Journal Article

Ossification of the midpalatal suture after surgically assisted rapid maxillary expansion

Júlio de Araújo Gurgel, Márcia Ferreira Vasconcelos Malmström and Célia Regina Maio Pinzan-Vercelino

in The European Journal of Orthodontics

Published on behalf of European Orthodontics Society

Volume 34, issue 1, pages 39-43
Published in print February 2012 | ISSN: 0141-5387
Published online February 2011 | e-ISSN: 1460-2210 | DOI: http://dx.doi.org/10.1093/ejo/cjq153
Ossification of the midpalatal suture after surgically assisted rapid maxillary expansion

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The purpose of this study was to evaluate ossification of the midpalatal suture in adult patients immediately after surgically assisted rapid maxillary expansion (SARME) until 120 days post-surgery. The sample comprised 126 standardized occlusal radiographs of 21 adults (14 females and 7 males; mean age: 25.33 years) taken pre-expansion (T1), immediately after expansion (T2), and post-expansion (30, 60, 90, and 120 days of retention, respectively: T3, T4, T5, and T6) who had undergone SARME. The radiographs were digitized and the images were analysed and compared in relation to the morphology and radiopacity at the different treatment stages, especially concerning the characteristics of the midpalatal suture. Data were statistically analysed using analysis of variance and Tukey’s test.

The results demonstrated that from T2 to T6, the mean optical density (OD) increased. However, these values were not similar to those observed at T1. A retention period of 120 days was not sufficient for the re-establishment of OD and complete ossification within the suture in the evaluated patients.

Journal Article.  3248 words.  Illustrated.

Subjects: Restorative Dentistry and Orthodontics

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