Özet:

The aim of this study is to compare the changes in sagittal airway dimension after functionaltreatment. A total of 101 patients, 47 maleand 54 female, wereincluded in the study. Group were formed according to gender and appliance type and in patients with 65 removable (monoblock) and 36 fixed appliances (ForsusTM), Sella-Nasion-A angles (SNA), Sella-Nasion-B angles (SNB), and A noktası-Nasion-B angles (ANB) as airway dimensions; lower airway size (PNS-AD1), upper airway size (PNS-AD2), lower adenoid tissue (AD1-BA), upper adenoid tissue (AD2-HO), superior pharyngeal space (SPS), middle pharyngeal space (MPS) and inferior pharyngeal space (IPS) were measured and recorded. A significant increase was observed in all pharyngeal spaces in boys (p<0.05). While a significant increase was observed in the superior and inferior pharyngeal spaces in girls and in removable appliance group, a significant increase was observed only in the inferior pharyngeal space in fixed group (p<0.05). A significantly decrease in SNA and ANB and an increase in SNB were observed in all groups (p<0.05). The amount of increase in SNB and decrease in ANB were found to be significantly higher in removable group than in fixed group (p<0.05). It was seen that with the functional therapy of skeletal class 2 maloc clusions, both significant increases in sagittalair way dimensions were obtained and normal growth and development were managed.

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