Inter J Stomatol ›› 2012, Vol. 39 ›› Issue (6): 730-732.doi: 10.3969/j.issn.1673-5749.2012.06.008

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Orthodontic study of the mandibular mesial-horizontal impacted third molar

Jiang Shitong1, Liu Jun2, Chen Yuchang2, Wang Zuojun3, Ma Deqing1, Jiao Guangjun1, Jiang Liangkun1.     

  1. 1. Dept. of Orthodontics, Donggang District People’s Hospital of Rizhao City in Shandong, Rizhao 276800, China; 2. Dept. of Stomatology, Hospital of Laiwu Steel Group Limited Company in Shandong, Laiwu 271126, China; 3. Dept. of Stomatology, The People’s Hospital of Linyi City in Shandong, Linyi 276000, China
  • Received:2011-12-28 Revised:2012-08-09 Online:2012-11-01 Published:2012-11-01

Abstract:

Objective To explore the orthodontic method for preserving and making use of the mandibular mesial-horizontal impacted third molar. Methods An orthoaxis device on the occlusal plane and the distal plane of the molar was self-developed. And accompanied by a mandibular fixed appliance, it was used for the orthodontic treatment of the mandibular mesial-horizontal impacted third molar. Results 11 mandibular mesial-horizontal impacted third molars in 10 patients were treated with the self-developed device for 17 to 26 months. All of them were well erected and stabilized. And a satisfied overbite and overjet relationship was established. Conclusion Use of the orthoaxis device developed by us could rapidly, safely and efficiently accomplish the orthodontic treatment of the mandibular mesial-horizontal impacted third molar.

Key words: mandibular mesial-horizontal impacted third molar, fixed orthodontics, molar orthoaxis


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