTICS, v. 47, n. 2, p. 170-180, JUN 2020. Web of Science Citations: 0.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
MIRANDA, Felicia. Comparison of miniscrew-anchored maxillary protraction protocols: a randomized clinical trial. 2020. Doctoral Thesis - Universidade de São Paulo (USP). Faculdade de Odontologia de Bauru (FOB/SDB) Bauru.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.