Soft tissue profile changes of patients treated with two different passive self ligating systems
Keywords:
passive self ligating brackets, Damon Q bracket, AO bracket, soft tissue profile, lateral cephalogramAbstract
Introduction: Orthodontists have been quite concerned about how orthodontic therapy, whether it involves tooth extraction or not, may affect the facial profile. The aim of the study was to compare the soft tissue profile alterations in patients with Class I malocclusions who underwent non extraction treatment protocol with AO and Damon passive self ligating bracket systems. Materials and methodology: Patients treated with passive self ligating brackets either Damon Q or AO were included in the study. This in vivo study consisted of 2 groups; each group had 10 subjects. Group 1: Damon passive self-ligating bracket, Group 2: AO passive self-ligating bracket. Data was compiled from lateral cephalometric radiographs taken before and after orthodontic treatment. Five linear and five angular soft tissue parameters were used in the study. An independent t test was performed to determine the mean difference between linear and angular soft tissue parameters in the AO and Damon passive self ligating groups. Results: The results of the independent t test showed that there was no statistical significant difference in any of the linear or angular parameters between the two groups(p<0.05).
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