External apical root resorption in maxillary root-filled incisors after orthodontic treatment : a split-mouth design study
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External apical root resorption in maxillary root-filled incisors after orthodontic treatment : a split-mouth design study

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External apical root resorption in maxillary root-filled incisors after orthodontic treatment : a split-mouth design study

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dc.contributor.author Llamas Carreras, José María es
dc.contributor.author Amarilla, Almudena es
dc.contributor.author Espinar Escalona, Eduardo es
dc.contributor.author Castellanos Cosano, Lizett es
dc.contributor.author Martín González, Jenifer es
dc.contributor.author Sánchez Domínguez, Benito es
dc.contributor.author López Frias, Javier es
dc.date.accessioned 2017-07-25T10:17:38Z
dc.date.available 2017-07-25T10:17:38Z
dc.date.issued 2012 es
dc.identifier.uri http://hdl.handle.net/10550/59959
dc.description.abstract 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 proportion 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 orthodontic movement between root-filled incisors and their contralateral teeth with vital pulps. es
dc.source Llamas Carreras, José María ; Amarilla, Almudena ; Espinar Escalona, Eduardo ; Castellanos Cosano, Lizett ; Martín González, Jenifer ; Sánchez Domínguez, Benito ; López Frias, Javier. External apical root resorption in maxillary root-filled incisors after orthodontic treatment : a split-mouth design study. En: Medicina oral, patología oral y cirugía bucal. Ed. inglesa, 17 3 2012: 7- es
dc.title External apical root resorption in maxillary root-filled incisors after orthodontic treatment : a split-mouth design study es
dc.type info:eu-repo/semantics/article en
dc.type info:eu-repo/semantics/publishedVersion en
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/medoral.17586 es

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