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Abstract Purpose This study aimed to compare the acceptability of removable acrylic appliances (RA) and Invisalign First (IF) clear aligners (Aligntech, USA) among children undergoing orthodontic treatment during the mixed dentition period, considering the severity of malocclusions. Methods A total of 40 patients, aged 6 to 13 years, were recruited for the study. Malocclusion severity was evaluated using the Index of Orthodontic Treatment Need-Dental Health Component (IOTN-DHC). Patients completed the "Acceptance of Orthodontic Appliance Scale (AOAS)" via a face-to-face Google survey. To assess the reliability of the AOAS, the survey was resent to five patients after three months for a second response, and reliability analysis was conducted. Additionally, inter-rater reliability was evaluated by having all patients independently assessed by a second researcher. Data were analyzed using SPSS Statistics version 26 (IBM Corp., Armonk, NY, USA), with statistical significance set at p < 0.05. Results Although no significant difference was found in IOTN-DHC scores, the IF group demonstrated significantly higher AOAS scores compared to the RA group (p = 0.014). Survey responses revealed noticeable distinctions between groups regarding speaking discomfort, preference for orthodontic appliances, and facial appearance comfort. A negative correlation (r = -0.477, p = 0.034) was observed between malocclusion severity and appliance acceptance. Clinical significance This study underscores the significant superiority and advantage of IF over RA among pediatric orthodontic patients during the mixed dentition period. |
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