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CES Odontología

Print version ISSN 0120-971X

Abstract

TOBON, Diego; ARISTIZABAL, David; ALVAREZ, Cesar  and  URREA, Juan. Root changes in patients treated orthodontically. CES odontol. [online]. 2014, vol.27, n.2, pp.37-46. ISSN 0120-971X.

Abstract Introduction and objective: External apical root resorption ( RRAE ) associated with tooth movement has been the subject of research in the field of orthodontics and endodontics. Early detection would bring a benefit to the patient and the professional; It has been described as a complication of orthodontic treatment resulting in permanent loss of root structure. Efficient diagnosis is an essential aspect in order to define appropriate therapeutic and treatment success. The purpose of this study was to assess changes in root length and canal as a result of orthodontic treatment. Materials and methods: 42 teeth, maxillary central incisors of 21 patients (12 women, 9 men ) were evaluated. Changes in root length and width of the canal were determined with radiographic measurements obtained before starting treatment (T1 ) and at 6 ( T2 ), 12 ( T3 ) and 18 months ( T4 ) using a RINN® XCP® ( DENTSPLY) positioner technique and CDR System radiovisiography SCHICK®. Images obtained were imported and processed with the WIN® DBS system with which the corresponding measurements were made. Results: All tested incisors showed decreased length and breadth of the root canal during the 18 months of treatment. Conclusion: RRAE can be detected at early stages of orthodontic treatment , it appears most significantly during the first 6 monthsof treatment and seems to be related to the forces during alignment and leveling phases

Keywords : Orthodontics; Root resorption; Maxillary incisors.

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