Effect of Fixed versus Removable Appliances for Mandibular Advancement on Pharyngeal Airway of Growing Individuals
Publish place: Iranian Journal of Orthodontics، Vol: 18، Issue: 2
Publish Year: 1402
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_ORTHO-18-2_002
تاریخ نمایه سازی: 15 آذر 1402
Abstract:
Aim: Dental malocclusion and jaw misalignments are the foremost reasons for airway constriction. To facilitate anterior mandibular repositioning and the concomitant anterior positioning of the tongue can induce the expansion of the pharyngeal airway. The study aimed to compare comprehensive treatment outcomes of fixed and removable mandibular advancement appliances on the width of the pharyngeal airway space. Methods: Twenty growing patients with skeletal Class II malocclusion were placed into two groups: Advansync۲ and twin block. Patients were advised to use mandibular advancement appliances (MAA) for ۹–۱۲ months. Lateral cephalograms and the Epworth Sleepiness Scale (ESS) were evaluated to assess alterations in the pharyngeal airway space and quality of sleep at two intervals. The chi-square test, one-way ANOVA and Duncan’s post hoc test were used for statistical analysis. P-values<۰.۰۵ were considered as significant. Results: Based on the results, only the change in PNS-V measurements indicated a significant difference between appliances. Advansync۲ showed more change (۰.۷۰±۲.۴۵ mm) compared to twin block (-۱.۸۰±۲.۳۴ mm), indicating a statistically significant difference (p=۰.۰۳۲). Conclusion: A significant reduction in the ESS score in both groups was observed without any significant differences between them.
Keywords:
Keywords: Advansync۲ , Twin block , Epworth Sleepiness Scale (ESS) , Mandibular advancement appliances (MAA)
Authors
Faheem Arif
Department of Orthodontics, Coorg Institute of Dental Sciences, Virajpet, Karnataka, India
Goutham Reddy
Department of Orthodontics, Coorg Institute of Dental Sciences, Virajpet, Karnataka, India
Sanju Somaiah
Department of Orthodontics, Coorg Institute of Dental Sciences, Virajpet, Karnataka, India
Sunil Muddaiah
Department of Orthodontics, Coorg Institute of Dental Sciences, Virajpet, Karnataka, India
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