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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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Fall 2008
Volume 9 , Issue 3

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Occurrence, Extension, and Severity of Gingival Margin Alterations After Orthodontic Treatment

Luciane Q. Closs, MS, PhD/Betina Grehs, DDS, MS/Dirceu Barnabe Raveli, DDS, MS, PhD/Cassiano Kuschenbecker Rösing, DDS, MS, PhD

Page: 267
PMID: 19641762

Aim: To assess the occurrence, extension, and severity of gingival margin alterations in a sample of youth after orthodontic treatment. Methods: Records from 209 Caucasian adolescents (118 female and 91 male) before and after orthodontic treatment were selected. Patients presented a mean age at the beginning of orthodontic treatment of 11.20 ± 1.86 years and a final mean age of 14.72 ± 1.83 years. Class I and II patients with mandibular incisors and canines that were completely erupted and with spacing or crowding not exceeding 4 mm were evaluated. The presence of gingival recession on the labial surface of the mandibular anterior teeth was evaluated in intraoral photographs and casts made before and after treatment. Results: The proportion of patients with gingival recession after treatment was statistically higher than at the beginning (P < .001). After orthodontic treatment, gingival recession was not present in any of the teeth for 63.6% of the patients; in 29.2% of the patients, recession was present in at least 1 tooth. In terms of severity, the majority of affected teeth (47%) presented gingival recession less than 2 mm and in 2% more than 4 mm. Conclusion: It may be concluded that alterations in the gingival margin, especially gingival recession, occur in patients after orthodontic therapy, but the extent and severity of this finding are low. World J Orthod 2008;9:267.

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