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Quintessence Publishing: Journals: ORTHODONTICS
The Art and Practice of Dentofacial Enhancement

Formerly World Journal of Orthodontics

Edited by
Rafi Romano, DMD, MSc (Editor-in-Chief)

ISSN 2160-2999 (print) / ISSN 2160-3006 (online)

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Summer 2010
Volume 11 , Issue 2

Share Abstract:

Digital Subtraction Radiography Of Panoramic Radiographs To Evaluate Maxillary Central Incisor Root Resorption After Orthodontic Treatment

Ioulia Ioannidou-Marathiotou, DDS/Moschos A. Papadopoulos, DDS, Dr Med Dent/Athina Kondylidou-Sidira, DDS, Dr Dent/Andreas Kokkas, DDS/ Vassilis Karagiannis

Pages: 142–152
PMID: 20552101

Aim: To quantitatively assess the extent of morphologic changes of the apical root area and root length of maxillary central incisors after orthodontic treatment using digital subtraction radiography (DSR) and to investigate possible contributing parameters. Methods: The subtracted images of panoramic radiographs of 21 patients before and after orthodontic treatment were evaluated using I/RAS C and Image J software. The retrieved data were analyzed by means of SPSS statistical software, and the method’s error was assessed. Results: There was a small but significant decrease of the root dimensions of the maxillary central incisors at the end of orthodontic treatment. The amount of root resorption was not significantly influenced by sex, age, dentition, malocclusion classification, extraction, overjet, overbite, elastic wear, and number of teeth with resorption as measured by DSR. Conclusion: DSR of pre- and posttreatment panoramic radiographs was able to confirm minor root resorption of the maxillary central incisors after orthodontic treatment. World J Orthod 2010;11:142–152.

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