Yapay Zeka Hızlı Bakış & Çıkarımlar
AI InsightThe R2-A' was significantlydifferent between the groups.Conclusion: The soft tissue A point appears to be the most important differing matter between the two different RME appliances, anda full acrylic-bonded RME appliance may be beneficial for subjects with a maxillary retrognathic profile.
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Özet
Objective: The aim of the present study was to evaluate the effects of tooth-borne acrylic-bonded rapid maxillary expansion (RME)appliances with or without the anterior teeth anchorage on the skeletal and dentoalveolar structures, as well as soft tissues.Methods: This study included 44 patients who were treated with two different tooth-borne bonded acrylic RME appliances. Lateralcephalometric radiographs were taken before the treatment (T0) and in the post-retention (T1) phase of the RME treatment. Theposterior-bonded RME appliance group and full-bonded RME appliance group were created as the two different groups of treatment.The following statistical analyses were performed: intra- and inter-group comparisons were made using the paired t-test, Wilcoxontest, independent t-test, and Mann-Whitney U-test for normal and non-normal distribution data.Results: Significant increases were observed in R1-A, R1-ANS, R1-U1, R1-AR, R1-St, R1-Li, and R1-Pn in both groups. R1-PNS, R1-Ls,R1-Sn, and R1-B' were found to be significantly larger at T1 than at T0 in the posterior-bonded RME appliance group. R2-A, R2-ANS,R2-L1, R2-A', and R2-Pn were significantly larger at T1 than at T0 in the full-bonded RME appliance group. The R2-A' was significantlydifferent between the groups.Conclusion: The soft tissue A point appears to be the most important differing matter between the two different RME appliances, anda full acrylic-bonded RME appliance may be beneficial for subjects with a maxillary retrognathic profile.