Full text
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| Author(s): |
Fernanda Angelieri
Total Authors: 1
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| Document type: | Master's Dissertation |
| Press: | Bauru. , ilustrações, tabelas. |
| Institution: | Universidade de São Paulo (USP). Faculdade de Odontologia de Bauru (FOB/SDB) |
| Defense date: | 2002-02-01 |
| Examining board members: |
Renato Rodrigues de Almeida;
Arnaldo Pinzan;
Helio Scavone Junior
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| Advisor: | Renato Rodrigues de Almeida |
| Field of knowledge: | Health Sciences - Dentistry |
| Indexed in: | Banco de Dados Bibliográficos da USP-DEDALUS; Biblioteca Digital de Teses e Dissertações - USP |
| Location: | Universidade de São Paulo. Faculdade de Odontologia de Bauru. Serviço de Biblioteca e Documentação Prof. Dr. Antônio Gabriel Atta ; An43a |
| Abstract | |
The Pendulum appliance has been shown to be very effective in maxillary molar distalization for the Class II molar relationship correction. However, many side-effects were observed: upper premolars mesial tipping and mesial movement; lower anterior face height increase and considerable distal tipping of the first molars, turning molar distalization to be instable. The purpose of this study was to determine the correction of this side-effects in 23 patients (7 males and 16 females), with an initial mean age of 15 years and 1 month, treated with fixed orthodontic appliance associated with the Nance Button and the headgear appliance for night use. After the removal of the Pendulum appliance and at the refinement of the alignment/levelling (previous to the premolars retraction) cephalometric radiographs were obtained, in the mean period of 1 year. The resulted changes were determined by the Students t test, for paired data. The ANB angle decreased 0,52º and the lower anterior face height increased by 0,88mm. The upper incisors extruded 0,51mm. The first premolars uprighted 10,23º and distalized 2,86mm, spontaneously. The first molars extruded 0,73mm, mesialized 1,2mm and uprighted 7,63º. The primary conclusion was the correction of the main side-effects produced by Pendulum appliance on the fixed orthodontic appliance, contributing to the satisfactory finalization of the orthodontic treatment. (AU) | |