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Title: Klammt's elastic open activator: Ricketts' cephalometrics results
Author: Ustrell i Torrent, Josep Maria, 1953-
Hereu, T.
Durán von Arx, José
Keywords: Maloclusió
Pròtesis maxil·lofacials
Dent incisiva
Dent molar
Maxillofacial prosthesis
Issue Date: Sep-2001
Publisher: Groupement International pour la Recherche Scientifique en Stomatologie et Odontologie
Abstract: The purpose of this study is to investigate the orthodontic and orthopaedic real effects of the Klammt's Elastic Open Activator (EOA) in 25 Class II Division 1 patients in growing period. We wanted to determine statistically the cephalometrics changes produced in the patients, comparing the lateral cranium teleradiographies we took for the diagnosis with the ones we took at the end of treatment. At the end of this study we confirm that by using the EOA we obtained the desired effects, especially reducing the molar relation 2.53 mm and the overjet 2.56 mm. The EOA corrected the inclination and protrusion of incisors, although we cannot avoid the use of fixed appliances to round off. The reduction of 2.48 mm of facial convexity stands out as the most important skeletal effect; the facial depth angle increases 0.8 degree, and the maxillary depth decreases 1.16 degrees. The length of the mandibular corpus also increases 6.7 mm, although this change is mainly due to the growth of the patient. The changes in the aesthetic profile do not stand out
Note: Reproducció del document publicat a:
It is part of: Bulletin du GIRSO, 2001, vol. 43, num. 3, p. 78-86
ISSN: 0250-4693
Appears in Collections:Articles publicats en revistes (Odontostomatologia)

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