Morphological Changes of Skeletal Class III Malocclusion in Mixed Dentition with Protraction Combined Activities

SUMMARY: The objective of the study was to investigate the morphological changes of skeletal class III malocclusion in mixed dentition with light force protraction combined activities. Randomly selected 30 cases of orthodontics in Shanxi Medical University orthodontics patients (ages: 6-10 years) of...

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Autores principales:	Xu,Fan-Yu, Kwon,Tae-Geon, Rong,Hu, Kyung,Hee-Moon, Bing,Li, Wu,Xiu-Ping
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2018
Materias:	Morphological characteristics Skeletal class III malocclusion Protraction Cephalometric measurements Mixed dentition
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022018000200430
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spelling	oai:scielo:S0717-950220180002004302019-09-16Morphological Changes of Skeletal Class III Malocclusion in Mixed Dentition with Protraction Combined ActivitiesXu,Fan-YuKwon,Tae-GeonRong,HuKyung,Hee-MoonBing,LiWu,Xiu-Ping Morphological characteristics Skeletal class III malocclusion Protraction Cephalometric measurements Mixed dentition SUMMARY: The objective of the study was to investigate the morphological changes of skeletal class III malocclusion in mixed dentition with light force protraction combined activities. Randomly selected 30 cases of orthodontics in Shanxi Medical University orthodontics patients (ages: 6-10 years) of the lateral cephalograms. Using the oral maxillary casting type of pre-traction device, according to the condition of maxillary dentition to select the corresponding activities of the movable expansion appliance, each side of the force of about 150-200 g, requiring patients to wear 10-12 hours a day, the appliance should be removed after reaching normal occlusion. The correlation cephalometric profile of the cranial lateral radiographs before and after orthodontic treatment was measured. All patients with skeletal class III malocclusion were improved, concave type became direct type, measurements SNA, ANB, A-Ptm, MP-SN, ANS-Me/N-Me increased, maxillary advancement and reconstruction are more obvious; mandible rotates clockwise; the increase of lip inclination of anterior teeth compensatory changes, lower anterior tooth inclination changes smaller; upper lip forward, nasolabial angle decreased, improved appearance significantly. Light force protraction combined activities can make the mixed dentition of skeletal class III malocclusion in patients with significant improvement in profile appearance.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.36 n.2 20182018-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022018000200430en10.4067/S0717-95022018000200430
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Morphological characteristics Skeletal class III malocclusion Protraction Cephalometric measurements Mixed dentition
spellingShingle	Morphological characteristics Skeletal class III malocclusion Protraction Cephalometric measurements Mixed dentition Xu,Fan-Yu Kwon,Tae-Geon Rong,Hu Kyung,Hee-Moon Bing,Li Wu,Xiu-Ping Morphological Changes of Skeletal Class III Malocclusion in Mixed Dentition with Protraction Combined Activities
description	SUMMARY: The objective of the study was to investigate the morphological changes of skeletal class III malocclusion in mixed dentition with light force protraction combined activities. Randomly selected 30 cases of orthodontics in Shanxi Medical University orthodontics patients (ages: 6-10 years) of the lateral cephalograms. Using the oral maxillary casting type of pre-traction device, according to the condition of maxillary dentition to select the corresponding activities of the movable expansion appliance, each side of the force of about 150-200 g, requiring patients to wear 10-12 hours a day, the appliance should be removed after reaching normal occlusion. The correlation cephalometric profile of the cranial lateral radiographs before and after orthodontic treatment was measured. All patients with skeletal class III malocclusion were improved, concave type became direct type, measurements SNA, ANB, A-Ptm, MP-SN, ANS-Me/N-Me increased, maxillary advancement and reconstruction are more obvious; mandible rotates clockwise; the increase of lip inclination of anterior teeth compensatory changes, lower anterior tooth inclination changes smaller; upper lip forward, nasolabial angle decreased, improved appearance significantly. Light force protraction combined activities can make the mixed dentition of skeletal class III malocclusion in patients with significant improvement in profile appearance.
author	Xu,Fan-Yu Kwon,Tae-Geon Rong,Hu Kyung,Hee-Moon Bing,Li Wu,Xiu-Ping
author_facet	Xu,Fan-Yu Kwon,Tae-Geon Rong,Hu Kyung,Hee-Moon Bing,Li Wu,Xiu-Ping
author_sort	Xu,Fan-Yu
title	Morphological Changes of Skeletal Class III Malocclusion in Mixed Dentition with Protraction Combined Activities
title_short	Morphological Changes of Skeletal Class III Malocclusion in Mixed Dentition with Protraction Combined Activities
title_full	Morphological Changes of Skeletal Class III Malocclusion in Mixed Dentition with Protraction Combined Activities
title_fullStr	Morphological Changes of Skeletal Class III Malocclusion in Mixed Dentition with Protraction Combined Activities
title_full_unstemmed	Morphological Changes of Skeletal Class III Malocclusion in Mixed Dentition with Protraction Combined Activities
title_sort	morphological changes of skeletal class iii malocclusion in mixed dentition with protraction combined activities
publisher	Sociedad Chilena de Anatomía
publishDate	2018
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022018000200430
work_keys_str_mv	AT xufanyu morphologicalchangesofskeletalclassiiimalocclusioninmixeddentitionwithprotractioncombinedactivities AT kwontaegeon morphologicalchangesofskeletalclassiiimalocclusioninmixeddentitionwithprotractioncombinedactivities AT ronghu morphologicalchangesofskeletalclassiiimalocclusioninmixeddentitionwithprotractioncombinedactivities AT kyungheemoon morphologicalchangesofskeletalclassiiimalocclusioninmixeddentitionwithprotractioncombinedactivities AT bingli morphologicalchangesofskeletalclassiiimalocclusioninmixeddentitionwithprotractioncombinedactivities AT wuxiuping morphologicalchangesofskeletalclassiiimalocclusioninmixeddentitionwithprotractioncombinedactivities
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Morphological Changes of Skeletal Class III Malocclusion in Mixed Dentition with Protraction Combined Activities

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