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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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Winter 2003
Volume 4 , Issue 4

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Apical Root Resorption of Maxillary Central Incisors Caused by Orthodontic Intrusion in Adult Periodontal Patients

Stefania Re, MD, DDS/Daniele Cardaropoli, DDS/Giuseppe Corrente, MD, DDS/Roberto Abundo, MD, DDS

Pages: 321325

Aim: To evaluate the amount of apical root resorption of central incisors with periodontal involvement in patients undergoing orthodontic intrusion. Methods: Twenty-eight adult periodontal patients were treated with combined orthodontic-periodontic therapy. After open-flap surgery, the orthodontic treatment started, following the segmented arch technique, and the teeth were intruded. The amount of radicular resorption was evaluated on standardized intraoral radiographs. The influence of intrusion, treatment time, and age and gender of the patients upon apical resorption were also studied. Results: At the end of treatment, mean resorption at the apex was 0.46 mm, 3.46% of the initial root length. No relationship was found between resorption and amount of intrusion or patient gender and age. A poor level of association was reported between resorption and treatment duration. Conclusion: Results suggest that by using light (10 to 15 g) and continuous forces, apical resorption could be kept to a minimum. This also is true in the treatment of maxillary central incisors with marginal bone loss. World J Orthod 2003;4:321325.

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