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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/125456
Title: 
Longitudinal study on skeletal changes during and after bionator therapy using metallic implants
Author(s): 
Institution: 
  • Universidade Estadual Paulista (UNESP)
  • Saint Louis University
ISSN: 
1677-3217
Abstract: 
Aim: To demonstrate the magnitude and direction of skeletal changes in the maxilla and mandible during and after the use of bionator, as well as their rotations. Methods: Partial superimposition on the maxilla and mandible on the metallic implants and total superimposition on the cranial base were performed at three periods, T1 before bionator therapy, T2 after bionator therapy, and T3 5.68 years after T2. Results: There was total clockwise maxillary rotation and counterclockwise mandibular rotation, in the North American technique, throughout the study period, as well as extensive remodeling on the condylar region, especially in vertical direction and on the gonial region in horizontal direction. Conclusions: The total maxillary rotation seemed to be significantly affected by therapy than the mandible. There was a clear change in the direction of condylar remodeling compared to the period of bionator therapy and posterior bionator therapy. Considering the entire study period, it was observed that intra-matrix rotation of the maxilla and mandible masked their total rotation, causing minimum changes in the matrix rotation.
Issue Date: 
2010
Citation: 
Brazilian Journal of Oral Sciences, v. 9, n. 1, p. 33-38, 2010.
Time Duration: 
33-38
Keywords: 
  • Angle’s class II malocclusion
  • Activator appliances
  • Maxillofacial development
Source: 
http://w2.fop.unicamp.br/brjorals/contents9_1.htm
URI: 
Access Rights: 
Acesso aberto
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/125456
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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