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Previous issue date: 2018-03-07 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES / This retrospective study aims to evaluate the morphological changes produced after
and surgically assisted maxillary rapid expansion (ERMAC). A three-dimensional
evaluation was performed with CBT and scanning of the intraoral and gingival
models at the preoperative (T0) and postoperative (T1 and T2) moments in order to
evaluate linear and angular movements with bone and dental changes underlying.
The possible morphological alterations of the related structures were evaluated:
nasopharynx volume, oropharynx volume in relation to ERMAC. The sample
consisted of 15 individuals (8 males and 7 females aged 19 to 54 years) submitted to
MRS. In general, ERMAC produced a significant increase in all linear distances of
the maxilla. There was a greater expansion of the maxilla in the anterior region than
in the posterior one. The ERMAC produced a significant increase of the skeletal
dimensions of the maxilla in the transversal direction. In the airways, there was a
significant increase in all patients and the greatest effects of ERMAC occurred at the
dental level, with the buccal inclination of the first molars and the upper premolars
being observed. / Objetiva-se com este estudo retrospectivo avaliar as altera??es morfol?gicas produzidas ap?s e expans?o r?pida maxilar assistida cirurgicamente (ERMAC). Realizou-se uma avalia??o tridimensional com TCCB e escaneamento dos modelos de gesso e dos dentes intraoral no momento pr?-operat?rio (T0) e p?s-operat?rio
(T1 e T2) a fim de avaliar os movimentos lineares e angulares com as altera??es ?sseas e dent?rias subjacentes. Avaliou - se as poss?veis altera??es morfol?gicas das estruturas correlatas: volume da nasofaringe, volume da orofaringe com rela??o a ERMAC. A amostra constituiu-se de 15 indiv?duos (8 homens e 7 mulheres com idades entre 19 e 54 anos) submetidos a ERMAC. De modo geral, a ERMAC
produziu aumento significativo de todas as dist?ncias lineares da maxila. Houve maior expans?o da maxila na regi?o anterior do que na posterior. A ERMAC produziu aumento significativo das dimens?es esquel?ticas da maxila no sentido transversal. Nas vias a?reas houve aumento significativo em todos os pacientes e os
maiores efeitos da ERMAC ocorreram no n?vel dent?rio, sendo observada a inclina??o vestibular dos primeiros molares e nos pr?-molares superiores.
| Identifer | oai:union.ndltd.org:IBICT/oai:tede2.pucrs.br:tede/8349 |
| Date | 07 March 2018 |
| Creators | Favoreto, Andr? Xavier Padilha |
| Contributors | Oliveira, Rog?rio Belle |
| Publisher | Pontif?cia Universidade Cat?lica do Rio Grande do Sul, Programa de P?s-Gradua??o em Odontologia, PUCRS, Brasil, Escola de Ci?ncias da Sa?de |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | English |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/masterThesis |
| Format | application/pdf |
| Source | reponame:Biblioteca Digital de Teses e Dissertações da PUC_RS, instname:Pontifícia Universidade Católica do Rio Grande do Sul, instacron:PUC_RS |
| Rights | info:eu-repo/semantics/openAccess |
| Relation | -7411869720500764667, 500, 600, 3590462550136975366 |
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