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Author(s): Eduardo Cardoso
Renata Cançado
Rociene Machado
Daniel Pozza
Marília Gerhardt de Oliveira
Title: Avaliação experimental dos efeitos da fixação interna (Ti, 1,5mm) no crescimento craniofacial pós-natal de coelhos, por meio de análise morfométrica direta
Issue Date: 2005
Abstract: In order to investigate the influence of internal rigid fixation on postnatal craniofacial growth, twenty rabbitswere randomly divided into two groups - experimental and control. In the experimental group, in theseventh postnatal week, one 1.5-mm straight microplate was transversely fixed to the coronal cranial suture.In the control group, also in the seventh postnatal week, a microscrew was placed on each side of the righthandside of the coronal suture at a distance equal to that separating the outer holes of the microplate. Allthe animals were sacrificed, at the age of 24 weeks, in the 17th postoperative week and an evaluation ofbone growth was performed using direct morphometric measurements of the anteroposterior distance indry skulls. An anteroposterior shortening of the lambdoid frontal distance was observed, both by comparing the right and left sides in the same specimen and by comparing the same side in the two groups. The righthandside was found to be smaller in the experimental group. It is believed that internal rigid fixationthrough areas of rapid bone growth in the skulls of rabbits at the age of development is able to inducechanges in the size of the skull.
Subject: Ciências da Saúde, Outras ciências médicas
Health sciences, Other medical sciences
Scientific areas: Ciências médicas e da saúde::Outras ciências médicas
Medical and Health sciences::Other medical sciences
Document Type: Artigo em Revista Científica Internacional
Rights: openAccess
Appears in Collections:FMUP - Artigo em Revista Científica Internacional

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