Biological and orthodontic treatment risk factors associated to external root resorption: a case-control study

Introduction: external apical root resorption (EARR) is considered an adverse effect related to orthodontic treatment, but its specific risk factors remain controversial. The aim of this study was to identify the biological and orthodontic treatment risk factors associated with EARR in the incisors...

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Published in:Revista de la Facultad de Odontología Universidad de Antioquia 2020-12, Vol.32 (2), p.42-52
Main Authors: Plaza-Ruíz, Sonia Patricia, Reimpell-Vivas, Andreina, Santana-Suárez, María Camila, Zárate-Cadena, Fernando
Format: Article
Language:eng ; por
Subjects:
Computer programs
DENTISTRY, ORAL SURGERY & MEDICINE
etiology
Incisors
Mathematical models
Orthodontics
panoramic
radiography
Regression analysis
Risk factors
Root resorption
Statistical analysis
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Summary:Introduction: external apical root resorption (EARR) is considered an adverse effect related to orthodontic treatment, but its specific risk factors remain controversial. The aim of this study was to identify the biological and orthodontic treatment risk factors associated with EARR in the incisors of patients who completed orthodontic treatment. Method: case-control study. 126 subjects (27.81 + 11.02 years old; 56 men, 70 women) selected for convenience; 63 cases and 63 controls, matched with cases in age and sex. EARR was measured on panoramic radiographs using the Levander and Malmgren classification. Demographic, biological, and orthodontic treatment-related variables were taken from clinical records. The cephalometric variables before and after treatment were measured with the Dolphin software. Statistical analysis included: Chi2, U Mann Whitney, t-test, and logistic regression models. Statistical significance was established at p
ISSN:0121-246X
2145-7670
DOI:10.17533/udea.rfo.v32n2a4