Artículo
External apical root resorption in maxillary root-filled incisors after orthodontic treatment: A split-mouth design study
Autor/es | Llamas Carreras, José María
Amarilla, Almudena Espinar-Escalona, E. Castellanos Cosano, Lizett Martín González, Jenifer Sánchez Domínguez, Benito López Frías, Francisco Javier |
Departamento | Universidad de Sevilla. Departamento de Estomatología Instituto de Biomedicina de Sevilla (IBIS) |
Fecha de publicación | 2012 |
Fecha de depósito | 2024-09-11 |
Publicado en |
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Resumen | Introduction: The purpose of this study was to compare, in a split mouth design, the external apical root resorption
(EARR) associated with orthodontic treatment in root-filled maxillary incisors and their contralateral ... Introduction: The purpose of this study was to compare, in a split mouth design, the external apical root resorption (EARR) associated with orthodontic treatment in root-filled maxillary incisors and their contralateral teeth with vital pulps. Methodology: The study sample consisted of 38 patients (14 males and 24 females), who had one root-filled incisor before completion of multiband/bracket orthodontic therapy for at least 1 year. For each patient, digital panoramic radiographs taken before and after orthodontic treatment were used to determine the root resortion and the pro portion of external root resorption (PRR), defined as the ratio between the root resorption in the endodontically treated incisor and that in its contralateral incisor with a vital pulp. The student’s t-test, chi-square test and logistic regression analysis were used to determine statistical significance. Results: There was no statistically significant difference (p > 0.05) between EARR in vital teeth (1.1 ± 1.0 mm) and endodontically treated incisors (1.1 ± 0.8 mm). Twenty-six patients (68.4%) showed greater resorption of the endodontically treated incisor than its homolog vital tooth (p > 0.05). The mean and standard deviation of PPR were 1.0 ± 0.2. Multivariate logistic regression suggested that PRR does not correlate with any of the variables analyzed. Conclusions: There was no significant difference in the amount or severity of external root resorption during or thodontic movement between root-filled incisors and their contralateral teeth with vital pulps. |
Cita | Llamas Carreras, J.M., Amarilla, A., Espinar-Escalona, E., Castellanos Cosano, L., Martín González, J., Sánchez Domínguez, B. y López Frías, F.J. (2012). External apical root resorption in maxillary root-filled incisors after orthodontic treatment: A split-mouth design study. Medicina oral, patología oral y cirugía bucal, 17 (3), E523-E527. https://doi.org/10.4317/medoral.17586. |
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