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    Cleft Lip and Palate YouTube Videos: Content Usefulness and Sentiment Analysis
    (Sage Publications Inc, 2021) Bozkurt, Aylin Pasaoglu; Aras, Isil
    Objective: This study aimed to describe the content of YouTube videos about cleft lip and palate (CLP) and to describe the sentiment analysis of related comments. Design: Retrospective, YouTube video, and sentiment analysis. Methods: YouTube videos (N = 112) about CLP were examined, including demographics and ratings of quality and usefulness. Comments on CLP (N = 205) were classified by content, and measured from negative (-5) to positive (+5) with a sentiment analysis program. Results: Videos were uploaded most often by universities and hospitals (25%) and health information sites (22%). Most videos were educational (49.1%) or described patient experiences (48.2%). The most frequent video topics were terminology, CLP treatment, and prenatal diagnosis information. Based on the comprehensiveness of CLP topics covered, videos were generally rated by authors as moderately useful (31.5%) or very useful (35.7%). Comments were mostly made by people with CLP (79%), and the median sentiment scores were +3, and -2 for positive and negative sentiments, respectively. General content categories were positive comments (24.8%), provided information about themselves (24.4%), negative comments (19.5%), comments on usefulness of video (17.6%), or advice (9.3%). While 36.1% of comments noted no difficulties, the remaining comments included difficulties with surgery pain (13.2%), psychological state (12.2%), embarrassment (11.7%), physical appearance (10.2%), long term therapy (9.8%), and speech problems (6.8%). Conclusions: Although useful and educational YouTube videos were available, the variability of content quality suggests that caution be used in relying on videos for information and that experts in CLP treatment should be consulted.
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    Comparison of 2 treatment protocols using fixed functional appliances in Class II malocclusion: Treatment results and stability
    (Mosby-Elsevier, 2020) Bozkurt, Aylin Pasaoglu; Aras, Isil; Othman, Eman; Aras, Aynur
    Introduction: The objective of this research was to compare the 2 treatment protocols including a functional mandibular advancer (FMA; Forestadent, Pforzheim, Germany) followed by multibracket appliances (MBAs) vs a Forsus device (3M Unitek, Monrovia, Calif) in combination with MBA concerning treatment outcomes and posttreatment stability. Methods: This study was conducted using lateral cephalograms of patients who were treated with MBA, which was used either after an FMA or concurrently with a Forsus device, and of patients who had untreated Class II malocclusion (control group). Each group consisted of 19 subjects in cervical stage 2 or cervical stage 3 stages according to the cervical vertebral maturation index. Cephalograms were taken for the treated groups at T1 (pretreatment), T2 (completion of the MBA treatment), and T3 (at least 2 years after T2). Results: Significant intergroup differences at the T1-T2 period were observed in favor of the FMA concerning mandibular advancement, intermaxillary relationship, and mandibular elongation. With Forsus treatment, restrained maxillary growth and a slightly improved intermaxillary relationship rebounded after treatment (P <0.05). At the end of treatment, mandibular incisor protrusion and occlusal plane rotation were greater in the Forsus group than in the FMA group (P <0.05), and maxillary incisor retroclination was significant in the Forsus group. During the posttreatment period, although no significant changes were present in the incisors' inclination, relapses of the T1-T2 improvements in overjet and overbite and the recidive of the occlusal plane rotation were significantly higher in the Forsus group. Conclusions: Treatment protocol including an FMA was found to be more effective with mandibular skeletal effects and was more stable with a lesser degree of relapse in overjet and overbite than the Forsus protocol.