Qin-Feng Ding, Ping Nie, Qing-Ling You, Yun-Hui Xia
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[Effects of vestibular shield appliances on lip morphological changes in mouth breathing patients].
Purpose: To evaluate the soft tissue position changes in the lower 1/3 of face after application of the vestibular shield for correction of mouth dyspnea.
Methods: A total of 32 pediatric patients wearing vestibular shield appliances for mouth breathing correction were reviewed, and the changes of upper and lower lip positions as well as chin position before and after appliance treatment were compared and analysed. GraphPad Prism 6.0 software package was used for data analysis.
Results: The values of lateral protrusion N'-Sn-Pog' (facial convexity), nasolabial angle (Cm-Sn-Ls) lower lip protrusion (LL-EP) and upper lip prominence (UL-EP) were significantly reduced, of which UL-EP changes were the most obviously changed parameter. In addition, the chin morphology associated parameters Si-LiPg' and Sn-Gn'-C were significantly improved after treatment as well. No significant differences were observed within gender.
Conclusions: Vestibular shield treatment for patients with mouth breathing can effectively improve the lip morphology.
期刊介绍：
"Shanghai Journal of Stomatology (SJS)" is a comprehensive academic journal of stomatology directed by Shanghai Jiao Tong University and sponsored by the Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine. The main columns include basic research, clinical research, column articles, clinical summaries, reviews, academic lectures, etc., which are suitable for reference by clinicians, scientific researchers and teaching personnel at all levels engaged in oral medicine.
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