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See discussions, stats, and author profiles for this publication at: Orthodontic treatment of gummy smile by maxillary total intrusion with a midpalatal absolute anchorage system Article in Korean Journal of Orthodontics · June 2013 DOI: 10.4041/kjod.2013.43.3.147 · Source: PubMed CITATIONS 6 READS 793 4 authors , including: Ryoon-Ki Hong Chong-A Dental Hospital 18 PUBLICATIONS 173 CITATIONS SEE PROFILE Seung-Hak Baek Seoul National University 215 PUBLICATIONS 3,329 CITATIONS SEE PROFILE All content following this page was uploaded by Ryoon-Ki Hong on 06 December 2014. The user has requested enhancement of the downloaded file.
Orthodontic treatment of gummy smile by maxillary total intrusion with a midpalatal absolute anchorage system This article describes the orthodontic treatment of a 31-year-old Korean female patient with gummy smile and crowding. The patient showed excessive gingival display in both the anterior and posterior areas and a large difference in gingival heights between the anterior and posterior teeth in the maxilla. To correct the gummy smile, we elected to intrude the entire maxillary dentition instead of focusing only on the maxillary anterior teeth. Alignment and leveling were performed, and a midpalatal absolute anchorage system as well as a modified lingual arch was designed to achieve posterosuperior movement of the entire upper dentition. The active treatment period was 18 months. The gummy smile and crowding were corrected, and the results were stable at 21 months post- treatment. [Korean J Orthod 2013;43(3):147-158] Key words: Lingual, Orthodontic mini-implant, Adult treatment Ryoon-Ki Hong a Seung-Min Lim b Jung-Min Heo c Seung-Hak Baek d a Department of Orthodontics, Chong-A Dental Hospital, Seoul, Korea b Private Practice, Seoul, Korea c Private Practice, Seoul, Korea; Department of Dentistry, Hallym University College of Medicine, Chuncheon, Korea d Department of Orthodontics, School of Dentistry, Dental Research Institute, Seoul National University, Seoul, Korea Received Octover 30, 2012; Revised February 20, 2013; Accepted February 25, 2013. Corresponding author: Ryoon-Ki Hong. Chairman, Department of Orthodontics, Chong-A Dental Hospital, 125 Teheran-ro, Gangnam-gu, Seoul 135-911, Korea Tel +82-2-2051-2885 e-mail [email protected] 147 © 2013 The Korean Association of Orthodontists. The authors report no commercial, proprietary, or financial interest in the products or companies described in this article. This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License () which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. THE KOREAN JOURNAL of ORTHODONTICS Case Report pISSN 2234-7518 • eISSN 2005-372X
Hong et al Orthodontic treatment of gummy smile by maxillary total intrusion 148 INTRODUCTION In 1983, Creekmore and Eklund 1 reported using a metal implant to correct a deep overbite. They placed

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