Influence of the Occlusal Alteration in the Mandible Morphology of the Gerbil

Considering the biomechanical aspects, many facts need to be understood on the mandible, to know which effects unilateral occlusal changes may cause on the stomatognathic system. The aim of this study was to analyze the malocclusion by unilateral teeth extraction on the mandible morphology in gerbil...

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Autores principales:	Dias,Fernando José, Oliveira,Richard Honorato de, Issa,João Paulo Mardegan, Regalo,Simone Cecílio Hallak, Souza,Valéria O. Pagnano de, Catirse,Alma Blásida C. E. B, Iyomasa,Mamie Mizusaki
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2010
Materias:	Malocclusion Morphology Gerbil
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022010000400027
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spelling	oai:scielo:S0717-950220100004000272011-03-31Influence of the Occlusal Alteration in the Mandible Morphology of the GerbilDias,Fernando JoséOliveira,Richard Honorato deIssa,João Paulo MardeganRegalo,Simone Cecílio HallakSouza,Valéria O. Pagnano deCatirse,Alma Blásida C. E. BIyomasa,Mamie Mizusaki Malocclusion Morphology Gerbil Considering the biomechanical aspects, many facts need to be understood on the mandible, to know which effects unilateral occlusal changes may cause on the stomatognathic system. The aim of this study was to analyze the malocclusion by unilateral teeth extraction on the mandible morphology in gerbil. We used 10 gerbils Meriones unguiculatus, young male, weighing around 50-60g, divided into two groups (n=5), an experimental group and control, which evaluated the two hemi-mandibles, with a total of 20 samples which were measured by digital pachymeter. The measures were taken: (1) length and (2) width of the mandible condyle and (3) body height in the region of mandibular 1st molar. Data from these measurements were analyzed using ANOVA and Mann-Whitney test. The results of this study showed a statistically significant difference in the three measures between experimental and control groups. The width of the mandible head (condyle) showed statistical difference between the ipsilateral and contralateral sides to teeth extraction. It was concluded that the mastication modification by unilateral teeth extraction caused an imbalance, promoting not only a modification in the craniofacial growth pattern, but also a harmful effect on the stomatognathic system of the gerbil used as an experimental model in this study.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.28 n.4 20102010-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022010000400027en10.4067/S0717-95022010000400027
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Malocclusion Morphology Gerbil
spellingShingle	Malocclusion Morphology Gerbil Dias,Fernando José Oliveira,Richard Honorato de Issa,João Paulo Mardegan Regalo,Simone Cecílio Hallak Souza,Valéria O. Pagnano de Catirse,Alma Blásida C. E. B Iyomasa,Mamie Mizusaki Influence of the Occlusal Alteration in the Mandible Morphology of the Gerbil
description	Considering the biomechanical aspects, many facts need to be understood on the mandible, to know which effects unilateral occlusal changes may cause on the stomatognathic system. The aim of this study was to analyze the malocclusion by unilateral teeth extraction on the mandible morphology in gerbil. We used 10 gerbils Meriones unguiculatus, young male, weighing around 50-60g, divided into two groups (n=5), an experimental group and control, which evaluated the two hemi-mandibles, with a total of 20 samples which were measured by digital pachymeter. The measures were taken: (1) length and (2) width of the mandible condyle and (3) body height in the region of mandibular 1st molar. Data from these measurements were analyzed using ANOVA and Mann-Whitney test. The results of this study showed a statistically significant difference in the three measures between experimental and control groups. The width of the mandible head (condyle) showed statistical difference between the ipsilateral and contralateral sides to teeth extraction. It was concluded that the mastication modification by unilateral teeth extraction caused an imbalance, promoting not only a modification in the craniofacial growth pattern, but also a harmful effect on the stomatognathic system of the gerbil used as an experimental model in this study.
author	Dias,Fernando José Oliveira,Richard Honorato de Issa,João Paulo Mardegan Regalo,Simone Cecílio Hallak Souza,Valéria O. Pagnano de Catirse,Alma Blásida C. E. B Iyomasa,Mamie Mizusaki
author_facet	Dias,Fernando José Oliveira,Richard Honorato de Issa,João Paulo Mardegan Regalo,Simone Cecílio Hallak Souza,Valéria O. Pagnano de Catirse,Alma Blásida C. E. B Iyomasa,Mamie Mizusaki
author_sort	Dias,Fernando José
title	Influence of the Occlusal Alteration in the Mandible Morphology of the Gerbil
title_short	Influence of the Occlusal Alteration in the Mandible Morphology of the Gerbil
title_full	Influence of the Occlusal Alteration in the Mandible Morphology of the Gerbil
title_fullStr	Influence of the Occlusal Alteration in the Mandible Morphology of the Gerbil
title_full_unstemmed	Influence of the Occlusal Alteration in the Mandible Morphology of the Gerbil
title_sort	influence of the occlusal alteration in the mandible morphology of the gerbil
publisher	Sociedad Chilena de Anatomía
publishDate	2010
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022010000400027
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Influence of the Occlusal Alteration in the Mandible Morphology of the Gerbil

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