Maxillary dentoskeletal outcomes of the expander with the differential opening and the fan-type expander: a randomized clinical trial (2020)
- Authors:
- USP affiliated authors: JANSON, GUILHERME DOS REIS PEREIRA - FOB ; LAURIS, JOSÉ ROBERTO PEREIRA - FOB ; CARREIRA, DANIELA GAMBA GARIB - FOB
- Unidade: FOB
- Subjects: ENSAIO CLÍNICO CONTROLADO RANDOMIZADO; TOMOGRAFIA; EXPANSOR
- Agências de fomento:
- Language: Inglês
- Abstract: Autodeclarado "Patente referente ao expansor com abertura diferencial no nome da autora Daniela Gamba Garib (PI 1101050-9, Instituto nacional de patente e indústria-Brasil)." The aim of this randomized clinical trial was to compare the maxillary expander with differential opening (EDO) and the fan-type expander (FE) in the mixed dentition by means of cone-beam computed tomography (CBCT) three-dimensional models superimposed on the cranial base. Forty-eight patients with maxillary dental arch constriction were randomly allocated into 2 study groups. Group EDO was composed of 24 patients (mean age of 7.62 years) treated with the EDO. Group FE comprised 24 patients (mean age of 7.83 years) treated with the FE. CBCT scans were acquired before and after rapid maxillary expansion. Three-dimensional dentoskeletal changes were assessed after cranial base superimposition using the software ITK-SNAP and 3D Slicer. T or Mann-Whitney U tests with Holm-Bonferroni correction were used for intergroup comparisons (P<0.05). Maxillary lateral displacements were greater in the EDO group, while the vertical and anteroposterior changes were similar in both groups. The increase in the intercanine distance and the canine buccal inclination were slightly greater in the FE group, while the intermolar changes and the molar buccal inclination were greater in the EDO group. The expander with differential opening (EDO) produced a greater transversal skeletal expansion compared to the fan-type expander (FE), with similar vertical and anteroposterior effects. Dental changes were greater in the molar region for patients treated with EDO and in the canine region for patients treated with FE.
- Imprenta:
- Source:
- Título do periódico: Brazilian Oral Research
- Volume/Número/Paginação/Ano: 1807-3107
- Conference titles: Sociedade Brasileira de Pesquisa Odontológica - SBPqO - Virtual Annual Meeting
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ABNT
MASSARO, C. et al. Maxillary dentoskeletal outcomes of the expander with the differential opening and the fan-type expander: a randomized clinical trial. Brazilian Oral Research. São Paulo: Faculdade de Odontologia de Bauru, Universidade de São Paulo. . Acesso em: 19 abr. 2024. , 2020 -
APA
Massaro, C., Ruellas, A. C. O., Cevidanes, L. H. S., Yatabe, M. S., Janson, G., Miranda, F., et al. (2020). Maxillary dentoskeletal outcomes of the expander with the differential opening and the fan-type expander: a randomized clinical trial. Brazilian Oral Research. São Paulo: Faculdade de Odontologia de Bauru, Universidade de São Paulo. -
NLM
Massaro C, Ruellas ACO, Cevidanes LHS, Yatabe MS, Janson G, Miranda F, Lauris JRP, Garib DG. Maxillary dentoskeletal outcomes of the expander with the differential opening and the fan-type expander: a randomized clinical trial. Brazilian Oral Research. 2020 ;[citado 2024 abr. 19 ] -
Vancouver
Massaro C, Ruellas ACO, Cevidanes LHS, Yatabe MS, Janson G, Miranda F, Lauris JRP, Garib DG. Maxillary dentoskeletal outcomes of the expander with the differential opening and the fan-type expander: a randomized clinical trial. Brazilian Oral Research. 2020 ;[citado 2024 abr. 19 ] - Influence of orthodontic treatment, midline position, buccal corridor and smile arc on smile attractiveness
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