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http://dx.doi.org/10.4041/kjod.2017.47.6.375

Comparison of treatment effects between the modified C-palatal plate and cervical pull headgear for total arch distalization in adults  

Park, Chong Ook (Private Practice: Department of Orthodontics, The Catholic University of Korea and Seoul National University)
Sa'aed, Noor Laith (Dental Department, Iraqi Armed Hospital, Ministry of Defense)
Bayome, Mohamed (Dental Department, Iraqi Armed Hospital, Ministry of Defense)
Park, Jae Hyun (Postgraduate Orthodontic Program, Arizona School of Dentistry & Oral Health, A.T. Still University)
Kook, Yoon-Ah (Department of Orthodontics, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea)
Park, Young-Seok (Department of Oral Anatomy, Dental Research Institute and School of Dentistry, Seoul National University)
Han, Seong Ho (Division of Orthodontics, Department of Dentistry, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea)
Publication Information
The korean journal of orthodontics / v.47, no.6, 2017 , pp. 375-383 More about this Journal
Abstract
Objective: The purpose of this study was to evaluate the dental and skeletal effects of the modified C-palatal plate (MCPP) for total arch distalization in adult patients with Class II malocclusion and compare the findings with those of cervical pull headgear. Methods: The study sample consisted of the lateral cephalograms of 44 adult patients with Class II Division 1 malocclusion, including 22 who received treatment with MCPP (age, $24.7{\pm}7.7years$) and 22 who received treatment with cervical pull headgear (age, $23.0{\pm}7.7years$). Pre- (T1) and post-treatment (T2) cephalograms were analyzed for 24 linear and angular measurements. Multivariate analysis of variance was performed to evaluate the changes after treatment in each group and differences in treatment effects between the two groups. Results: The mean amount of distalization at the crown and root levels of the maxillary first molar and the amount of distal tipping was 4.2 mm, 3.5 mm, and $3.9^{\circ}$ in the MCPP group, and 2.3 mm, 0.6 mm, and $8.6^{\circ}$ in the headgear group, respectively. In addition, intrusion by 2.5 mm was observed in the MCPP group. In both groups, the distal movement of the upper lip and the increase in the nasolabial angle were statistically significant (p < 0.001). However, none of the skeletal and soft tissue variables exhibited significant differences between the two groups. Conclusions: The results of this study suggest that MCPP is an effective treatment modality for total arch distalization in adults.
Keywords
Class II; Headgear; Orthodontic implant; Palatal plate;
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Times Cited By KSCI : 3  (Citation Analysis)
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