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Stomatologija 2015; 17 (3): 84-8 92 KB

Neuromuscular evaluation in young patients with unilateral posterior crossbite before and after rapid maxillary expansion

Cinzia Maspero, Lucia Giannini, Guido Galbiati, Laima Kairyte, Giampietro Farronato

Summary

Objectives. The aim of this study is to analyze the electromyographic and electrognatographic exams of 55 patients before and after rapid palatal expansion, and to find out a relationship between the results.

Materials and methods. The sample consisted of 55 children (28 females and 27 males; age ranging between 6 and10 years) with unilateral posterior crossbite, and subjected to an electromyographic and electrognatographic examination before and after a rapid palatal expansion.

Results. By analyzing the results, it is possible to observe an increased electrical activity of the masticatory muscles (right and left masseters and anterior temporalis) both in rest position and during activities after rapid palatal expansion.

Conclusions. Rapid palatal expansion produces important changes in the muscular tone and it increases the muscular activity of the masticatory muscles.

Key words: muscular activity, electrognatography, rapid palatal expansion, posterior crossbite.

Received: 21 10 2014

Accepted for publishing: 28 09 2015

*Department of Orthodontics, Fondazione Cà Granda IRCCS Ospedale Maggiore Policlinico, University of Milan, Milan, Italy

Cinzia Maspero* – M.D., D.D.S.

Lucia Giannini* – D.D.S.

Guido Galbiati* – D.D.S.

Laima Kairyte* – D.D.S.

Giampietro Farronato* – M.D., D.D.S., prof.

Address correspondence to prof. Giampietro Farronato, Via Commenda 10, 20122 Milan, Italy.

E-mail address: giampietro.farronato@unimi.it



	Baltic Dental and Maxillofacial Journal

September, 2015, Vol. 17, No. 3 CONTENTS REVIEWS Cleft-related nose deformation evaluation and measurement methods. Literature review Ieva Bagante, Ilze Akota 75-83 SCIENTIFIC ARTICLES Neuromuscular evaluation in young patients with unilateral posterior crossbite before and after rapid maxillary expansion Cinzia Maspero, Lucia Giannini, Guido Galbiati, Laima Kairyte, Giampietro Farronato 84-88 CASE REPORTS Medication – related osteonecrosis of the jaws. The first reported cases in the Baltic States and a literature review Linas Zaleckas, Mindaugas Stacevičius, Dovilė Proškutė, Jurgita Povilaitytė 89-96 Synovial chondromatosis in the temporomandibular joint: case report with review of the literature Oksana Ivask, Edvitar Leibur, Ülle Voog-Oras 97-101 Trichoadenoma of the upper lip Gian Paolo Bombeccari, Gianpaolo Guzzi, Umberto Mariani, Andrea Gianatti, Diego Ruffoni, Franco Santoro, Francesco Spadari 102-104 © 2015 Stomatologija		Stomatologija 2015; 17 (3): 84-8 92 KB Neuromuscular evaluation in young patients with unilateral posterior crossbite before and after rapid maxillary expansion Cinzia Maspero, Lucia Giannini, Guido Galbiati, Laima Kairyte, Giampietro Farronato Summary Objectives. The aim of this study is to analyze the electromyographic and electrognatographic exams of 55 patients before and after rapid palatal expansion, and to find out a relationship between the results. Materials and methods. The sample consisted of 55 children (28 females and 27 males; age ranging between 6 and10 years) with unilateral posterior crossbite, and subjected to an electromyographic and electrognatographic examination before and after a rapid palatal expansion. Results. By analyzing the results, it is possible to observe an increased electrical activity of the masticatory muscles (right and left masseters and anterior temporalis) both in rest position and during activities after rapid palatal expansion. Conclusions. Rapid palatal expansion produces important changes in the muscular tone and it increases the muscular activity of the masticatory muscles. Key words: muscular activity, electrognatography, rapid palatal expansion, posterior crossbite. Received: 21 10 2014 Accepted for publishing: 28 09 2015 Department of Orthodontics, Fondazione Cà Granda IRCCS Ospedale Maggiore Policlinico, University of Milan, Milan, Italy Cinzia Maspero – M.D., D.D.S. Lucia Giannini* – D.D.S. Guido Galbiati* – D.D.S. Laima Kairyte* – D.D.S. Giampietro Farronato* – M.D., D.D.S., prof. Address correspondence to prof. Giampietro Farronato, Via Commenda 10, 20122 Milan, Italy. E-mail address: giampietro.farronato@unimi.it