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Restoration of an alveolar bone defect caused by an ankylosed mandibular molar by root movement of the adjacent tooth with miniscrew implants

Authors
 Kee-Joon Lee  ;  Euk Joo  ;  Hyung-Seog Yu  ;  Young-Chel Park 
Citation
 AMERICAN JOURNAL OF ORTHODONTICS AND DENTOFACIAL ORTHOPEDICS, Vol.136(3) : 440-449, 2009 
Journal Title
AMERICAN JOURNAL OF ORTHODONTICS AND DENTOFACIAL ORTHOPEDICS
ISSN
 0889-5406 
Issue Date
2009
MeSH
Adolescent ; Alveolar Bone Loss/therapy* ; Bicuspid/pathology* ; Dental Implants* ; Female ; Humans ; Molar/pathology* ; Orthodontic Anchorage Procedures/instrumentation* ; Orthodontic Appliance Design ; Orthodontic Retainers ; Orthodontic Space Closure/instrumentation ; Orthodontic Space Closure/methods ; Orthodontic Wires ; Osteoblasts/pathology ; Periodontal Ligament/pathology ; Tooth Ankylosis/therapy* ; Tooth Extraction ; Tooth Movement Techniques/instrumentation ; Tooth Movement Techniques/methods* ; Tooth Root/pathology* ; Tooth, Impacted/therapy ; Tooth, Unerupted/therapy
Abstract
Ankylosis of a tooth is a pathologic condition commonly manifested by infraocclusion and vertical alveolar bone defect of the involved tooth. Extraction is often indicated in patients with severe tipping of adjacent teeth and serious infraocclusion, rather than attempting orthodontic repositioning. However, the residual alveolar bone defect after extraction must be restored adequately to establish sound dentition with a healthy periodontium. The bone-forming potential of sound periodontal ligament cells of the adjacent teeth can be used to restore the bone defect, through precisely controlled mesial movement of the root of the tilted molar. In this case report, a successful mesial root movement of the mandibular second molar is shown by the combined use of a conventional uprighting spring and orthodontic miniscrew implants in the mandibular premolar area. Adequate occlusion and periodontal health were restored in a 15-year-old girl with the typical sequela of an ankylosed molar.
Full Text
http://www.sciencedirect.com/science/article/pii/S0889540609004752
DOI
10.1016/j.ajodo.2007.05.028
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Orthodontics (교정과학교실) > 1. Journal Papers
Yonsei Authors
Park, Young Chel(박영철)
Yu, Hyung Seog(유형석) ORCID logo https://orcid.org/0000-0002-1275-5078
Lee, Kee Joon(이기준) ORCID logo https://orcid.org/0000-0002-0782-3128
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/104183
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