Dimensional changes of the dental arches after orthodontic treatment

Authors

Keywords:

orthodontics; dimensional changes; post-treatment; arch perimeter; transverse width; arch length; depth of the palatal vault

Abstract

Introduction: The dimensional changes of the dental arches that occur after orthodontic treatment are considered key elements for the diagnosis, prognosis and treatment plan.

Objective: To identify the dimensional changes of the dental arches that are caused by orthodontic treatment.

Methods: A descriptive, longitudinal and prospective study was carried out in patients aged 14 to 19 years, in the period from September 2020 to June 2023. The sample was made up of 30 patients who were made measurements of perimeter, transverse width and length in both arches, in addition to the depth of the palatal vault. The initial and final treatment study models were compared.

Results: It was possible to verify that there were changes in the dimensions of the arches after orthodontic treatment, characterized by increase of the perimeter, transverse width in the posterior sector in both arches and decrease in the palatine depth.

Conclusions: The use of fixed devices results in gains in the perimeter, in the transverse width and the depth of the palatal vault.

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Author Biographies

María del Carmen Cid-Rodríguez, Universidad de Ciencias Médicas de Matanzas

Especialista de segundo grado en Estomatología General Integral. Máster en Urgencias Estomatológicas. Profesor Auxiliar. Investigador Agregado.

Jorge Enrique Casas-Acosta, Clínica Estomatológica Docente III Congreso del PCC. Matanzas

Especialista de segundo grado en Ortodoncia. Máster en Urgencias Estomatológicas. Profesor Auxiliar. Investigador Agregado.

Maribel Sardiña-Valdés, Hospital Universitario Clínico Quirúrgico Comandante Faustino Pérez Hernández. Matanzas

Especialista de segundo grado en Ortodoncia. Máster en Urgencias Estomatológicas. Profesor Auxiliar. Investigador Agregado.

Ibette Pérez-Pereira, Clínica Estomatológica Docente III Congreso del PCC. Matanzas

Especialista de primer grado en Estomatología General Integral. Especialista de primer grado en Ortodoncia. Profesor Asistente.

Dayana Blanco-Delgado, Clínica Estomatológica Leonilda Sombill. Varadero.

Especialista de primer grado en Estomatología General Integral. Especialista de primer grado en Ortodoncia. 

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Published

2026-03-25

How to Cite

1.
Pérez-Pérez C, Cid-Rodríguez M del C, Casas-Acosta JE, Sardiña-Valdés M, Pérez-Pereira I, Blanco-Delgado D. Dimensional changes of the dental arches after orthodontic treatment. Rev Méd Electrón [Internet]. 2026 Mar. 25 [cited 2026 Mar. 30];48:e6907. Available from: https://revmedicaelectronica.sld.cu/index.php/rme/article/view/6907

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Vol. 48 (2026): Continuous publication

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Research article

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Copyright (c) 2026 Claudia Pérez-Pérez, María del Carmen Cid-Rodríguez, Jorge Enrique Casas-Acosta, Maribel Sardiña-Valdés, Ibette Pérez-Pereira, Dayana Blanco-Delgado

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