Statistical analysis
The reference measures that were recorded before delivering the appliance were compared with the values seen after a month and 3 months of appliance delivery. Descriptive and analytical statistics were performed. The values were presented in mean and standard deviations. The Shapiro-Wilk test was used to determine the normality of continuous data. Because the data had a normal distribution, parametric tests were used to investigate it. To corroborate the mean differences, the independent sample 