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Palatal Bone Density in Adult Subjects: Implications for Mini-implant Placement

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Authors
Moon, Sung Hee; Park, Sun Hyung; Lim, Won Hee; Chun, Youn Sic
Issue Date
2010-01
Publisher
E.H Angle Education and Research Foundation
Citation
Angle Orthod. 2010;80:137–144
Keywords
Bone densityPalateMini-implant
Abstract
Objectives: To evaluate palatal bone density to allow for better selection of palatal implant anchorage sites. Materials and Methods: Computed tomographic (CT) images were obtained from 15 males and 15 females (mean age, 27 years; range, 23-35 years). Bone density was measured in Hounsfield units (HU) at 80 coordinates at regular mediolateral and anteroposterior intervals along the midpalatal suture. Results: Bone densities ranged from 805 to 1247 HU. A significant difference between male and female groups was noted, although no difference was found between left and right sides of individual palates. Palatal bone densities showed a tendency to decrease laterally and posteriorly. The midpalatal area within 3 mm of the midsagittal suture had the densest bone in the entire palate. Conclusion: Results suggest that mini-implants for orthodontic anchorage may be effectively placed in most areas with bone density equivalent to the palatal area if they are placed from 3 mm posterior to the incisive foramen and 1 to 5 mm to the paramedian side.
ISSN
0003-3219
Language
English
URI
https://hdl.handle.net/10371/74160
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College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dentistry (치의학과)Journal Papers (저널논문_치의학과)
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