Early Treatment of Anterior Crossbite with Eruption Guidance Appliance: A Case Report

Marianna Pellegrino, Silvia Caruso, Tiziana Cantile, Gioacchino Pellegrino and Gianmaria Fabrizio Ferrazzano
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Marianna Pellegrino: Unit of Dentistry, Vita-Salute San Raffaele University, 20132 Milan, Italy
Silvia Caruso: Department of Health, Life and Environmental Science, University of L’Aquila, 67100 L’Aquila, Italy
Tiziana Cantile: Department of Neuroscience, Reproductive and Oral Sciences, School of Paediatric Dentistry, University of Naples, Federico II, 80138 Naples, Italy
Gioacchino Pellegrino: Department of Health, Life and Environmental Science, University of L’Aquila, 67100 L’Aquila, Italy
Gianmaria Fabrizio Ferrazzano: Department of Neuroscience, Reproductive and Oral Sciences, School of Paediatric Dentistry, University of Naples, Federico II, 80138 Naples, Italy

IJERPH, 2020, vol. 17, issue 10, 1-10

Abstract: The purpose of this investigation was to show how to manage an anterior crossbite in early mixed dentition with an eruption guidance appliance (EGA). The analyzed clinical case reported an anterior crossbite, a bimaxillary retrusion tendency, and a horizontal growth pattern. The anterior crossbite was an unfavorable occlusal condition that could lead to a class III malocclusion growth pattern. An early treatment approach was suggested to reach a correct sagittal jaw relationship. Hence, the selected approach acted on the dentoalveolar sector, aiming to have effects on the posterior vertical dimension and to improve the sagittal jaw’s relation. An EGA was selected to treat the patient in early mixed dentition. After 7 months of therapy with night-time use, the dental malocclusion was completely resolved. The patient continued to be treated with the same device, used as active retention. With the EGA treatment, the erupting forces, rather than the active forces, were used to resolve the dental malocclusion. This approach allowed a low compliance requirement and had a minimum psychosocial and psychological impact on the patient. The early treatment was essential to give a functional occlusion and a good balance of the soft perioral tissues and muscles.

Keywords: eruption guidance appliance; class III malocclusion; early orthodontic treatment; EGA; anterior crossbite; interceptive orthodontics (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
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