Evaluation of Soft Tissue Changes in Patients using Twin block appliance pre- post treatment comparison
Journal Title: Journal of Advanced Medical and Dental Sciences Research - Year 2017, Vol 5, Issue 11
Abstract
Background: Functional appliance therapy is a commonly used treatment protocol for growing Class II patients. There appears to be a consensus that removable functional appliance therapy leads to improvement on facial appearance in Class II patients. Twin Block appliance is the most commonly used functional appliance. Hence the present study was planned to evaluate soft tissue changes in patients using Twin block appliance for correction of class II malocclusion. Aim: To evaluate soft tissue changes in patients using Twin block appliance for correction of class II malocclusion. Materials and method: The present study was conducted in the post- graduate department of Orthodontics and Dentofacial Orthopedics of the dental institution. For the study we selected 32 patients with Class II malocclusion that were given twin block appliance for correction of malocclusion. The pre-treatment (T1) and post-treatment (T2) cephalograms of all the patients were obtained from the records for the evaluation of soft tissue profile changes. The parameters evaluated were: middle third of face height (N’-Sn), lower third facial height (Sn-Me’), soft tissue profile angle (N’-Sn-Pog’), Holdaway angle (NB-tangent to upper lip through Pog’), soft tissue chin thickness (horizontal distance between Pog-Pog’), nasolabial angle and mentolabial sulcus angle. Results: We observed that there was definite improvement in the soft tissue parameters in patients leading to improved aesthetics. The patients exhibited statistically significant changes in all the studied parameters, namely, middle 1/3rd of face height, soft tissue LAFH, soft tissue profile angle, Holdaway angle, nasolabial angle and mentolabial sulcus angle. Conclusion: Twinblock appliance use provides significant changes in the soft tissues of the patients
Authors and Affiliations
Sneh Kalgotra, Mohammad Mushtaq
Keywords
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