Abstract
BackgroundThis study aims to compare the relationship between skeletal and dental outcomes of rapid maxillary expansion (RME) treatment on cone beam computed tomography (CBCT) images between pre-pubertal peak (pre-peak) and post-pubertal peak (post-peak) patients. The null hypothesis was that there was no difference in the outcomes of RME treatment between the groups.MethodsThirty-two patients who underwent RME treatment were classified according to midpalatal suture maturation levels and then divided into two groups as pre-peak and post-peak. Skeletal and dental measurements were performed on the CBCT images at T0 (pre-treatment stage) and at T1 (post-treatment stage). Paired sample t test was used to evaluate normally distributed data and P < 0.05 was taken as the significance level.ResultsThere were significant differences between T0 and T1 within the groups, but the changes between the pre-peak and post-peak patient groups were not statistically significant.ConclusionNon-significant changes were found between the two groups, and the null hypothesis was excepted.
Highlights
Maxillary transversal deficiency can be associated with every types of sagittal malocclusion [1, 2]
In the light of the fact that skeletal maturation level affects the biological response to rapid maxillary expansion, the aim of this study was to investigate the relationship between skeletal and dental outcomes of RME treatment between pre-peak and post-peak patients who were classified according to midpalatal suture maturation levels
Skeletal maturation of each patient was assessed by using the midpalatal suture maturation (MSM) method [19] which was performed on cone beam computed tomography (CBCT) images
Summary
Maxillary transversal deficiency can be associated with every types of sagittal malocclusion [1, 2]. Skeletal and dental effects were widely investigated in the literature [1, 3,4,5,6], but there is still limited information present about the prediction of maxillary expansion results [7]. Clinical outcomes can be different from the pre-treatment prediction. The biological response of midpalatal suture, skeletal tissues, and dental tissues to rapid maxillary expansion was traditionally reported as it was related to patient’s chronological age. Age is usually accepted as the determining factor while planning maxillary expansion. This study aims to compare the relationship between skeletal and dental outcomes of rapid maxillary expansion (RME) treatment on cone beam computed tomography (CBCT) images between pre-pubertal peak (prepeak) and post-pubertal peak (post-peak) patients. The null hypothesis was that there was no difference in the outcomes of RME treatment between the groups
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