Analysis of correlation between initial alveolar bone density and apical root resorption after 12 months of orthodontic treatment without extraction
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Objective: The aim of the present study was to investigate the correlation between initial alveolar bone density of upper central incisors (ABD-UI) and external apical root resorption (EARR) after 12 months of orthodontic movement in cases without extraction. Methods: A total of 47 orthodontic patients 11 years old or older were submitted to periapical radiography of upper incisors prior to treatment (T1) and after 12 months of treatment (T2). ABD-UI and EARR were measured by means of densitometry. Results: No statistically significant correlation was found between initial ABD-UI and EARR at T2 (r = 0.149; p = 0.157). Conclusion: Based on the present findings, alveolar density assessed through periapical radiography is not predictive of root resorption after 12 months of orthodontic treatment in cases without extraction.
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Bone density, Dental radiography, Root resorption, Tooth movement
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Inglês
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Dental Press Journal of Orthodontics, v. 19, n. 5, p. 97-102, 2014.
